SPI激光器

SPI Lasers UK Limited SPI Lasers UK Limited

Product Manual Product Manual

50000W W W CW/Modulated CW/Modulated CW/Modulated

RS Version RS Version

19” 19” R R ack ack M M ountable ountable F iber iber L L asers asers

WARNING

WARNING

WARNING

WARNING:: If the Fiber Laser described in this Product Manual is used in a

manner not specified by SPI Lasers UK Ltd, the protection provided by the

equipment may be impaired.

CAUTION

CAUTION::Use of controls or adjustments or performance of procedures

other than those specified herein may result in hazardous radiation

exposure.

The definition of “Produ

The definition of “Product” as used herein means the item that was procured from SPI

ct” as used herein means the item that was procured from SPI Lasers UK Limited.

Lasers UK Limited.

The Product is sold ready for use for its intended purpose as a laser product for incorporation.

incorporation.

ATTEMPTS TO MODIFY OR ALTER THE PRODUCT:

ATTEMPTS TO MODIFY OR ALTER THE PRODUCT:

?MAY BE UNSAFE

MAY BE UNSAFE

?WILL INVALIDATE THE WARR

WILL INVALIDATE THE WARRANTY

ANTY

ANTY

?MAY RESULT IN PATENT INFRINGEMENT

MAY RESULT IN PATENT INFRINGEMENT

You are not authorised to modify the specification of the Product.

You are not authorised to modify the specification of the Product.

This product carries no license by IMRA America, Inc. for pulsed operation less than 100ps.

100ps.

Prior to importing into the United States

of America, G

America, Germany, or Japan, please verify

ermany, or Japan, please verify

th that United States patent no. US 5,818,630 is identified on a label attached to the e Product.

Product. Please contact your sales representative if United States patent no. US 5,818,630 is NOT identified on a label attached to the Prod

5,818,630 is NOT identified on a label attached to the Product.

uct.

uct.

An example of the label is as shown below:

An example of the label is as shown below:

Laser Safety

Laser Safety ––Hazard Information

Hazard Information

DANGER:

DANGER: The Fibre Laser described in this Product Manual carries a Class

4 Laser rating and emits invisible laser radiation in the region of 1050-

1250nm that is invisible to the human eye.

The maximum output power in the event of a single fault condition can be

up to 700W. Additionally, the product contains embedded laser devices

that emit invisible radiation in the region of 900-1000nm. Under no

circumstances should the laser casing be opened unless by SPI approved

service personnel.

AVOID EYE OR SKIN EXPOSURE TO DIRECT OR SCATTERED RADIATION.

Contact with direct or

scattered laser radiation can cause damage to the eyes, burn human tissue and start fires.

CAUTION

CAUTION:

: The visible pilot laser described in this Product Manual carries a Class 3R laser rating and emits visible laser radiation in the region of 630-

680nm with an output power up to 1mW.

This Laser may emit powers of up to 5mW under a single fault condition.

AVOID DIRECT EYE EXPOSURE.

DANGER:

DANGER: Before carrying out any of the maintenance tasks detailed in this

Manual, ensure that power to the Fibre Laser is disconnected. Failure to do

so may lead to serious personal injury or death.

CAUTION

CAUTION::The protective cap attached to the beam delivery optic is

intended to protect the output optics from contamination during shipping

and when the laser is not in use for extended periods. It SHOULD NOT be

treated as a beam stop. Operating the laser with the end cap in place may

result in damage to the laser equipment or cause personal injury if

physical contact is made while hot.

Ensure that operators are fully aware of all safety implications identified

Ensure that operators are fully aware of all safety implications identified in the Safety Section of

in the Safety Section of this Manual before attempting to install, operate or maintain the unit.

this Manual before attempting to install, operate or maintain the unit.

TERMS

There are certain terms referred to in this document and referenced to product labels.

DANGER

DANGER:: Describes hazards that could directly or indirectly lead to serious

personal injury or death.

WARNING:

WARNING: Describes hazards or practices that could directly or indirectly

lead to serious personal injury or death.

CAUTION

CAUTION::Describes hazards or practices that could lead to minor

personal injury or product damage.

Table of Contents Table of Contents

1.0 Health and Safety Health and Safety .................................................................................................................................................................................................................................................................................................... 9 1.1 Designated Use of the La Designated Use of the Laser Device ser Device ser Device ................................................................................................................................................................................................. 1010 1.2 Hazards Hazards ............................................................................................................................................................................................................................................................................................................................... 1111 1.3 Protective Eyewear Protective Eyewear ............................................................................................................................................................................................................................................................................... 1212 1.4

Compl Compliance iance iance .............................................................................................................................................................................................................................................................................................................

1313 1.4.1 Laser Safety Laser Safety ........................................................................................................................................................................................................................................................................................................................ 1313 1.4.2 Safety Related Control Circuitry Safety Related Control Circuitry .............................................................................................................................................................................................. 1414 1.4.3 EMC EMC ......................................................................................................................................................................................................................................................................................................................... 1414 1.4.4 Electrical Safety Electrical Safety ...................................................................................................................................................................................................................................................................... 1515 1.4.5 RoHS Directive RoHS Directive ......................................................................................................................................................................................................................................................................... 1515 1.4.6 WEEE Directive WEEE Directive ............................................................................................................................................................................................................................................................................................................ 1515 1.5 Safety Features Safety Features ..............................................................................................................................................................................................................................................................................................

1616 1.5.1 Safety Interlocks Safety Interlocks .................................................................................................................................................................................................................................................................................................. 1717 1.5.2 Front Panel / Remote Key Front Panel / Remote Key--Switch Control Switch Control ................................................................................................................................................. 1717 1.5.3 Thermal Protection Thermal Protection .......................................................................................................................................................................................................................................................................................

1818 1.6 Product Labelling Product Labelling -- Safety a Safety and Compliance nd Compliance nd Compliance ................................................................................................................................................................ 1919 2.0 General Information General Information .................................................................................................................................................................................................................................................................................. 2222 2.1 Introduction Introduction .......................................................................................................................................................................................................................................................................................................... 2222 2.2 Trade Marks Trade Marks .......................................................................................................................................................................................................................................................................................................... 2222 2.3 Warranties Warranties ................................................................................................................................................................................................................................................................................................................... 2222 2.4 Unpacking and Inspection Unpacking and Inspection.............................................................................................................................................................................................................................................................................. 2323 3.0 General Product Description General Product Description .............................................................................................................................................................................................................................................. 2424 3.1 Product Variants Product Variants ........................................................................................................................................................................................................................................................................................ 2424 4.0 Connections and Indicators Connections and Indicators ................................................................................................................................................................................................................................................. 2525 4.1 Electrical Connections Electrical Connections................................................................................................................................................................................................................................................................................................ 2525 4.2 Power Supply Requirements and Connections Power Supply Requirements and Connections ....................................................................................................................................................

2626 4.2.1 Mains Wir Mains Wiring Connections to the Equipment ing Connections to the Equipment ing Connections to the Equipment ..................................................................................................................................... 2727 4.3

Control and Communication Interfaces Control and Communication Interfaces ..................................................................................................................................................................................

3030 4.3.1 Rear Panel Connections Rear Panel Connections .................................................................................................................................................................................................................................. 3030 4.3.2 Rear Panel Interlock Connector Rear Panel Interlock Connector ................................................................................................................................................................................................................................. 3131 4.3.3 Rear Panel Remote Key Rear Panel Remote Key--Switch Connector Switch Connector ................................................................................................................................................................................. 3232 4.3.4 Analog Input and Output Interface Specifications Analog Input and Output Interface Specifications ............................................................................................................. 3333 4.3.5 External Modulation Input External Modulation Input ...................................................................................................................................................................................................................... 3636 4.3.6 RS232 Communications RS232 Communications .................................................................................................................................................................................................................................................................. 3737 4.3.7 Front Panel LEDs Front Panel LEDs ................................................................................................................................................................................................................................................................ 3838 4.3.8 QBH Proximity Detector Contacts QBH Proximity Detector Contacts ..................................................................................................................................................................................... 3939 4.4

Safety Related Control Circuitry Safety Related Control Circuitry ...................................................................................................................................................................................................................

4040

4.4.1 Fault Exclusions Fault Exclusions .................................................................................................................................................................................................................................................................. 4040 4.4.2 Deviations Deviations .............................................................................................................................................................................................................................................................................................. 4040 4.4.3 Interface Description Interface Description .............................................................................................................................................................................................................................................. 4040 4.4.4 Internal Architecture Internal Architecture .............................................................................................................................................................................................................................................. 4141 4.4.5 Response Time Response Time ......................................................................................................................................................................................................................................................................... 4141 4.4.6 Operating Limits and Environmental Conditions Operating Limits and Environmental Conditions ................................................................................................................... 4141 4.4.7 Muting and Suspension Muting and Suspension .................................................................................................................................................................................................................................. 4141 4.4.8 Control Modes Control Modes............................................................................................................................................................................................................................................................................................................ 4141 4.4.9 Troubleshooting Troubleshooting ..................................................................................................................................................................................................................................................................................................

4141 5.0 Installation Installation ............................................................................................................................................................................................................................................................................................................................ 4343 5.1 Laser Safety Provisions During Installation Laser Safety Provisions During Installation .................................................................................................................................................................. 4343 5.2 General Installation and Cooling Requirements General Installation and Cooling Requirements .............................................................................................................................................. 4444 5.3 QBH Beam QBH Beam Delivery System: Installation Delivery System: Installation Delivery System: Installation.................................................................................................................................................................................................................. 4545 5.4 Water Cooling: Connection to the Laser Water Cooling: Connection to the Laser ............................................................................................................................................................................... 4848 5.5 Water Cooler: Disconnection from the Laser Water Cooler: Disconnection from the Laser ............................................................................................................................................................................................. 4949 6.0 Operating Instructions Operating Instructions ......................................................................................................................................................................................................................................................................................................... 5050 6.1 Operational Mode Summary Operational Mode Summary ..................................................................................................................................................................................................................................... 5050 6.2

Signal Connections Signal Connections -- Internal (RS232) Control Internal (RS232) Control .................................................................................................................................................

5252 6.2.1 Inputs Inputs ................................................................................................................................................................................................................................................................................................................ 5252 6.2.2 Signal Connections Signal Connections –– External I External I--O Interface Control O Interface Control .................................................................................................................................... 5353 6.2.3 Inputs Inputs ................................................................................................................................................................................................................................................................................................................ 5353 6.2.4 Analog Outputs Analog Outputs ...................................................................................................................................................................................................................................................................... 5454 6.2.5 Digital Outputs Digital Outputs......................................................................................................................................................................................................................................................................................................... 5555 6.2.6 Pilot Laser Operation Pilot Laser Operation .............................................................................................................................................................................................................................................. 5656 6.2.7 System Calibration System Calibration .......................................................................................................................................................................................................................................................

5757 7.0 Operation Procedure Operation Procedure ............................................................................................................................................................................................................................................................................... 5858 7.1 Start Up Sequence Start Up Sequence ............................................................................................................................................................................................................................................................................... 5858 7.2 Turn Off Sequence Turn Off Sequence ............................................................................................................................................................................................................................................................................... 6161 8.0 System Alarms System Alarms ............................................................................................................................................................................................................................................................................................................................................. 6262 8.1 Conditional Reset of Output Power Alarms Conditional Reset of Output Power Alarms .................................................................................................................................................................. 6363 9.0 RS232 Communications RS232 Communications .................................................................................................................................................................................................................................................................................................. 6464 9.1 GUI (Graphical User Interface)GUI (Graphical User Interface) ............................................................................................................................................................................................................................ 6464 10.0 System Operating Specifications System Operating Specifications ............................................................................................................................................................................................................................ 6565 10.1 Op Operating Conditions erating Conditions erating Conditions ................................................................................................................................................................................................................................................................ 6565 10.2 Non Non--Operating Conditions Operating Conditions ........................................................................................................................................................................................................................................ 6666 10.3 Utilities Utilities .................................................................................................................................................................................................................................................................................................................................................................. 6666 10.4 External Chiller Unit Requirements: Laser System External Chiller Unit Requirements: Laser System ..................................................................................................................................... 6767 10.5

External Chiller Unit Requirements: QBH Beam Delivery Optic External Chiller Unit Requirements: QBH Beam Delivery Optic (6868)

10.6 Laser System Specifications Laser System Specifications ..................................................................................................................................................................................................................................... 6969 10.7 Single Fault Ratings Single Fault Ratings ......................................................................................................................................................................................................................................................................... 7070 10.8 Optical Output Interface Specifications Optical Output Interface Specifications –– QBH Beam D QBH Beam Delivery Optic elivery Optic elivery Optic ....................................................................................... 7070 11.0 Mechanical Specifications Mechanical Specifications ..........................................................................................................................................................................................................................................................

7171 11.1 Fiber Laser Enclosure Fiber Laser Enclosure .................................................................................................................................................................................................................................................................. 7171 11.2 Optical Output Interface Optical Output Interface –– QBH Beam Delivery Optic QBH Beam Delivery Optic ......................................................................................................................................................... 7373 12.0 Maintenance Maintenance ......................................................................................................................................................................................................................................................................................................................................................

7474 12.1 Inspecting the QBH Connecto Inspecting the QBH Connector for Contamination and Damage r for Contamination and Damage r for Contamination and Damage ...................................................................... 7575 12.2 Cleaning the QBH Connector Quartz Block Cleaning the QBH Connector Quartz Block .................................................................................................................................................................. 7676 12.3 General Cleaning General Cleaning ..................................................................................................................................................................................................................................................................................... 7979 12.4 Safety Related Control Circuitry Safety Related Control Circuitry ................................................................................................................................................................................................................... 7979 13.0 Customer Service Customer Service ..............................................................................................................................................................................................................................................................................................

8080 13.1 Contact Inform Contact Information ation ation ......................................................................................................................................................................................................................................................................

8181

List of Tables List of Tables

Table 1.5: Safety Features Table 1.5: Safety Features ........................................................................................................................................................................................................................................................................................................................... 1616 Table 1.5.3: BDO Thermal sensor activatio Table 1.5.3: BDO Thermal sensor activation and reset temperatures n and reset temperatures n and reset temperatures ........................................................................................... 1818 Table 4.1: Electrical Connection Check List Table 4.1: Electrical Connection Check List ............................................................................................................................................................................................................. 2525 Table 4.2: Maximum Continuous Supply Current Rating Table 4.2: Maximum Continuous Supply Current Rating .................................................................................................................................................................................... 2626 Table 4.3.1: Rear panel control interface connections Table 4.3.1: Rear panel control interface connections ............................................................................................................................................................. 3030 Table 4.3.2 Interlock Connector Pin Designation Table 4.3.2 Interlock Connector Pin Designation ..................................................................................................................................................................................................................... 3131 Table 4.3.3: Remote Key Control Pin Designations Table 4.3.3: Remote Key Control Pin Designations ............................................................................................................................................................................ 3232 Table 4.3.4(i): Analog I/O Port Impedance Valu Table 4.3.4(i): Analog I/O Port Impedance Values es es ............................................................................................................................................................................... 3333 Table 4.3.4(ii): Analog I/O Port Pin Diagrams Table 4.3.4(ii): Analog I/O Port Pin Diagrams .................................................................................................................................................................................................... 3434 Table 4.3.4(ii): Analog I/O Port Pin Diagrams Table 4.3.4(ii): Analog I/O Port Pin Diagrams -- continued continued ........................................................................................................................................... 3535 Table 4.3.5(i): TTL Signal Levels Table 4.3.5(i): TTL Signal Levels ................................................................................................................................................................................................................................................................................................ 3636 Table 4.3.5(ii): Modulation Input Connector Pin Designation Table 4.3.5(ii): Modulation Input Connector Pin Designation ............................................................................................................................... 3636 Table 4.3.6(i): RS232 Pi Table 4.3.6(i): RS232 Pin Designations n Designations n Designations .................................................................................................................................................................................................................................. 3737 Table 4.3.6(ii): RS232 Communications Protocol Table 4.3.6(ii): RS232 Communications Protocol ..................................................................................................................................................................................... 3737 Table 4.3.7: LED Status Table 4.3.7: LED Status ....................................................................................................................................................................................................................................................................................................................................... 3838 Table 4.3.8: QBH Proximity Detector Contact Designations Table 4.3.8: QBH Proximity Detector Contact Designations ..................................................................................................................................... 3939 Table 7.1: Operational Mode Summary Table 7.1: Operational Mode Summary.................................................................................................................................................................................................................................................................. 5959 Table 8.0 Controller Status Monitor Table 8.0 Controller Status Monitor ........................................................................................................................................................................................................................................... 6262 Table 10.1: Operating Conditions Table 10.1: Operating Conditions ....................................................................................................................................................................................................................................................... 6565 Table 10.2: Non Table 10.2: Non--Operating Conditions Operating Conditions ............................................................................................................................................................................................................................... 6666 Table 10.3: Utilities Table 10.3: Utilities ...................................................................................................................................................................................................................................................................................................................... 6666 Table 10.4: External Chiller Unit Requirements Table 10.4: External Chiller Unit Requirements –– Laser System Laser System ...................................................................................................................... 6767 Table 10.5: External Chiller Unit Requirements Table 10.5: External Chiller Unit Requirements –– QBH Beam Delivery optic QBH Beam Delivery optic ................................................................ 6868 Table 10.6: Laser System Specifications Table 10.6: Laser System Specifications ............................................................................................................................................................................................................................ 6969 Table 10.7: Single Fault Ratings Table 10.7: Single Fault Ratings ................................................................................................................................................................................................................................................................................................ 7070 Table 10.8: Beam Delivery Specifications Table 10.8: Beam Delivery Specifications ...................................................................................................................................................................................................................... 7070 Table 11.1: Mechanical Specifications Table 11.1: Mechanical Specifications ..................................................................................................................................................................................................................................... 7171 Table 11.2: Mechanical Specifications Table 11.2: Mechanical Specifications –– Beam Delivery System Beam Delivery System ...................................................................................................................... 7373 Table 13.1: Contact Information Table 13.1: Contact Information . (8181)

List of Figures List of Figures

Figure 1.6.1: Safety and Compliance Labels Figure 1.6.1: Safety and Compliance Labels .......................................................................................................................................................................................................... 1919 Figure 1.6.1: Safety and Compliance Labels Figure 1.6.1: Safety and Compliance Labels -- Continued Continued ................................................................................................................................................................................. 2020 Figure 1.6.2: Additional Labels Figure 1.6.2: Additional Labels –– General General ...................................................................................................................................................................................................................... 2121 Figure 4.2.1: Power Supply Cable Preparation Diagram Figure 4.2.1: Power Supply Cable Preparation Diagram ....................................................................................................................................................... 2727 Figure 4.2.3: Electrical Connection Points (UK wiring colours displayed)Figure 4.2.3: Electrical Connection Points (UK wiring colours displayed) ............................................................................................................ 2929 Figure 4.3.2: Remote Interlock Connector Pin Diagram Figure 4.3.2: Remote Interlock Connector Pin Diagram ....................................................................................................................................................... 3131 Figure 4.3.3: Remote Key Control Pin Diagram Figure 4.3.3: Remote Key Control Pin Diagram .............................................................................................................................................................................................. 3232 Figure 4.3.4: Figure 4.3.4: Analog Analog Analog I/O Port 25I/O Port 25I/O Port 25-- Pin Numbering Pin Numbering ............................................................................................................................................................................... 3333 Figure 4.3.7: Front Panel LEDs Figure 4.3.7: Front Panel LEDs ...................................................................................................................................................................................................................................................................... 3838 Figure 4.3.8: QBH Proximity Detector Contacts Figure 4.3.8: QBH Proximity Detector Contacts ........................................................................................................................................................................................... 3939 Figure 4.4.3: Figure 4.4.3: Safety Circuit Conn Safety Circuit Conn Safety Circuit Connection Requirements ection Requirements ection Requirements ............................................................................................................................................................. 4040 Figure 5.3.1: Water Cooling: QBH BDO Connections Figure 5.3.1: Water Cooling: QBH BDO Connections ...................................................................................................................................................................... 4545 Figure 5.3.2: QBH Protection Cap Removal Figure 5.3.2: QBH Protection Cap Removal ................................................................................................................................................................................................................ 4545 Figure 5.3.3: Installing the QBH Connector Figure 5.3.3: Installing the QBH Connector ............................................................................................................................................................................................................. 4646 Figure 5.4: Water Cooler: Laser Connections Figure 5.4: Water Cooler: Laser Connections ....................................................................................................................................................................................................... 4848 Figure 6.1(i) CW Operation Figure 6.1(i) CW Operation........................................................................................................................................................................................................................................................................................................................ 5050 Figure 6.1(ii) Modulated Operation Figure 6.1(ii) Modulated Operation ................................................................................................................................................................................................................................................. 5151 Figure 6.2.1: Minimum Connection Require Figure 6.2.1: Minimum Connection Requirements for RS232 Operation ments for RS232 Operation ments for RS232 Operation ............................................................................... 5252 Figure 6.2.3: Minimum Connection Requirements for External Analog Operation Figure 6.2.3: Minimum Connection Requirements for External Analog Operation ............................................ 5353 Figure 6.2.5.(i) : O Figure 6.2.5.(i) : Open Collector Connections for an Inductive Load pen Collector Connections for an Inductive Load pen Collector Connections for an Inductive Load .............................................................................................. 5555 Figure 6.2.5.(ii) : Open Collector Connections for an A/D Interface Figure 6.2.5.(ii) : Open Collector Connections for an A/D Interface ................................................................................................. 5656 Figure Figure 10.1: Environmental Conditions for Non 10.1: Environmental Conditions for Non--Condensing Operation Condensing Operation ............................................................................ 6565 Figure 10.4: Nominal pressure drop as a function of flow rate Figure 10.4: Nominal pressure drop as a function of flow rate ...................................................................................................................... 6767 Figure 11.1.1: Outline Drawing Figure 11.1.1: Outline Drawing –– Fiber Laser System Fiber Laser System .................................................................................................................................................................. 7171 Figure 11.1.2 Rear Panel Detail Figure 11.1.2 Rear Panel Detail .................................................................................................................................................................................................................................................................. 7272 Figure 11.2: Outline Drawing Figure 11.2: Outline Drawing –– QBH Be QBH Beam Delivery Optic am Delivery Optic am Delivery Optic .............................................................................................................................................. 7373 Figure 12.1: Examples of Surface Contamination Figure 12.1: Examples of Surface Contamination .................................................................................................................................................................................. 7575 Figure 12.2.1: Removing the QBH Protection Cap and Protec Figure 12.2.1: Removing the QBH Protection Cap and Protection Tube tion Tube tion Tube .................................................................................. 7676 Figure 12.2.2: Always store the protection cap with the open end facing down Figure 12.2.2: Always store the protection cap with the open end facing down .................................................. 7777 Figure 12.2.3: Lens Cleaning Paper Figure 12.2.3: Lens Cleaning Paper ................................................................................................................................................................................................................................................. 7777 Figure 12.2.4: Placing lens cleaning paper on top of the quartz block Figure 12.2.4: Placing lens cleaning paper on top of the quartz block ..................................................................................................................... 7777 Figure 12.2.5: Wetting the lens paper Figure 12.2.5: Wetting the lens paper ..................................................................................................................................................................................................................................... 7878 Figure 12.2.6: Cleaning the quartz block Figure 12.2.6: Cleaning the quartz block ...................................................................................................................................................................................................................... 7878 Figure 12.2.7: Replace the protection tube Figure 12.2.7: Replace the protection tube . (7878)

nd Safety ty ty

Health a a nd Safe

1.0Health

The following section details all health and safety issues regarding the safe installation, operation and maintenance of the lasers described in this product manual. Also included are details regarding both laser and EMC/Electrical Safety compliance where applicable.

other than those specified herein may result in hazardous radiation

exposure.

Designated Use of the Laser Device

1.1Designated Use of the Laser Device

The laser device has been designed exclusively for processing:

?solid metals, including metal alloys and metal powders

?ceramics in both solid and powder form

?plastics

?composite materials

Operating the device within the limits of its designated use requires the user to: ?observe the instructions set out in this operating manual

?install and use the laser device in compliance with international, national and local regulations regarding laser safety, for example IEC/EN 60825-1 and 21 CFR 1040.10 ?wire and connect the electrical lines to the laser device in compliance with international, national and local regulations regarding electromagnetic compatibility (EMC), for example the relevant sections of EN61000 and FCC CFR47

?not move the laser when it is switched on (except the output connector may be moved provided that the bending limits of the cable are observed)

?carry out necessary inspection and maintenance work

The laser is not intended:

?for processing in connection with flammable or explosive materials (example: containers filled with flammable or explosive materials)

?for use in an explosion prone environment

The manufacturer cannot be held liable for any damage resulting from such use. The risk lies entirely with the user.

1.2

Hazards Hazards

Laser Laser

The Fibre Laser described in this Product Manual carries a Class 4 Laser rating and emits both

invisible laser radiation up to approximately 500W CW (700W CW rated for single fault event) in the region of 1050-1250nm that is invisible to the human eye, and visible radiation of <1mW (Class 3R <5mW for a single fault event) in the region of 630-680nm. Additionally, the product contains embedded laser devices that emit invisible radiation in the region of 900-1000nm up to approximately 850W CW (1kW CW rated for single fault event). Contact with direct or scattered laser radiation can cause damage to the eyes, burn human tissue and start fires. AVOID EYE OR SKIN EXPOSURE TO DIRECT OR SCATTERED RADIATION.

exposur NOTE: Where there is potential for exposure the e to radiation above the Maximum Permitted

(IE Exposure limit (IEC/EN 60825C/EN 60825--1) the end user is advised to complete a documented risk assessment before operating the laser.assessment before operating the laser.

Materials Processing

Materials Processing Materials Processing can generate vapour, fumes, solid particulates and other air contaminants that may irritate, be toxic, or even fatal. It is the responsibility of the end user to ensure that all relevant safety precautions are followed and that any legal requirements are adhered to in accordance with local legislation. It is advised that Material Safety Data Sheets (MSDS) for any material to be processed are evaluated and that adequate measures for fume extraction and venting are considered.

CAUTION CAUTION: : The output of the laser is not optically isolated. The laser has

been designed to withstand typical levels of back-reflections from material processing applications but strong back-reflections from highly reflecting surfaces can degrade the laser performance or damage the optical system.

Other Hazards Other Hazards

In addition to the hazards described above, the user should be aware of the following additional hazards that may be present when attempting to install, operate or maintain this equipment. The user is advised to enclose the beam path wherever possible. The use of other optical equipment not supplied with, or intended for use with, this product may lead to an increased risk of personal injury due to exposure to optical radiation (for example equipment to focus the beam). The user should be aware of the increased risk of exposure to radiation and personal injury if there is a failure to use appropriate and proper eye protection (see Section 1.3) and a failure to adhere to and follow appropriate laser safety procedures. Any modification to the Fibre Laser, such as defeating or removing interlocks, housings or panels should not be attempted other than those described within the routine operation and maintenance requirements as set out in this Product Manual.

1.3

Protective Eyewear Protective Eyewear

WARNING:WARNING: In circumstances where

the laser beam path is exposed

protective eyewear must be worn to prevent accidental exposure to laser radiation. Based on the product specification detailed in this manual, the following ratings are advised for protective eyewear in accordance with the European Standard for Personal Eye Protection EN 207:2009:

Wavelength Range

1050-1250nm

CW Mode

D LB8 Modulated Mode I LB8

Wavelength Range 400-700nm Alignment Goggles RB1 (EN 208:2009)

It is a requirement of the European Laser Safety Standard (IEC 60825-14) and the US Laser Safety Standard (ANSI Z136.1) that a Laser Safety Officer (LSO) is appointed when operating Class 3B and Class 4 lasers.

The information provided above is for guidance only and your determin local LSO should be consulted to determine e the correct level of protective eyewear for your installation. protective eyewear for your installation.

Ensure that you select protective eyewear according to the laws, regulations and requirements applicable to your local geographical region. Contact the appropriate national and local agencies for these requirements.

WARNING:WARNING: Any reduction in beam diameter conducted by the end user, e.g. resulting from the use of focus optics, will increase the optical density required for protective eyewear. It is the responsibility of the end user to ensure correct protection is in place.

WARNING:

WARNING: When operating in a modulation configuration, peak powers up to 5x the rated CW output power may be generated at the beginning of the pulse. Ensure that all safety eyewear is rated accordingly.

1.4 Compliance Compliance

This product is specifically designed to be an OEM laser product for incorporation or integration

into other equipment. It is CE marked and is compliant with the requirements of the Low Voltage Directive, 2006/95/EC, and the EMC Directive 2004/108/EC if used and installed according to the recommendations in this document. It is the responsibility of the laser integrator to meet all of the regulatory requirements for the full system.

contex “Laser integrator” in this context t is meant to include any person that integrates the laser into their equipment, or any person who uses the laser in the form as supplied by SPI.

1.4.1 Laser Safety Laser Safety

This product is a Class 4 laser.

The product is specifically designed to be an OEM laser product for incorporation or integration into other equipment. As such, it DOES NOT MEET the full requirements for a stand-alone laser system as defined by 21 CFR 1040.10 and IEC/EN 60825-1. In particular:

? If not incorporated into a Class 1 enclosure or environment, the laser integrator is required to provide an emission indicator at the laser aperture (section 4.7.3 of IEC/EN 60825-1). ?

If not incorporated into a Class 1 enclosure or environment, the laser integrator is required to incorporate one or more permanently attached means of attenuation (e.g. beam stop, attenuator or switch). The beam stop or attenuator shall be capable of preventing human access to laser radiation in excess of the AEL for Class 1M (section 4.8 of IEC/EN 60825-1).

Within the EU, the equipment is supplied with a Declaration of Conformity indicating the harmonised standards with which this product conforms. Within the USA, the equipment is shipped with an appropriately completed FDA 2877 form. It is the responsibility of the laser integrator to meet all of the regulatory requirements for the full system. Nonetheless, most of the electronic and labelling requirements have been incorporated into the product to facilitate final system compliance with regulatory requirements.

Note that the visible Pilot Laser carries a Class 3R laser rating as defined by IEC/EN 60825-1. Prevent direct eye exposure to the beam. Do not direct the beam at other people or into areas where other people unconnected with the laser work may be present.

Where there is potential for exposure to radiation above the Maximum Permitted Exposure limit (IEC/EN 60825-1) the end user is advised to complete a documented risk assessment before operating the laser. If this risk assessment determines that protective eyewear should be considered then an appropriate specification for alignment eyewear is defined in section 1.3. “Laser integrator” in this context is meant to include any person that integrates the laser into their equipment, or any person who uses the laser in the form a their equipment, or any person who uses the laser in the form as supplied by SPI.s supplied by SPI.s supplied by SPI.

1.4.2Safety Related Control Circuitry

Safety Related Control Circuitry

The product is specifically designed to be an OEM laser product for incorporation or integration into other equipment. The safety related control circuitry contained within the Equipment is compliant with:

?EN ISO 13849-1:2008 part 1- Safety related parts of control systems

?Performance Level D : PL’d’

?EN 954-1:1996 - Safety related parts of control systems. General principles for design ?Category 3

Refer to section 4.4 for further details relating to the implementation of the safety related control circuitry. It is the responsibility of the laser integrator to meet all of the regulatory requirements for the full system.

“Laser integrator” in this context is meant to include any person that integrates the laser into their equipment, or any person who uses the laser in the form as supplied by SPI.

their equipment, or any person who uses the laser in the form as supplied by SPI.

EMC

1.4.3EMC

This equipment is specifically designed to be an OEM laser product for incorporation or integration into other equipment and is compliant with the EMC Directive 2004/108/EC when installed according to the installation instructions (section 5.0).

Within the EU, the equipment is supplied with a Declaration of Conformity against the EMC Directives. The equipment is compliant with:

?EN61000-6-1:2007 Electromagnetic compatibility (EMC) - Part 6.1: Generic standards-Immunity for residential, commercial and light-industrial environments ?EN61000-6-2:2005 Electromagnetic compatibility (EMC) - Part 6.2: Generic standards-Immunity for industrial environments

?EN61000-6-3:2007 Electromagnetic compatibility (EMC) - Part 6.3: Generic standards-Emission standard for residential, commercial and light-industrial environments ?EN61000-6-4:2007 Electromagnetic compatibility (EMC) - Part 6.4: Generic standards- Emission standard for industrial environments

?EN61000-3-2:2006 Electromagnetic compatibility (EMC) - Part 3-2: Limits - Limits for harmonic current emissions (equipment input current ≤16A per phase) ?EN61000-3-3:2008 Electromagnetic compatibility (EMC). Part 3-3: Limits - Limitation of voltage changes, voltage fluctuations and flicker in public low-voltage supply systems,

for equipment with rated current ≤ 16 A per phase and not subject to conditional

connection

In addition, the equipment is compliant with:

?FCC CFR47:Part 15, subpart B: 2002 Unintentional Radiators

It is the responsibility of the laser integrator to meet all of the regulatory requirements for the full system.

“Laser integrator” in this context is meant to include any person that integrates the laser into their equipment, or any person who uses the laser in the form as supplied by SPI.

their equipment, or any person who uses the laser in the form as supplied by SPI.

1.4.4 Electrical Safety Electrical Safety

This equipment is specifically designed to be an OEM laser product for incorporation or integration

into other equipment and is compliant with the Low Voltage Directive 2006/95/EC when installed according to the installation instructions (section 5.0).

Within the EU, the equipment is supplied with a Declaration of Conformity against the Low Voltage Directive. This equipment is compliant with:

?

IEC/EN 61010-1: 2001 Safety requirements for electrical equipment for measurement, control and laboratory use – Part 1: General Requirements

In addition, the equipment is compliant with the following National differences:

?

EU Group Differences; EU Special National Conditions; EU A-Deviations; AU; CA; KR; NZ; US

It is the responsibility of the laser integrator to meet all of the regulatory requirements for the full system.

“Laser integrator” in this context is meant to include any person that integrates the laser into their equipment, or any their equipment, or any person who uses the laser in the form as supplied by SPI.person who uses the laser in the form as supplied by SPI.person who uses the laser in the form as supplied by SPI.

1.4.5 RoHS Directive RoHS Directive

This product is RoHS compliant. Within the EU, the equipment is supplied with a Declaration of Conformity against the RoHS Directive.

1.4.6 WEEE Directive WEEE Directive

This label indicates that, at end of life this product should be separately collected from unsorted waste with a view to meeting the recovery and recycling targets specified in the appropriate national regulations implementing “Directive 2002/96/EC on waste electrical and electronic equipment (WEEE)” for a product of its class.

1.5 Safety Features Safety Features

The following safety features are incorporated within the Fibre Laser System:

Feature Feature

Location Location

D escription escription

Remote Interlock Circuit Connector

Rear Panel

Dual redundant monitored safety interlock circuit

compliant with EN954-1 category 3 and EN ISO 13849-1 PL’d’.

Dual circuit connector provided for connection to safety interlock system on customer process equipment or similar.

Key-switch recycle required to reset safety relay. Key Control

Front Panel

Enables or disables the fibre laser output when safety relay is closed.

Hardware controlled, overrides all system inputs. Key non-removable in the ON (laser enabled) position.

Remote Key Connector

Rear Panel

Connector provided at rear of unit for connection to remote key-switch.

Wired in series with the front panel key control.

Thermal Shut Down

Internal Thermal over-temperature protection switches to isolate the power supply to the laser pump diodes.

Fibre Break Sensor

Internal to Beam Delivery Optic Cable Dual redundancy based break detection circuit to detect a break in the external delivery fibre, wired in series with the hardware interlock circuit.

Delivery Optic

Thermal Shutdown

Internal to Delivery Optic

Thermal over-temperature protection switches to detect overheating in the beam delivery optic (BDO). Wired in series with the hardware interlock circuit.

BDO connection monitor

External to QBH

Connector

Proximity detection contacts are provided on the beam delivery optic which must be electrically connected when installed into a mating connector.

This is wired in series with the BDO integrity monitor circuit and must be integrated such that closure enables operation of the laser.

Status Indicators (LED) Front Panel

Series of LEDs indicating operating status of Fibre Laser. Includes Laser Emission Indicator. LED status reported on I/O to facilitate provision of remote emission indicator. Safety Labels

Unit Exterior Unit Interior

Various location and type to warn of potential hazard or danger and to provide product and supplier contact information.

Table Table 1.51.51.5: Safety Features : Safety Features : Safety Features

1.5.1 Safety Interlocks Safety Interlocks

A rear panel connection is provided for integration with a closure switch operated by the

customer’s interlock circuit. The laser interlock circuit includes a safety relay and dual redundant monitored input circuits that are compatible with the safety and integration requirements of EN954-1 Category 3 and EN ISO 13849-1 PL’d’ (refer to section 4.4).

When either pair of the terminal pins are open-circuit the Fibre Laser output will be immediately disabled and the front panel LED - ENABLED – will turn from GREEN to RED. Re-arming of the laser requires either the front panel or remote key control to be recycled. These are both hardware only based protection circuits.

1.5.2 Front Panel / Remote Key Front Panel / Remote Key--Switch Control Switch Control

There are two key controls which are connected in series, the front panel key control and the rear

panel remote key control interface. Both the front panel and the remote key controls must be in the ON ON position for the laser to recognise the key state as ON ON ON. If either key control is switched to the OFF OFF position then the laser will recognise the key state as OFF

OFF. While the system is running, the key control can be operated at any time. The front panel key cannot be removed when in the ON ON ON position.

If system power has been interrupted then either the front panel or rear panel remote key control must be reset to the OFF OFF OFF position before the Fibre Laser output can be re-enabled. Switching either key control to OFF OFF OFF will immediately disable the Fibre Laser output. Switching the key control to ON ON

ON will cause the front panel indication LED – ENABLED – to flash continuously from RED to GREEN during a preset arming delay (default value= 5 seconds) after which the ENABLED LED remains GREEN and laser output is enabled.

1.5.3 Thermal Protection Thermal Protection

For safety compliance the laser is fitted with a hardware level over temperature switch that will

shut down the laser if the internal temperature exceeds 60℃. Once activated, the unit will not be able to be reset until the internal temperature falls below 45℃. If this occurs, check the alarms condition status and notify SPI before restarting the laser.

In addition, if the laser cooling subsystem temperature exceeds a preset value the laser output may be disabled as a protection measure. It will not be possible to reset the alarm status until the subsystem temperature falls below the preset threshold. If this occurs check that the cooling water temperature and flow rate and the ambient operating temperature are within the specified limits.

Beam delivery optic Beam delivery optic

A thermal sensor is incorporated to disable the laser output if the delivery optic reaches a preset temperature. This could be caused by high ambient temperature, inadequate cooling of the BDO, or excessive levels of light reflected from the work piece. Once activated, the laser will not be able to be reset until the BDO temperature falls below the reset temperature at which point the reported alarm will need to be cleared (refer to table 1.5.3).

Beam Delivery

Option Option

Activation

Temperature Temperature

Reset

Temperature Temperature

QBH Connector

70℃ ± 7℃

55℃ ± 7℃

Table Table 1.51.51.5.3.3.3: : : BDO Thermal sensor activation BDO Thermal sensor activation BDO Thermal sensor activation and reset and reset and reset temperatures temperatures temperatures

1.6

Product Product L L abelling abelling -- S afety afety and C and C and Compliance ompliance ompliance

Component for Incorporation Component for Incorporation Class Class 44 Laser Product Laser Product

Front panel Front panel

Wavelength and output power Wavelength and output power Rear panel Rear panel

3R 3R Laser Product Laser Product for Pilot Laser for Pilot Laser Front panel Front panel

Laser Emission Laser Emission Front panel

Mains input Mains input Rear panel

Rear panel Electrical safety Electrical safety

Protective Earth Label Protective Earth Label Internal to Electrical Connection Panel Figure Figure 1.61.6..1: : Safety Safety Safety and and and C C ompliance ompliance L L abels abels

Additional Labels Additional Labels--

Safety and C

Safety and Compliance

ompliance

ompliance::

Produc

Product I.D. Label

t I.D. Label

t I.D. Label

Front and

Front and Rear panel

Rear panel

Rear panels s

Manufacturer I.D. Label

Manufacturer I.D. Label and CE Mark

and CE Mark

and CE Mark

Rear panel

Rear panel

Warning for Class 4 Radiation behind non

Warning for Class 4 Radiation behind non--

interlocked access panels

interlocked access panels

Internal

Internal

Warning for Class

Warning for Class 3R

3R

3R and Class 4 Radiation

behind non

behind non--interlocked access panels

interlocked access panels

Internal

Internal

WEEE Label

WEEE Label ––Rear Panel

Rear Panel Deionised

Deionised Water Warning

Water Warning –Rear Panel

Rear Panel

Figure

Figure 1.6

1.6.1.1.1: Safety and C

: Safety and C

: Safety and Comp

omp

ompliance

liance

liance L L abels

abels --C ontinued

ontinued

2010最新脉冲光纤激光器说明书(一体机)

脉冲光纤激光器使用说明书

安全信息 在使用该产品之前，请先阅读和了解这份用户手册并熟悉我们为您提供的信息。 这份用户手册提供了重要的产品操作，安全以及其他信息给您以及所有将来的用户作参考。为了确保操作安全和产品的最佳性能，请遵循以下注意和警告事项以及该手册的其他信息去操作。 ●锐科公司脉冲光纤激光器是IV级的激光产品。在打开24VDC电源前，要确保连 接是正确的24VDC的电源并确认正负极，错误连接电源，将会损坏激光器。 ●该激光器在1064nm波长范围内发出超过5W、10W、15W、20W、25W、30W（根 据不同激光器型号）的激光辐射。避免眼睛和皮肤接触到光输出端直接发出或散射出来的辐射。 ●不要打开机器，因为没有可供用户使用的产品零件或配件。所有保养或维修只能在 锐科公司内进行。 ●不要直接观看输出头，在操作该机器时要确保长期配戴激光安全眼镜。 安全标识及位置 上面二个安全标识符号表示有激光辐射，我们把这符号标在产品光纤盒体盖顶上。

目录 1．产品描述 (1) 1.1 产品描述 (1) 1.2实际配置清单 (1) 1.3使用环境要求及注意事项 (1) 1.4技术参数 (2) 2．安装 (3) 2.1 安装尺寸图 (3) 2.2 安装方法 (4) 3．控制接口 (5) 4．操作程序 (6) 4.1 前期检查工作 (6) 4.2 操作步骤 (6) 4.3打标过程中应注意的事项 (6) 5．质保及返修、退货流程 (7) 5.1一般保修 (7) 5.2保修的限定性 (7) 5.3服务和维修 (7)

1．产品描述 1.1 产品描述 锐科脉冲激光器是是为高速和高效的激光打标系统而专门发展的。为工业激光打标机和其它应用提供了一款理想的高功率激光能量源。 脉冲激光器相对于传统的激光器，能够对每瓦的泵浦光转换效率提高10倍以上，低能量消耗的自动设计，适合实验室或室外操作。精巧，可独立放置，可随时使用，能够直接嵌入用户的设备上。 激光器可发出1064nm波长的脉冲激光，通过工业激光器标准接口来控制，激光器需要使用24V直流供电。 1.2实际配置清单 请根据图表1参考所包括的清单。 表1 1.3使用环境要求及注意事项 脉冲激光器需使用24VDC±1V直流电。 1)注意：使用激光器时要将接地线可靠接地。 2)没有内置可供使用的零件，所有维修应由合格的锐科人员来进行，为了防止电击， 请不要损坏标签和揭开盖子，否则产品的任何损坏将不被保修。 3)激光器的输出头是与光缆相连接的,使用时请小心处理输出头，防止灰尘或其它污 染，清洁输出端透镜时请使用专用的镜头纸。激光器没有安装在系统设备上且不 出光的时候，请将光隔离器保护罩盖好以免灰尘污染。

调Q光纤激光器结构示意图和MOPA光纤激光器结构示意图.

调Q光纤激光器和普通的调Q激光器一样，都是在激光谐振腔内插入Q开关器件，通过周期性改变腔损耗，实现调Ｑ激光脉冲输出。Ｑ开关是被广泛采用的产生短脉冲的激光技术之一。 现状： 调Q光纤激光器在许多领域都有着广泛应用，大功率是调Q光纤激光器的一个发展方向。全光纤化也是调Ｑ光纤激光器发展的一个重要趋势，人们陆续研发出一些全光纤的Q开光来代替传统的声光与电光调制器，大大地降低了激光器的插入损失。 用于光纤激光器的调Ｑ技术大致可以分为光纤型调;和非光纤型调Ｑ两类。非光纤型调Ｑ有光调Ｑ、电光调Ｑ、机械转镜调Ｑ和可饱和吸收体调Ｑ等。 非光纤型调Ｑ： 1.声光调Q激光器：

2.电光调Q激光器：

3.可饱和吸收体调Q激光器： 光纤型调Q装置 光纤型调Q装置有光纤迈克尔逊干涉仪调Q、光纤马赫

一曾特尔干涉仪调Q和光纤中的受激布里渊散射（ＳＢＳ）调Ｑ光纤激光器等。下面介绍混合调Q和脉冲泵浦受激布里渊散射混合调Q光纤激光器。 混合调Q光纤激光器 如图所示 得到了峰值功率3.7KW，脉宽2m的脉冲激光输出。 实验中选用掺钕双包层光纤作增益介质，光纤长7.2m,纤芯直径5.1um,数值孔径0.12。内包层为矩形结构,截面尺寸150um*75um。 泵源为800nm、3w激光二极管，有60%的泵光祸合到内包层中。 系统由一个全反镜和一个二向色镜构成驻波谐振腔。在双包层光 纤的输出端接几米长的单模光纤,实现调Q ,得到纳秒量级的激光脉冲。在腔内插人一声光调制器(AQM),使激光脉冲重复频率在6.6KHz-16.4KHZ范围内可调。 脉冲泵浦和受激布里渊散射混合调Q : 在线形腔双包层光纤激光器中,用脉冲泵浦和SBS混合调Q 。 如图所示

光纤激光器的分类

光纤激光器的分类 光纤激光器种类很多，根据其激射机理、器件结构和输出激光特性的不同可以有多种不同的分类方式。根据目前光纤激光器技术的发展情况，其分类方式和相应的激光器类型主要有以下几种： （1）按增益介质分类为： a）晶体光纤激光器。工作物质是激光晶体光纤，主要有红宝石单晶光纤激光器和Nd3+:YAG单晶光纤激光器等。 b）非线性光学型光纤激光器。主要有受激喇曼散射光纤激光器和受激布里渊散射光纤激光器。 c）稀土类掺杂光纤激光器。向光纤中掺杂稀土类元素离子使之激活，（Nd3+、Er3+、Yb3+、Tm3+等，基质可以是石英玻璃、氟化锆玻璃、单晶）而制成光纤激光器。 d）塑料光纤激光器。向塑料光纤芯部或包层内掺入激光染料而制成光纤激光器。 （2）按谐振腔结构分类为F-P腔、环形腔、环路反射器光纤谐振腔以及“8”字形腔、DBR光纤激光器、DFB光纤激光器等。 （3）按光纤结构分类为单包层光纤激光器、双包层光纤激光器、光子晶体光纤激光器、特种光纤激光器。 （4）按输出激光特性分类为连续光纤激光器和脉冲光纤激光器，其中脉冲光纤激光器根据其脉冲形成原理又可分为调Q光纤激光器（脉冲宽度为ns量级）和锁模光纤激光器（脉冲宽度为ps或fs量级）。 （5）根据激光输出波长数目可分为单波长光纤激光器和多波长光纤激光器。 （6）根据激光输出波长的可调谐特性分为可调谐单波长激光器，可调谐多波长激光器。 （7）按激光输出波长的波段分类为S-波段（1460~1530 nm）、C-波段（1530~1565 nm）、L-波段（1565~1610 nm）。 （8）按照是否锁模，可以分为：连续光激光器和锁模激光器。通常的多波长激光器属于连续光激光器。 按照锁模器件而言，可以分为被动锁模激光器和主动锁模激光器。 其中被动锁模激光器又有: 等效/假饱和吸收体：非线性旋转锁模激光器（8字型，NOLM和NPR） 真饱和吸收体： SESAM或者纳米材料（碳纳米管或者石墨烯）。

锐科P100M V2.1脉冲光纤激光器说明书8脉宽

RFL-P100M 脉冲光纤激光器 使用说明书 武汉锐科光纤激光技术股份有限公司Wuhan Raycus Fiber Laser Technologies CO.,LTD.

安全信息 在使用该产品之前，请先阅读和了解这份用户手册并熟悉我们为您提供的信息。 这份用户手册提供了重要的产品操作，安全以及其他信息给您以及所有将来的用户作参考。为了确保操作安全和产品的最佳性能，请遵循以下注意和警告事项以及该手册的其他信息去操作。 ●锐科公司脉冲光纤激光器是IV级的激光产品。在打开24V DC电源前，要确保连接 是正确的24V DC的电源并确认正负极，错误连接电源，将会损坏激光器。 ●该激光器在1060~1085nm波长范围内发出超过100W的激光辐射。避免眼睛和皮肤 接触到光输出端直接发出或散射出来的辐射。 ●不要打开机器，因为没有可供用户使用的产品零件或配件。所有保养或维修只能在 锐科公司内进行。 ●不要直接观看输出头，在操作该机器时要确保长期配戴激光安全眼镜。 安全标识及位置 上面二个安全标识符号表示有激光辐射，我们把这符号标在产品光纤盒体盖顶上。

目录 1．产品描述 (1) 1.1.产品描述 (1) 1.2.实际配置清单 (1) 1.3.使用环境要求及注意事项 (1) 1.4.技术参数 (2) 2.安装 (3) 2.1.安装尺寸图 (3) 2.2.安装方法 (4) 3.控制接口 (5) 3.1.前期检查工作 (8) 3.2.操作步骤 (8) 3.3.打标过程中应注意的事项 (9) 4.质保及返修、退货流程 (9) 4.1.一般保修 (9) 4.2.保修的限定性 (9) 4.3.服务和维修 (10)

光纤激光器工作原理及发展

光纤激光器的工作原理及其发展前景 1 引言 光纤激光器于1963年发明，到20世纪80年代末第一批商用光纤激光器面市，经历了20多年的发展历程。光纤激光器被人们视为一种超高速光通信用放大器。光纤激光器技术在高速率大容量波分复用光纤通信系统、高精度光纤传感技术和大功率激光等方面呈现出广阔的应用前景和巨大的技术优势。光纤激光器有很多独特优点，比如：激光阈值低、高增益、良好的散热、可调谐参数多、宽的吸收和辐射以及与其他光纤设备兼容、体积小等。近年来光纤激光器的输出功率得到迅速提高。已达到10—100 kW。作为工业用激光器,现已成为输出功率最高的激光器。光纤激光器的技术研究受到世界各国的普遍重视，已成为国际学术界的热门前沿研究课题。其应用领域也已从目前最为成熟的光纤通讯网络方面迅速地向其他更为广阔的激光应用领域扩展。本文简要介绍了光纤激光器的结构、工作原理、分类、特点及其研究进展，最后对光纤激光器的发展前景进行了展望。 2 光纤激光器的结构及工作原理 2.1光纤激光器的结构 和传统的固体、气体激光器一样。光纤激光器基本也是由泵浦源、增益介质、谐振腔三个基本的要素组成。泵浦源一般采用高功率半导体激光器(LD)，增益介质为稀土掺杂光纤或普通非线性光纤，谐振腔可以由光纤光栅等光学反馈元件构成各种直线型谐振腔，也可以用耦合器构成各种环形谐振腔泵浦光经适当的光学系统耦合进入增益光纤，增益光纤在吸收泵浦光后形成粒子数反转或非线性增益并产生自发辐射所产生的自发辐射光经受激放大和谐振腔的选模作用后．最终形成稳定激光输出。图1为典型的光纤激光器的基本构型。 增益介质为掺稀土离子的光纤芯，掺杂光纤夹在2个仔细选择的反射镜之间．从而构成F—P谐振器。泵浦光束从第1个反射镜入射到稀土掺杂光纤中．激射输出光从第2个反射镜输出来。 2.2 光纤激光器的工作原理 掺稀土元素的光纤放大器促进了光纤激光器的发展，因为光纤放大器可以通过适当的反馈机理形成光纤激光器。当泵浦光通过光纤中的稀土离子时．就会被稀土离子所吸收。这时吸收光子能量的稀土原子电子就会激励到较高激射能级，从而实现离子数反转，反转后的离子数就会以辐射形式从高能级转移到基态，并且释放出能量，完成受激辐射。从激发态到基态的辐射方式有2种：自发辐射和受激辐射。其中，受激辐射是一种同频率、同相位的辐射，可

1550脉冲光纤激光器使用说明

脉冲激光器操作面板 使用说明书 使用本产品前请务必详细阅读本说明，如有疑问请及时联系我们！ 版权声明 本公司对其发行的或与合作公司共同发行的包括但不限于产品或服务的全部内容拥有版权等知识产权，受法律保护。 未经本公司书面许可，任何单位及个人不得以任何方式或理由对上述产品、服务、信息、材料的任何部分进行使用、复制、修改、抄录、传播或与其它产品捆绑使用、销售。 凡侵犯本公司版权等知识产权的，本公司必依法追究其法律责任。 特此郑重声明！ 敬告：为避免硬件误差，我们在本产品的软件中进行了参数修正，请使用对应SN编号的软件，以获得最大精确度！ 2011年7月

1背景 脉冲激光器操作面板的开发是基于为广大用户提供更为良好的用户界面，旨在为用户提供更方便更快捷的服务。编写本手册最主要的的目的，是为广大用户说明本软件的使用方法和注意事项。 2界面介绍及术语解释

3界面性能 系统上电后，上位机与下位机通过串口通信，由中断触发通信，每次通信时长不等，约200ms 至400ms间，第一次获取系统状态。对系统参数进行操作时，当光源状态刷新速度为fast 时，每个操作反馈时长不等，约200ms至800ms内，系统会有反馈。 4运行环境 硬件设备要求 本界面采用串口通信，用户端至少需要一个串口，若无串口，需将其他类型接口转换为串口。 5安装与初始化 1.双击STC_ISP_V480.exe，会出现串口调试界面，将其关闭。完成串口控件的注册！ 2.若用户使用USB端口转化为串口，还需安装driver-232文件夹下的驱动。 3.双击“M14******PFL.EXE”，即会出现脉冲激光操作面板界面。

脉冲半导体激光器驱动电源的设计

脉冲半导体激光器驱动电源的设计 作者：张琳， 马家驹， 胡文华， ZHANG Lin， MA Jia-ju， HU Wen-hua 作者单位：张琳,ZHANG Lin(华北科技学院,北京,101601)， 马家驹,胡文华,MA Jia-ju,HU Wen-hua(北京航空制造工程研究所,北京,100024) 刊名： 激光杂志 英文刊名：LASER JOURNAL 年，卷(期)：2009，30(4) 被引用次数：0次 参考文献(3条) 1.Walterr Koechner Solid-state Laser Engineering 2006 2.范贤光.孙和义.唐文彦基于FPGA技术的半导体激光器脉冲驱动电源的设计[期刊论文]-激光杂志 2007(02) 3.房晓俊激光二级管泵浦的小型固体激光技术的研究 1997 相似文献(2条) 1.期刊论文张寿棋.楼祺洪.周军.董景星.ZHANG Shou-qi.LOU Qi-hong.ZHOU Jun.DONG Jing-xing连续可调纳秒 脉冲LD驱动电源的研制-激光技术2008,32(4) 为了满足单模尾纤输出脉冲半导体激光器及其后级光放大的要求,研制了一种重频、脉宽及峰值电流均连续可调的纳秒脉冲驱动电源.该电源使用功率场效应管作为开关,通过分析其驱动特性,采用合适的栅极驱动电路,从而缩短了脉冲宽度,增加了带负载能力;同时电源中的保护电路采用自断电等保护措施,能有效保证LD的安全工作.实验结果表明,该驱动电源工作稳定,能满足单模尾纤输出脉冲LD重频、脉宽、峰值可调的要求. 2.学位论文陆晓元纳秒脉冲半导体激光器驱动电源研究2008 本文阐述纳秒脉冲半导体激光器驱动电源的研制,对元件选择电路、有源脉冲变压器、纳秒脉冲产生电路的设计进行了详细介绍。 采用了基于Marx Bank形式的纳秒脉冲生成电路来产生纳秒脉冲,其特征是采用有源脉冲变压器连接纳秒脉冲源和高速纳秒脉冲形成电路；采用有源脉冲变压器作为触发脉冲和纳秒脉冲电路的隔离电路,提高了触发脉冲电路元件寿命,保护了触发脉冲电路,纳秒脉冲产生电路的工作电压降低了20V左右；纳秒脉冲产生电路采用表面贴装元件,与插针式元件电路相比,纳秒脉冲宽带(FWHM)小于2ns、上升时间小于1ns,最高重复频率为100KHz左右。 通过对设计的纳秒脉冲半导体激光器驱动电源的输出特性进行了测量、分析,发现在一定的范围内改变高速脉冲形成电路的供电电压,输出信号的上升速度和供电电压大致呈现线性关系,脉冲的幅度值也和供电电压呈现线性关系,但是供电电压的变化和脉冲宽度并没有呈现出大致的线性关系,得出在一定范围内,通过改变电压改变了输出脉冲的幅度,以及上升速度的结论。 研究成果可用于窄脉冲LD驱动、超宽带雷达、民用测距、军事用途的隐形目标探测等领域,对国防和民用有重要价值。 本文链接：https://www.wendangku.net/doc/9e9745239.html,/Periodical_jgzz200904009.aspx 授权使用：北京信息科技大学(bjxxkjdx)，授权号：e2281f4c-ae54-421a-976c-9e3c00882328 下载时间：2010年11月28日

光纤激光器

光纤激光器 1、激光器基本结构 激光器由三部分组成：泵浦源、增益介质、谐振腔。 图 1 激光器基本结构示意图 1.1 原子能级间受激吸收与受激辐射 E 1E 2E 1 E 2受激吸收E=E 1-E 2 E 1E 1 E 2E 2 E=E 1-E 2 受激辐射 E=E 1-E 2E=E 1-E 2图2 受激吸收与受激辐射示意图 受激吸收为在能量为E 入射光子的作用下，处在低能级E 1的粒子吸收能量E 跃迁到高能级E 2的过程。 受激辐射为在入射的能量为E 的光子的作用下，处在高能级E 2的粒子受激

发，跃迁到低能级E 1，同时辐射出与入射光子E 状态相同的光子的过程。 1.2 激光产生过程 如图1，激光器由泵浦源、增益介质、谐振腔组成。增益介质为主要产生激光的工作物质。由于粒子处在低能级比处在高能级稳定，因此通常情况下，物质粒子按照玻尔兹曼分布规律分布，即高能级粒子比低能级粒子少。泵浦源为增益介质提供能量，使增益介质中的低能级粒子吸收能量，受激吸收，向高能级跃迁，使高能级处粒子数高于低能级粒子数，这种分布规律称为粒子数反转分布，使增益介质中积累了大量能量。当有高能级粒子向低能级自发跃迁并释放出光子时，大量高能级粒子在初始光子作用下受激辐射，释放出大量状态相同，即波长相同、能量相同、方向相同、偏振态的光子。这种在泵浦源与增益介质共同作用下使初始光子通过受激辐射效应放大而产生的光即为激光。 对特定波长激光全反射的输 入镜与对该波长激光部分反射的 输出镜构成光学谐振腔。谐振腔 主要有两方面作用：一是提供轴 向光波的光学正反馈；二是控制 激光震荡模式特性。由于输出镜具有部分反射率，它可以使通过增益介质放大的光一部分通过透镜射出腔外，获得我们需要的特定波长的激光，另一部分反射回谐振腔，再由于输入镜对激光具有全反率，从而使轴向光波在谐振腔中往返传播，多次通过激活介质，在腔内形成稳定的自激振荡。由于谐振腔镜只对特定波长的光镀全反射膜和部分反射膜，因此只有特定波长的光能产生自激震荡。通过设计不同形状和不同反射率的谐振腔镜，我们可获得不同模式，不同波长的激光。 图4为一个简单的固体激光器结构示意图。 图4 固体激光器结构示意图 图3 谐振腔示意图

半导体激光器

半导体激光器 摘要：由于三五族化合物工艺的发展与半导体激光器的多种优点，近几十年来，半导体激光器发展十分迅速，而且在各个领域发挥着越来越重要的作用。本文将介绍半导体激光器的基本理论原理、相关发展历程、研究现状以及其广泛的应用。 1.引言 自1962 年世界上第一台半导体激光器发明问世以来, 半导体激光器发生了巨大的变化, 极大地推动了其他科学技术的发展, 被认为是二十世纪人类最伟大的发明之一[1], 近十几年来, 半导体激光器的发展更为迅速, 已成为世界上发展最快的一门激光技术[2]。激光器的结构从同质结发展成单异质结、双异质结、量子阱（单、多量子阱）等多种形式，制作方法从扩散法发展到液相外延(LPE)、气相外延(VPE)、分子束外延(MBE)、金属有机化合物气相淀积(MOCVD)、化学束外延(CBE) 以及它们的各种结合型等多种工艺[3]。由于半导体激光器的体积小、结构简单、输入能量低、寿命较长、易于调制及价格低廉等优点, 使得它目前在各个领域中应用非常广泛。 2.半导体激光器的基本理论原理 半导体激光器又称激光二极管(LD)。它的实现并不是只是一个研究工作者的或小组的功劳，事实上，半导体激光器的基本理论也是一大批科研人员共同智慧的结晶。 早在1953年，美国的冯·纽曼（John Von Neumann）在一篇未发表的手稿中第一个论述了在半导体中产生受激发射的可能性；认为可以通过向PN结中注入少数载流子来实现受激发射；计算了在两个布里渊区之间的跃迁速率。巴丁在总结了这个理论后认为，通过各种方法扰动导带电子和价带空穴的平衡浓度，致使非平衡少数载流子复合而产生光子，其辐射复合的速率可以像放大器那样，以同样频率的电磁辐射作用来提高。这应该说是激光器的最早概念。 苏联的巴索夫等对半导体激光器做出了杰出贡献，他在1958年提出了在半导体中实现粒子数反转的理论研究，并在1961年提出将载流子注入半导体PN结中实现“注入激光器”，并论证了在高度简并的PN结中实现粒子数反转的可能性，而且认为有源区周围高密度的多数载流子造成有源区边界两边的折射率有一差值，因而产生光波导效应。1961年，伯纳德和杜拉福格利用准费米能级的概念推导出了半导体有源介质中实现粒子数反转的条件，这一条件为次年半导体激光器的研制成功提供了重要理论指导。 1960年，贝尔实验室的布莱和汤姆逊提出了用半导体的平行解理面作为产生光反馈的谐振腔，为激发光提供反馈。 回顾这些理论发展历程，可以总结半导体激光器的基本理论原理：在直接带隙半导体PN结中，用注入载流子的方法实现伯纳德—杜拉福格条件所控制的粒子数反转；由高度简并的电子和空位复合所产生的受激光辐射在光学谐振腔内震荡并得到放大，最后产生相干激光输出[4]。 3.半导体激光器发展历程 在上述理论的影响下，以及1960年产生的红宝石激光器的刺激下，美国和苏

调Q光纤激光器结构示意图和MOPA光纤激光器结构示意图审批稿

调Q光纤激光器结构示意图和M O P A光纤激光 器结构示意图 YKK standardization office【 YKK5AB- YKK08- YKK2C- YKK18】

? 调Q光纤激光器和普通的调Q激光器一样，都是在激光谐振腔内插入Q开关器件，通过周期性改变腔损耗，实现调Ｑ激光脉冲输出。Ｑ开关是被广泛采用的产生短脉冲的激光技术之一。 现状： 调Q光纤激光器在许多领域都有着广泛应用，大功率是调Q光纤激光器的一个发展方向。全光纤化也是调Ｑ光纤激光器发展的一个重要趋势，人们陆续研发出一些全光纤的Q开光来代替传统的声光与电光调制器，大大地降低了激光器的插入损失。 ? 用于光纤激光器的调Ｑ技术大致可以分为光纤型调;和非光纤型调Ｑ两类。非光纤型调Ｑ有光调Ｑ、电光调Ｑ、机械转镜调Ｑ和可饱和吸收体调Ｑ等。 非光纤型调Ｑ： 1.声光调Q激光器：

? ? 2.电光调Q激光器：

? 3.可饱和吸收体调Q激光器： 光纤型调Q装置 光纤型调Q装置有光纤迈克尔逊干涉仪调Q、光纤马赫

一曾特尔干涉仪调Q和光纤中的受激布里渊散射（ＳＢＳ）调Ｑ光纤激光器等。下面介绍混合调Q和脉冲泵浦受激布里渊散射混合调Q光纤激光器。 ? 混合调Q光纤激光器 如图所示 得到了峰值功率，脉宽2m的脉冲激光输出。 实验中选用掺钕双包层光纤作增益介质，光纤长,纤芯直径,数值孔径。内包层为矩形结构,截面尺寸150um*75um。 泵源为800nm、3w激光二极管，有60%的泵光祸合到内包层中。 系统由一个全反镜和一个二向色镜构成驻波谐振腔。在双包层光 纤的输出端接几米长的单模光纤,实现调Q ,得到纳秒量级的激光脉冲。在腔内插人一声光调制器(AQM),使激光脉冲重复频率在范围内可调。 ? ? ? 脉冲泵浦和受激布里渊散射混合调Q : 在线形腔双包层光纤激光器中,用脉冲泵浦和SBS混合调Q 。 如图所示

小功率脉冲光纤激光器说明书(一体机)-A00

小功率脉冲光纤激光器 使用说明书 武汉锐科光纤激光器技术有限责任公司

安全信息 在使用该产品之前，请先阅读和了解这份用户手册并熟悉我们为您提供的信息。这份用户手册提供了重要的产品操作，安全以及其他信息给您以及所有将来的用户作参考。 为了确保操作安全和产品的最佳性能，请遵循以下注意和警告事项以及该手册的其他信息去操作。 ●锐科公司脉冲光纤激光器是IV级的激光产品。在打开24VDC电源前，要确保连接是 正确的24VDC的电源并确认正负极，错误连接电源，将会损坏激光器。 ●该激光器在1060~1085nm波长范围内发出超过5W、10W、15W、20W、25W、30W （根据不同激光器型号）的激光辐射。避免眼睛和皮肤接触到光输出端直接发出或散射出来的辐射。 ●不要打开机器，因为没有可供用户使用的产品零件或配件。所有保养或维修只能在锐 科公司内进行。 ●不要直接观看输出头，在操作该机器时要确保长期配戴激光安全眼镜。 安全标识及位置 上面二个安全标识符号表示有激光辐射，我们把这符号标在产品光纤盒体盖顶上。

目录 1．产品描述 (1) 1.1 产品描述 (1) 1.2实际配置清单 (1) 1.3使用环境要求及注意事项 (1) 1.4技术参数 (2) 2．安装 (3) 2.1 安装尺寸图 (3) 2.2 安装方法 (4) 3．控制接口 (5) 4．操作程序 (6) 4.1 前期检查工作 (6) 4.2 操作步骤 (6) 4.3打标过程中应注意的事项 (7) 5．质保及返修、退货流程 (7) 5.1一般保修 (7) 5.2保修的限定性 (7) 5.3服务和维修 (8)

光纤激光器论文

激光器件与技术期中论文 光纤激光器浅谈浅谈光纤激光器以及我国光纤激光器研究现状

摘要： 光纤激光器作为光源在光通信领域已得到广泛应用，而随着大功率双保层光纤激光器的出现，其应用正向着激光加工、激光测距、激光雷达、激光艺术成像、激光防伪和生物医疗等更广阔的领域迅速扩展。本文以下内容概述了光纤激光器的原理、特点、应用及其发展前景。 关键词：光纤激光器应用扩展发展前景 abstract: Fiber laser as a light source in the field of optical communication has been widely used, and as the dual-protection layer of high-power fiber lasers appear, its application is toward to the laser processing, laser ranging, laser radar, laser art of imaging, security and bio-medical laser rapid expansion of a wider area. The following article outlines the principles of fiber lasers, characteristics, applications and prospects for development. Keywords: fiber laser applications development prospects.

高能量脉冲光纤激光器

STM10和STM20高能量脉冲光纤激光器 STM10和STM20光纤激光器通过光纤传输，适合于激光打标、雕刻、微加工和表面处理。脉冲重复率和输出激光功率由8位TTL信号或USB控制。激光器可以包括隔离器、扩束镜、聚焦镜和红光指示。 工作原理 光纤是以SiO2为基质材料拉成的玻璃实体纤维，其导光原理是利用光的全反射原理，即当光以大于临界角的角度由折射率大的光密介质入射到折射率小的光疏介质时，将发生全反射，入射光全部反射到折射率大的光密介质，折射率小的光疏介质内将没有光透过。普通裸光纤一般由中心高折射率玻璃芯、中间低折射率硅玻璃包层和最外部的加强树脂涂层组成。光纤按传播光波模式可分为单模光纤和多模光纤。单模光纤的芯径较小，只能传播一种模式的光，其模间色散较小。多模光纤的芯径较粗，可传播多种模式的光，但其模间色散较大。按折射菲菲内部可分为阶跃折射率光纤和渐变折射率光纤。 以稀土掺杂光纤激光器为例，掺有稀土离子的光纤芯作为增益介质，掺杂光纤固定在两个反射镜间构成谐振腔，泵浦光从M1入射到光纤中，从M2输出激光。当泵浦光通过光纤时，光纤中的稀土离子吸收泵浦光，其电子呗激励到较高的激发能级上，实现了离子数反转。反转后的粒子以辐射形成从高能级转移到基态，输出激光。 特性 由于光纤激光器采用的工作介质具有光纤的形式，其特性要受到光纤渡导性质的影响。进入到光纤中的泵浦光一般具有多个模式，而信号光电可能具有多个模式，不同的泵浦模式对不同的信号模式产生不同的影响，使得光纤激光器和放大器的分析比较复杂，在很多情况下难以得到解析解，不得不借助于数值计算。光纤中的掺杂分布对光纤激光器也产生很大的影响，为了使介质具有增益特性，将工作离子（即杂质）掺杂进光纤。一般情况下，工作离子在纤芯中均匀分布．但不同模式的泵浦光在光纤中的分布是非均匀的。因而，为了提高泵浦效率，应该尽量使离子分布和泵浦能量的分布相重合。在对光纤激光器进行分析时，除了基于前面讨论的激光器的一般原理，还要考虑其自身特点，引入不同的模型和采用特殊的分析方法，以达到最好的分析效果。 和传统的固体、气体激光器一样，光纤激光器也是由泵浦源、增益介质、谐振腔三个基本要素组成。泵浦源一般采用高功率半导体激光器，增益介质为稀土掺杂光纤或普通非线性光纤，谐振腔可以由光纤光栅等光学反馈元件构成各种直线型谐振腔，也可以用耦合器构成各种环形谐振腔。泵浦光经适当的光学系统耦合进入增益光纤，增益光纤在吸收泵浦光后形成粒子数反转或非线性增益并产生自发发射。所产生的自发发射光经受激放大和谐振腔的选模作用后，最终形成稳定激光输出。 技术指标

飞秒光纤激光器的应用

飞秒光纤激光器的应用 飞秒光纤激光器是一种主要由光纤激光器构成，具有飞秒（10负15次秒）区持续时间的脉冲激光器。 飞秒激光器的脉宽极窄，瞬问功率极高，既使平均输出功率为lW，峰值功率也能达到千瓦级至兆瓦级以上。飞秒激光器现已应用于以往纳秒脉冲激光器或连续波激光器无法应用的各种领域。 1990年，日本爱信精机公司以IMRA AmericaInc.的名字在美国成立了一家子公司，门从事飞秒光纤激光器的研发、生产、销售与应用开发工作。因此“IMRA”既是美国研究法人的名字，又是爱信精机公司生产的激光器的商标名称，这是在美国研究开发、日本制造的激光器。 1、飞秒光纤激光器的优点 1.1、小型轻便 光纤激光器在确保必要光学长度的同时，可将光纤卷成半径约3cm的环形。与固体激光器相比，光纤激光器的体积大幅缩小。光纤形态每单位体积的表面积大于棒状或片状晶体激光器，散热效果好，不需要冷却器等外围装置，因此在这方面又大幅缩小了激光器的体积。 1．2、高可靠性高稳定性 光纤激光器是由光纤部件组装而成。这些光纤部件采用电弧熔接的方法，因此光学轴长期无偏移，这种连接方法确保了光纤激光器的稳定性和可靠性。另外，IMRA激光器系统外部采购的元器件都严格选用高可靠性的光通信部件，这也对激光器系统的高可靠性提供了保障。 1．3、高光束质量 单模光纤输出的光是近乎理想的点光源，输出光束的圆度和强度分布较容易获得接近理想的高质量输出光束。飞秒光纤激光器在用于微细加工时，聚焦光束很容易达到透镜的聚焦极限，因此适于微细加工。 1．4、低功耗 现已广泛使用的钛宝石飞秒激光振荡器的晶体吸收波长在530nm附近，将大功率Nd：YAG激光器的波长转换成530nm来泵浦激光器，既需要大型Nd：Y AG激光器，又需要冷却器，其电能消耗很大。而光纤激光器则不需要冷却器，可以用二极管激光器直接泵浦。结果表明，飞秒光纤激光器的电光转换效率优于钛宝石飞秒激光器1个数量级。 2、飞秒光纤激光振荡器 虽然20世纪90年代初问世的飞秒光纤激光器的光学轴具有长期无偏移的特点，但因温度的变化等会使偏振面光纤旋转，从而导致输出功率的改变，因此需要偏振面的调整机构，并需要维护。 1994年，Fermann等人利用新结构的被动锁模飞秒脉冲激光振荡器实现了无调整运转。科研人员在谐振腔的两端对置法拉第转子，以往返运转来补偿因环境变化所引起的偏振旋

半导体激光器的历史状况及应用

放大器论文半导体激光器论文 半导体激光器的历史状况及应用 摘要在近几十年来,半导体激光技术得到了十分迅速的发展,在现实生活中的很多领域都有十分广泛的应用,而且在未来的生活中也会扮演着重要的角色。本文主要介绍了半导体激光器的历史现状及现实生活中的应用,以此来说明半导体激光器的重要性。 关键词半导体激光器;历史状况;运用 0 引言 激光器的结构从同质结发展成单异质结、双异质结、量子阱(单、多量子阱) 等多种形式,制作方法从扩散法发展到液相外延(LPE)、气相外延(VPE)、分子束外延(MBE)、金属有机化合物气相淀积(MOCVD)、化学束外延(CBE)以及它们的各种结合型等多种工艺[5]。半导体激光器的应用范围十分广泛,而且由于它的体积小,结构简单,输入能量低,寿命长,易于调制和价格低等优点,使它已经成为当今光电子科学的 核心技术,受到了世界各国的高度重视。 1 半导体激光器的历史 半导体激光器又称激光二极管(LD)。随着半导体物理的发展,人们早在20世纪50年代就设想发明半导体激光器。 20世纪60年代初期的半导体激光器是同质结型激光器,是一种只能以脉冲形式工作的半导体激光器。在1962年7月召开的固体器

件研究国际会议上,美国麻省理工学院林肯实验室的两名学者克耶斯(Keyes)和奎斯特(Quist)报告了砷化镓材料的光发射现象。 半导体激光器发展的第二阶段是异质结构半导体激光器,它是由两种不同带隙的半导体材料薄层,如GaAs,GaAlAs所组成的激光器。单异质结注人型激光器(SHLD),它是利用异质结提供的势垒把注入电子限制在GaAsP一N结的P区之内,以此来降低阀值电流密度的激光器。 1970年,人们又发明了激光波长为9 000?在室温下连续工作的双异质结GaAs-GaAlAs(砷化稼一稼铝砷)激光器.在半导体激光器件中,目前比较成熟、性能较好、应用较广的是具有双异质结构的电注人式GaAs二极管激光器. 从20世纪70年代末开始,半导体激光器明显向着两个方向发展,一类是以传递信息为目的的信息型激光器;另一类是以提高光功率为目的的功率型激光器。在泵浦固体激光器等应用的推动下,高功率半导体激光器(连续输出功率在100W以上,脉冲输出功率在5W以上,均可称之谓高功率半导体激光器)在20世纪90年代取得了突破性进展,其标志是半导体激光器的输出功率显著增加,国外千瓦级的高功率半导体激光器已经商品化,国内样品器件输出已达到600W。另外,还有高功率无铝激光器、红外半导体激光器和量子级联激光器等等。其中,可调谐半导体激光器是通过外加的电场、磁场、温度、压力、掺杂盆等改变激光的波长,可以很方便地对输出光束进行调制。

半导体激光器LD脉冲驱动电路的设计与实验

半导体激光器LD脉冲驱动电路的设计与实验 进行脉冲驱动电路的设计主要是由于，半导体激光器在脉冲驱动电路驱动时，其结温会在半导体激光器不工作的时刻进行散热，因此半导体激光器在脉冲电源驱动下，对半导体激光器的散热要求不高。在设计半导体激光器的脉冲驱动电源时，也是先仿真后设计的思想，在电路选型上也是力求简单。 1 脉冲电源的仿真 在进行脉冲电源仿真时，同样选用的NI公司的这款Multisim10这款电路仿真软件。选用的器件是IRF530，信号源是5V，占款比为50%，频率为50Hz的方波信号源；用电阻1R代替半导体激光器、且将1R的阻值设置为1Ω，用Multisim10的自带示波器对电阻1R两端的电信号进行测量。 脉冲电源仿真 在仿真电路设计的过程中，选用了功率管IRF530作为主开关，对电阻1R上的电压进行采样，信号源选取的是输出5V方波的、频率是50Hz、占款比是50%的信号源。在进行仿真前、将示波器的A通道接在电阻1R的两端，对整个电路的电流信号进行监测。将示波器的B通道接在信号源的两端，对信号源的输出

电信号进行采样，这样通过A、B两通道的电信号进行对比，看脉冲驱动电路能否满设计要求。 根据仿真示波器监测到的数据显示，电阻1R两端的电信号完全是跟信号源的电信号同步变化的，而且波形完全一致。仿真结果显示电阻1R的峰值电压是为1.145V，说明电路的峰值电流也是1.145A。 在仿真过程中，通过不断的调整信号源的特性，发现电阻1R两端的电压值的大小只与信号源的电压值大小有关系，而与信号源的频率和占空比关系不大，这说明此脉冲仿真电路输出电流值的大小只与信号源输出的电压值大小有关。出现这样的结果主要是选取的信号源的频率过低，功率管IRF530完全可以做到对电路的开断控制。 以上仿真结果显示，当信号源的峰值电压是5V的时候，所对应的流过IRF530的峰值电流是1.145A。根据IRF530的输出特性，通过调节信号源的加载在IRF530GS V的电压就可以改变功率管IRF530的输出电流值，从而改变整个脉冲电源输出电流的值。 2 脉冲电源的设计 从上面的电路仿真可以看出，脉冲电源的设计主要是脉冲信号源的设计、电路的主体部分还是用IRF530来实现的，通过控制信号源的加载在GS V的电压来控制流通IRF530的电流。要调整输出电流信号的频率得通过信号源进行控制。 图 3-25 基于单片机脉冲电源

光纤激光器的设计及应用

光纤激光器的设计及应用 过去，光纤激光器广泛应用于电信产业领域，可使高质量单模低功率系统的平均无故障时间达到约25年，确保只要通信技术安装之后，就可以一劳永逸，根本不用为其担心了。随着上世纪90年代末电信市场的崩溃，光纤激光器制造商已将工作重心转向满足工业制造、军事、医疗以及航天领域的需求。从电信向其他产业的这一转变需要相应的高低功率激光技术，重点要满足一定的操作和性能目标，从而占据价值数十亿激光材料处理市场的一部分份额。目前市场上销售的各种光纤激光器技术种类之多令人吃惊，可满足各种工业应用的需求。功率级小于200W的低功率单模系统正在微处理标记和医疗应用中得到越来越多的采用，同时该技术也在向高功率级方向快速发展，不会损坏光纤。此外，其还为激光材料处理应用开辟了新的天地。 各厂商均推出了光纤激光器系统和元件。GSI推出的商业产品系列的输出功率高达200W，明年可达2千瓦，而IPG的产品输出功率则小于10kW。IMRA、Spectra- Physics Inc、Synchronous Inc及Optigain Inc等制造商主要经营低功率和短脉冲领域。显然，单模光纤激光器已率先占据了其它低功率激光器技术的一部分市场份额，与现有的CO2和灯泵浦Nd:YAG技术竞争。本文将重点讨论高功率光纤激光器技术的近期发展，并探讨现有相关技术标准将为当今对技术不断提出更高要求的制造产业带来何种新机遇。 光纤激光器设计 高功率光纤激光器小巧可靠，在光束质量和功率转换效率（大约20％）方面优于灯泵浦Nd:YAG激光。光纤激光器含有一个长光纤激光器腔（约12米），沿整个长度方向分配泵浦能量。高效率可以减少热管理问题，而余热可以沿整条光纤消散。大部分掺稀土硅光纤激光器都是由输出分别约为1550nm与1060nm的Er或Yb掺质物组成。与1550nm输出相比，1060nm输出时可实现更高的效率。横电磁模分布由纤芯的导波特性控制。宽度为数十微米

光纤激光器的工作原理及其发展前景

光纤激光器的工作原理及其发展前景 光纤激光器的工作原理及其发展前景 [摘要] 光纤激光器因其独有的性能和优点受到世界各国的普遍重视。本文简要介绍了光纤激光器的结构、工作原理、分类、特点及其研究进展，最后对光纤激光器的发展前景进行了展望。 [关键词] 光纤激光器增益介质谐振腔 1 引言 光纤激光器于1963年发明，到20世纪80年代末第一批商用光纤激光器面市，经历了20多年的发展历程。光纤激光器被人们视为一种超高速光通信用放大器。光纤激光器技术在高速率大容量波分复用光纤通信系统、高精度光纤传感技术和大功率激光等方面呈现出广阔的

应用前景和巨大的技术优势。光纤激光器有很多独特优点，比如：激光阈值低、高增益、良好的散热、可调谐参数多、宽的吸收和辐射以及与其他光纤设备兼容、体积小等。近年来光纤激光器的输出功率得到迅速提高。已达到10—100 kW。作为工业用激光器,现已成为输出功率最高的激光器。光纤激光器的技术研究受到世界各国的普遍重视，已成为国际学术界的热门前沿研究课题。其应用领域也已从目前最为成熟的光纤通讯网络方面迅速地向其他更为广阔的激光应用领域扩展。本文简要介绍了光纤激光器的结构、工作原理、分类、特点及其研究进展，最后对光纤激光器的发展前景进行了展望。 2 光纤激光器的结构及工作原理 2.1光纤激光器的结构 和传统的固体、气体激光器一样。光纤激光器基本也是由泵浦源、增益介质、谐振腔三个基本的要素组成。泵浦源一般采用高功率半导体激光器(LD)，增益介质为稀土掺杂光纤或普通非线性光纤，谐振腔可以由光纤光栅等光学反馈元件构成各种直线型谐振腔，也可以用耦合器构成各种环形谐振腔泵浦光经适当的光学系统耦合进入增益光纤，增益光纤在吸收泵浦光后形成粒子数反转或非线性增益并产生自发辐射所产生的自发辐射光经受激放大和谐振腔的选模作用后．最终形成稳定激光输出。图1为典型的光纤激光器的基本构型。

半导体激光器调研报告

半导体激光器调研报告 班级：电科 姓名：XXX 学号：20120xxx

半导体激光器又称激光二极管，是用半导体材料作为工作物质的激光器。由于物质结构上的差异，不同种类产生激光的具体过程比较特殊。常用工作物质有砷化镓（GaAs）、硫化镉（CdS）、磷化铟(InP)、硫化锌(ZnS)等。激励方式有电注入、电子束激励和光泵浦三种形式。半导体激光器件，可分为同质结、单异质结、双异质结等几种。同质结激光器和单异质结激光器在室温时多为脉冲器件，而双异质结激光器室温时可实现连续工作。 半导体二极管激光器是最实用最重要的一类激光器。它体积小、寿命长，并可采用简单的注入电流的方式来泵浦其工作电压和电流与集成电路兼容，因而可与之单片集成。并且还可以用高达GHz的频率直接进行电流调制以获得高速调制的激光输出。由于这些优点，半导体二极管激光器在激光通信、光存储、光陀螺、激光打印、测距以及雷达等方面以及获得了广泛的应用。 仪器简介： 半导体激光器是以一定的半导体材料做工作物质而产生激光的器件。.其工作原理是通过一定的激励方式，在半导体物质的能带（导带与价带）之间，或者半导体物质的能带与杂质（受主或施主）能级之间，实现非平衡载流子的粒子数反转，当处于粒子数反转状态的大量电子与空穴复合时，便产生受激发射作用。半导体激光器的激励方式主要有三种，即电注入式，光泵式和高能电子束激励式。电注入式半导体激光器，一般是由砷化镓（GaAs）、硫化镉（CdS）、磷化铟(InP)、硫化锌(ZnS)等材料制成的半导体面结型二极管，沿正向偏压注入电流进行激励，在结平面区域产生受激发射。光泵式半导体激光器，一般用N型或P 型半导体单晶（如GaAS,InAs,InSb等）做工作物质，以其他激光器发出的激光作光泵激励.高能电子束激励式半导体激光器，一般也是用N型或者P型半导体单晶(如PbS,CdS,ZhO等)做工作物质，通过由外部注入高能电子束进行激励。在半导体激光器件中，性能较好，应用较广的是具有双异质结构的电注入式GaAs二极管激光器。 工作原理： 根据固体的能带理论，半导体材料中电子的能级形成能带。高能量的为导带，低能量的为价带，两带被禁带分开。引入半导体的非平衡电子-空穴对复合时，把释放的能量以发光形式辐射出去，这就是载流子的复合发光。 一般所用的半导体材料有两大类，直接带隙材料和间接带隙材料，其中直接带隙半导体材料如GaAs（砷化镓）比间接带隙半导体材料如Si有高得多的辐射跃迁几率，发光效率也高得多。 半导体复合发光达到受激发射（即产生激光）的必要条件是：①粒子数反转分布分别从P型侧和n型侧注入到有源区的载流子密度十分高时，占据导带电子态的电子数超过占据价带电子态的电子数，就形成了粒子数反转分布。②光的谐振腔在半导体激光器中，谐振腔由其两端的镜面组成，称为法布里一珀罗腔。③高增益用以补偿光损耗。谐振腔的光损耗主要是从反射面向外发射的损耗和介质的光吸收。 半导体激光器是依靠注入载流子工作的，发射激光必须具备三个基本条件： （1）要产生足够的粒子数反转分布，即高能态粒子数足够的大于处于低能态的粒子数； （2）有一个合适的谐振腔能够起到反馈作用，使受激辐射光子增生，从而产生激光震荡；