CN201918631U - Optical fiber laser - Google Patents

Optical fiber laser Download PDF

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Publication number
CN201918631U
CN201918631U CN2010206315835U CN201020631583U CN201918631U CN 201918631 U CN201918631 U CN 201918631U CN 2010206315835 U CN2010206315835 U CN 2010206315835U CN 201020631583 U CN201020631583 U CN 201020631583U CN 201918631 U CN201918631 U CN 201918631U
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CN
China
Prior art keywords
fiber laser
drive plate
laser
seed source
master control
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Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired - Lifetime
Application number
CN2010206315835U
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Chinese (zh)
Inventor
赵恒�
高云峰
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Shenzhen Hans Laser Technology Co Ltd
Han s Laser Technology Co Ltd
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Shenzhen Hans Laser Technology Co Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
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Priority to CN2010206315835U priority Critical patent/CN201918631U/en
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Publication of CN201918631U publication Critical patent/CN201918631U/en
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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Abstract

The utility model relates to an optical fiber laser which comprises an optical part, and a control part that is integrated in the optical fiber laser and connected with the optical part. The optical fiber laser integrates the optical part and the control part, so that the optical fiber laser is provided with both the optical part and the control part, thus being complete in functions and high in integrity. The optical fiber laser can be controlled only by an external standard and simple user interface without the need of knowing the self control principle of the optical fiber laser, so that the operation of the laser is simple and safe and the reliability of the laser is strong. The optical part and the control part are connected without the need of a long cable, so that the volume of the laser can be greatly reduced and the reliability of the laser can be further improved.

Description

Fiber laser
[technical field]
The utility model relates to a kind of laser, relates in particular to a kind of main oscillations power amplification structure pulse optical fiber.
[background technology]
Fiber laser is current most active LASER Light Source, has been widely used in various field of laser processing.
Control section is the technological core of fiber laser.The control of quality of control section has determined the performance of fiber laser.Especially for main oscillations power amplification structure pulse optical fiber, it can realize the output of many waveforms, has the characteristics of wide frequency range simultaneously, and control section is had very high requirement.
But, traditional main oscillations power amplification structure pulse optical fiber, general integrity degree is low, integrated level is not high.Mostly only comprise opticator, perhaps opticator adds driving at different levels and simple relatively controlled function, and with the function that fiber laser must have, transfers to laser-processing system and do.Laser-processing system must self be carried out certain processing in order to use fiber laser, has so not only increased the design difficulty of laser-processing system, is unfavorable for the use of laser-processing system, has also increased the unsteadiness factor.Because the laser-processing system designer does not understand fiber laser, very easily causes misoperation, and damage fiber laser.In addition, also have part that the opticator and the control section of fiber laser are divided into two parts, middle by the cable connection, so just increased the volume of fiber ring laser system greatly, it is integrated to allow laser-processing system be difficult to, and unnecessary line has also increased insecure factor.
[utility model content]
Based on this, be necessary to provide a kind of telotism, fiber laser that integrated level is high.
A kind of fiber laser comprises opticator, also comprises being integrated in the described fiber laser and the control section that is connected with described opticator.
Preferably, described opticator comprises seed source, one-level pump laser diode and the diode pumping laser diode that connects successively.
Preferably, described control section comprises the seed source drive plate that drives described seed source, the one-level secondary drive plate that drives described one-level pump laser diode and diode pumping laser diode, the described seed source drive plate of control and the master control borad of one-level secondary drive plate and the power distribution plate that DC power supply is provided for described seed source drive plate, one-level secondary drive plate and master control borad.
Preferably, described master control borad is connected with external user interface and communication.
Preferably, described master control borad comprises single-chip microcomputer that carries out general controls and the FPGA that controls in real time; Described single-chip microcomputer is related by the IO mouth with FPGA.
Preferably, the electric current rising edge that described seed source drive plate is 2A has 50 ohm transfer resistance less than the constant-current source of 10ns on the described seed source drive plate.
Preferably, described one-level secondary drive plate is a constant-current source.
Preferably, described electric current distribution plate is by outside 24V direct current supply; Described electric current distribution plate changes into one road direct current with the 24V direct current and offers described master control borad and seed source drive plate, the 24V direct current is changed into the two-way direct current offers described one-level secondary drive plate respectively.
Above-mentioned fiber laser, opticator and control section are integrated in the fiber laser, make and not only have opticator but also have control section in the optical-fiber laser, telotism, integration degree height, outside need standard simple user interface be the may command fiber laser only, is out of use and separates the control principle of any fiber laser itself, safety simple to operate, good reliability.No longer need long cable contact between opticator and the control section, thereby reduced the volume of laser greatly, further increased reliability.
[description of drawings]
Fig. 1 is the optical fiber laser structure schematic diagram among another embodiment.
[embodiment]
Below in conjunction with accompanying drawing, embodiment of the present utility model is described in detail.
This fiber laser is integrated in opticator and control section in the fiber laser.
Fig. 1 is the optical fiber laser structure schematic diagram among another embodiment.Among this embodiment, fiber laser comprises opticator 10 and the control section 20 that is integrated in this fiber laser.
Opticator 10 comprises seed source 11, one-level pump laser diode 12 and diode pumping laser diode 13.Seed source 11 also is the seed source laser diode, is used to provide the flashlight of fiber laser.One-level pump laser diode 12 is used to provide the one-level pump light of laser, and diode pumping laser diode 13 is used to provide the diode pumping light of laser.Behind the flashlight process one-level pump laser diode 12 and diode pumping laser diode 13 that seed source 11 provides, be output as final light pulse by isolator 30.
Control section 20 comprises seed source drive plate 21, one-level secondary drive plate 22, master control borad 23 and power distribution plate 24.Seed source drive plate 21 is used to drive seed source 11.One-level secondary drive plate 22 is used to drive one-level pump laser diode 12 and diode pumping laser diode 13.Master control borad 23 provides control signal to seed source drive plate 21 and one-level secondary drive plate 22.Power distribution plate 24 provides DC power supply to master control borad 23, seed source drive plate 21 and one-level secondary drive plate 22.
When the user used fiber laser, need provide to exchange changeed direct-current switch power supply 50 to the fiber laser power supply, and by external user interface 40 control lasers.
Master control borad 23 is cores of control section 20, and the function of fiber ring laser system control is provided.The major control chip of master control borad 23 is single-chip microcomputer and FPGA (gate array can be edited in the scene), and single-chip microcomputer lays particular emphasis on general controls, and FPGA lays particular emphasis on real-time control.Single-chip microcomputer is used for handling and user-dependent communication task.Single-chip microcomputer receives user's order and execution.Single-chip microcomputer is also gathered the state information of laser simultaneously, comprises temperature value, current value, warning message, operation information.The unit sheet is by IO mouth (output/input port) and FPGA direct correlation.FPGA handles and the relevant sequential of system's control, comprises switch, the wide range of frequencies Signal Processing of one-level pump laser diode 12 and diode pumping laser diode 13 electric currents, and the multiple waveform of seed source 11 takes place.FPGA detects any mistake and just turns off fiber laser immediately, and latchs warning message simultaneously, waits for that single-chip microcomputer detects.
Seed source drive plate 21 is the high speed constant flow source, and the electric current rising edge of 2A is used to drive the seed source laser diode less than 10ns.Seed source drive plate 21 receives the current signal that master control borads 23 send, and the transfer resistance by 50 ohm changes into voltage signal onboard, and drive current waveform is followed voltage signal.
One-level secondary drive plate 22 is a constant-current source, directly receives the drive voltage signal that master control borad 23 is sent, and drives one-level pump laser diode 12 and diode pumping laser diode 13, and drive current is followed voltage signal.
Power distribution plate 24 is changed into one road direct current with the 24V direct current and is offered master control borad 23 and seed source drive plate 21 by outside 24V direct current supply, and the 24V direct current is changed into the two-way direct current respectively to offering one-level secondary drive plate 22.
Above-mentioned fiber laser, opticator and control section are integrated in the fiber laser, make and not only have opticator but also have control section in the optical-fiber laser, telotism, integration degree height, the outside standard simple user interface that only needs can be controlled this fiber laser, is out of use and separates the control principle of any fiber laser itself, safety simple to operate, good reliability.No longer need long cable contact between opticator and the control section, thereby reduced the volume of laser greatly, further increased reliability.
The above embodiment has only expressed several execution mode of the present utility model, and it describes comparatively concrete and detailed, but can not therefore be interpreted as the restriction to the utility model claim.Should be pointed out that for the person of ordinary skill of the art under the prerequisite that does not break away from the utility model design, can also make some distortion and improvement, these all belong to protection range of the present utility model.Therefore, the protection range of the utility model patent should be as the criterion with claims.

Claims (8)

1. a fiber laser comprises opticator, it is characterized in that, also comprises being integrated in the described fiber laser and the control section that is connected with described opticator.
2. fiber laser according to claim 1 is characterized in that, described opticator comprises seed source, one-level pump laser diode and the diode pumping laser diode that connects successively.
3. fiber laser according to claim 2, it is characterized in that described control section comprises the seed source drive plate that drives described seed source, the one-level secondary drive plate that drives described one-level pump laser diode and diode pumping laser diode, the described seed source drive plate of control and the master control borad of one-level secondary drive plate and the power distribution plate that DC power supply is provided for described seed source drive plate, one-level secondary drive plate and master control borad.
4. fiber laser according to claim 3 is characterized in that, described master control borad is connected with external user interface and communication.
5. fiber laser according to claim 4 is characterized in that, described master control borad comprises single-chip microcomputer that carries out general controls and the FPGA that controls in real time; Described single-chip microcomputer is related by the IO mouth with FPGA.
6. according to the arbitrary described fiber laser of claim 3 to 5, it is characterized in that the electric current rising edge that described seed source drive plate is 2A has 50 ohm transfer resistance less than the constant-current source of 10ns on the described seed source drive plate.
7. according to the arbitrary described fiber laser of claim 3 to 5, it is characterized in that described one-level secondary drive plate is a constant-current source.
8. according to the arbitrary described fiber laser of claim 3 to 5, it is characterized in that described electric current distribution plate is by outside 24V direct current supply; Described electric current distribution plate changes into one road direct current with the 24V direct current and offers described master control borad and seed source drive plate, the 24V direct current is changed into the two-way direct current offers described one-level secondary drive plate respectively.
CN2010206315835U 2010-11-29 2010-11-29 Optical fiber laser Expired - Lifetime CN201918631U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN2010206315835U CN201918631U (en) 2010-11-29 2010-11-29 Optical fiber laser

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Application Number Priority Date Filing Date Title
CN2010206315835U CN201918631U (en) 2010-11-29 2010-11-29 Optical fiber laser

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Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102610998A (en) * 2012-03-16 2012-07-25 中国科学院上海微系统与信息技术研究所 Driving device for pulse laser
CN103259158A (en) * 2012-02-20 2013-08-21 深圳市大族激光科技股份有限公司 Laser real-time control system and laser
CN105867437A (en) * 2016-04-06 2016-08-17 北京航天发射技术研究所 Aiming control equivalent apparatus for simulating rocket platform prism photoelectric collimation loop
CN106197951A (en) * 2016-07-25 2016-12-07 长飞光纤光缆股份有限公司 A kind of Active Optical Fiber photon darkens the Circuits System of test

Cited By (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103259158A (en) * 2012-02-20 2013-08-21 深圳市大族激光科技股份有限公司 Laser real-time control system and laser
CN103259158B (en) * 2012-02-20 2015-08-05 深圳市大族激光科技股份有限公司 A kind of laser real-time control system and laser
CN102610998A (en) * 2012-03-16 2012-07-25 中国科学院上海微系统与信息技术研究所 Driving device for pulse laser
CN102610998B (en) * 2012-03-16 2013-04-24 中国科学院上海微系统与信息技术研究所 Driving device for pulse laser
CN105867437A (en) * 2016-04-06 2016-08-17 北京航天发射技术研究所 Aiming control equivalent apparatus for simulating rocket platform prism photoelectric collimation loop
CN105867437B (en) * 2016-04-06 2019-04-05 北京航天发射技术研究所 Take aim at control equivalent device in a kind of simulated rocket platform prism photoelectricity collimation circuit
CN106197951A (en) * 2016-07-25 2016-12-07 长飞光纤光缆股份有限公司 A kind of Active Optical Fiber photon darkens the Circuits System of test
CN106197951B (en) * 2016-07-25 2018-09-18 长飞光纤光缆股份有限公司 A kind of Active Optical Fiber photon darkens the circuit system of test

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Granted publication date: 20110803