CN106785838A - Portable hand-held 80W jointed fiber Optical Maser Systems - Google Patents
Portable hand-held 80W jointed fiber Optical Maser Systems Download PDFInfo
- Publication number
- CN106785838A CN106785838A CN201611165310.4A CN201611165310A CN106785838A CN 106785838 A CN106785838 A CN 106785838A CN 201611165310 A CN201611165310 A CN 201611165310A CN 106785838 A CN106785838 A CN 106785838A
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- Prior art keywords
- laser
- fiber
- pumping source
- held
- feedback system
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- 239000000835 fiber Substances 0.000 title claims abstract description 40
- 230000003287 optical effect Effects 0.000 title claims abstract description 17
- 241000931526 Acer campestre Species 0.000 title claims abstract description 15
- 238000005086 pumping Methods 0.000 claims abstract description 52
- 238000012544 monitoring process Methods 0.000 claims abstract description 44
- 239000013307 optical fiber Substances 0.000 claims abstract description 25
- 238000005253 cladding Methods 0.000 claims abstract description 23
- 239000002184 metal Substances 0.000 claims abstract description 13
- 239000004065 semiconductor Substances 0.000 claims abstract description 8
- 230000004044 response Effects 0.000 claims description 4
- 238000004891 communication Methods 0.000 claims description 3
- 238000005457 optimization Methods 0.000 abstract description 3
- 238000006243 chemical reaction Methods 0.000 abstract description 2
- 230000000694 effects Effects 0.000 abstract description 2
- 230000005611 electricity Effects 0.000 abstract description 2
- 239000000463 material Substances 0.000 abstract description 2
- 238000002347 injection Methods 0.000 description 4
- 239000007924 injection Substances 0.000 description 4
- 238000010586 diagram Methods 0.000 description 3
- 238000002679 ablation Methods 0.000 description 2
- 230000003321 amplification Effects 0.000 description 2
- 230000006872 improvement Effects 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 238000003199 nucleic acid amplification method Methods 0.000 description 2
- 230000008569 process Effects 0.000 description 2
- 230000005855 radiation Effects 0.000 description 2
- 230000005540 biological transmission Effects 0.000 description 1
- 230000000747 cardiac effect Effects 0.000 description 1
- 238000001816 cooling Methods 0.000 description 1
- 230000008878 coupling Effects 0.000 description 1
- 238000010168 coupling process Methods 0.000 description 1
- 238000005859 coupling reaction Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000000605 extraction Methods 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 230000009467 reduction Effects 0.000 description 1
- 230000006641 stabilisation Effects 0.000 description 1
- 238000011105 stabilization Methods 0.000 description 1
Classifications
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01S—DEVICES USING THE PROCESS OF LIGHT AMPLIFICATION BY STIMULATED EMISSION OF RADIATION [LASER] TO AMPLIFY OR GENERATE LIGHT; DEVICES USING STIMULATED EMISSION OF ELECTROMAGNETIC RADIATION IN WAVE RANGES OTHER THAN OPTICAL
- H01S3/00—Lasers, i.e. devices using stimulated emission of electromagnetic radiation in the infrared, visible or ultraviolet wave range
- H01S3/05—Construction or shape of optical resonators; Accommodation of active medium therein; Shape of active medium
- H01S3/06—Construction or shape of active medium
- H01S3/063—Waveguide lasers, i.e. whereby the dimensions of the waveguide are of the order of the light wavelength
- H01S3/067—Fibre lasers
- H01S3/06708—Constructional details of the fibre, e.g. compositions, cross-section, shape or tapering
- H01S3/06712—Polarising fibre; Polariser
-
- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B6/00—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings
- G02B6/24—Coupling light guides
- G02B6/42—Coupling light guides with opto-electronic elements
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01S—DEVICES USING THE PROCESS OF LIGHT AMPLIFICATION BY STIMULATED EMISSION OF RADIATION [LASER] TO AMPLIFY OR GENERATE LIGHT; DEVICES USING STIMULATED EMISSION OF ELECTROMAGNETIC RADIATION IN WAVE RANGES OTHER THAN OPTICAL
- H01S3/00—Lasers, i.e. devices using stimulated emission of electromagnetic radiation in the infrared, visible or ultraviolet wave range
- H01S3/02—Constructional details
- H01S3/025—Constructional details of solid state lasers, e.g. housings or mountings
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01S—DEVICES USING THE PROCESS OF LIGHT AMPLIFICATION BY STIMULATED EMISSION OF RADIATION [LASER] TO AMPLIFY OR GENERATE LIGHT; DEVICES USING STIMULATED EMISSION OF ELECTROMAGNETIC RADIATION IN WAVE RANGES OTHER THAN OPTICAL
- H01S3/00—Lasers, i.e. devices using stimulated emission of electromagnetic radiation in the infrared, visible or ultraviolet wave range
- H01S3/09—Processes or apparatus for excitation, e.g. pumping
- H01S3/091—Processes or apparatus for excitation, e.g. pumping using optical pumping
- H01S3/0912—Electronics or drivers for the pump source, i.e. details of drivers or circuitry specific for laser pumping
Abstract
The present invention relates to portable hand-held 80W jointed fiber Optical Maser Systems, it is made up of pumping source, optical-fiber bundling device, resonator, cladding light stripper, power monitor, temperature monitor, laser aligner, monitoring feedback system, metal shell；Pumping source is the semiconductor laser that output wavelength is 915nm, and electricity conversion reaches 65%.Full optical fiber laser resonator is constituted together with the gain fibre of low numerical aperture using specific wavelength, the fiber grating of narrow linewidth, the reliability of light path is improved, harmful gain is filtered, the stability of system is improved, so as to obtain the laser output of single longitudinal mode narrow linewidth.Laser is exported by cladding light stripper and laser aligner, optimizes laser beam quality and effective light spot diameter, reduces beam divergence angle, improves beam Propagation distance.Laser metal shell uses good heat conduction effect, the new material that density is small, hardness is high, and by effective structure optimization, realizes portable, the hand-held output of laser.
Description
Technical field
The present invention relates to optical fiber laser field, specifically a kind of portable hand-held 80W jointed fiber Optical Maser Systems.
Background technology
In some special industries and special area, it is necessary to carry out Special use using optical fiber laser, for example：High-risk and
The long-range ablation of combustible in inconvenient operating area, anti-terrorism field remote object laser hits, the remote laser of biological human body
Ablation etc..The required laser requirement of these fields have small volume, it is lightweight, the characteristics of be easy to carry, and require to swash
Light device working environment is succinct, easy to operate, non-maintaining, and the especially beam quality requirement to laser is strict, at this stage optical fiber laser
It is only selection.
The content of the invention
The purpose of the present invention is for the above mentioned problem for overcoming prior art to exist, there is provided small volume, lightweight, with stabilization
Property good, good beam quality portable hand-held 80W jointed fiber Optical Maser Systems, the present invention output 80W continuous lasers, laser
By housing heat loss through conduction, natural cooling, Laser Output Beam effective light spot diameter 3-4mm, the angle of divergence are less than 0.5mrad；
In the case of output 20s laser, pause 2 minutes, laser being capable of continuous light extraction.
Technical scheme：
Portable hand-held 80W jointed fiber Optical Maser Systems, by pumping source, optical-fiber bundling device, resonator, covering photospallation
Device, power monitor, temperature monitor, laser aligner, monitoring feedback system and metal shell are constituted；It is characterized in that：Pump
Pu source, optical-fiber bundling device, resonator, cladding light stripper, power monitor, temperature monitor, laser aligner, monitoring feedback
System is installed in metal shell, and monitoring feedback system respectively with pumping source, optical-fiber bundling device, power monitor and temperature
Watch-dog is connected, and pumping source enclosed inside light power is monitored and monitoring temperature, and signal is fed back by pumping source pin with monitoring
System sets up communication, carries out pumping source condition adjudgement；In pumping source output laser injection laserresonator, then shelled by cladding light
From device and power monitor, from laser aligner output, the signal that power monitor will be collected is sent to monitoring feedback system；
The signal collected from resonator is sent to monitoring feedback system by temperature monitor；It is last by monitoring feedback system by laser
Status information feedback to user terminal, user terminal control control pumping source.
In pumping source output 915nm laser injection laserresonators, gain fibre is exported by stimulated radiation amplification process
1080nm laser；Export again by cladding light stripper and power monitor, from laser aligner, power monitor will be collected
Signal be sent to monitoring feedback system；The metal shell of laser heats up because heat is absorbed simultaneously, and temperature monitor will
The signal for collecting is sent to monitoring feedback system；It is last by monitoring feedback system by laser status feedback of the information to user's end
End.
Monitoring pumping source working condition of the invention：Light power signal, operating tempera-ture signal, pumping source output are continuous
915nm laser；Pumping laser is injected into resonator through optical-fiber bundling device, passes sequentially through reflective grid high, Yb-doped fiber, output light
Grid；The fibre core laser of output grating output is exported through cladding light stripper, is finally projected via laser aligner, small part covering
Laser is stripped to up to power monitor；The signal that power monitor will be collected is sent to monitoring feedback system, while temperature
The temperature signal of metal shell can be sent to monitoring feedback system by watch-dog.The pumping source that monitoring feedback system will be collected goes out
Optical power signals, temperature signal and output laser power signal, case temperature signal and setting value contrast, determine according to comparing result
It is fixed to continue or stop pumping source work.
Described pumping source is operated in continuous state, is the gain switch type semiconductor laser of quick response, in output
Cardiac wave is long in 915 ± 2nm, and electricity conversion reaches 65%, and caloric value is smaller；Pumping source is according to practical application request, work
20s exports continuous laser, suspends 30s.
The optical-fiber bundling device, 2 optical-fiber bundlings of 200/220 core diameter into the optical fiber output of 20/400 core diameter optimize
Light beam coupling efficiency reduction device heating amount.Designed using forward direction transmission, suppress reflected light, strengthen the protection of pumping source.
Described resonator uses front end pump mode, is made up of reflective grid high, Yb-doped fiber, output grating, front end note
Enter pump light, improve the uniformity and stability of resonator；Yb-doped fiber uses low numerical aperture kind of design, with laser pair
The need for output beam quality；User terminal driving semiconductor pumping sources make resonance cavity segment produce 1080nm ± 10nm continuous
80W laser.
Small part flashlight is separated for laser power monitor by cladding light stripper in power monitor.
Cladding light stripper also has improvement beam quality simultaneously, eliminates the effect of feedback light；The profit in cladding light stripper
The multi-mode laser that will be transmitted in cladded-fiber with the cladded-fiber breakage of artificial manufacture derives laser beam, reaches improvement beam quality
Purpose.
Operation principle of the invention：Constant-current supply drives pumping source to produce 915nm continuous lasers, and pump light is through optical-fiber bundling
Resonator is injected into after device, pumping Yb-doped fiber, gain produces the laser of 1080nm, eventually passes cladding light stripper optimization light
Exported through laser aligner after beam quality.This kind of portable hand-held jointed fiber laser maximum power output 80W, job requirement
It is operation 20s, pause 2 minutes.
This kind of portable hand-held jointed fiber Optical Maser System is provided with pump light watch-dog and power output watch-dog, prison
Control reponse system is contrasted it with setting value, is made according to comparing result and is judged and notify that driving power supply is adjusted accordingly
It is whole.
Advantages of the present invention：
The portable hand-held jointed fiber Optical Maser System is all optical fiber system, effectively increase system reliability and
Stability, use environment strong adaptability,
The portable hand-held jointed fiber Optical Maser System improves pumping light utilization efficiency using optimization optical-fiber bundling device,
Reduce caloric value.The gain fibre and cladding light stripper that are designed using low numerical aperture effectively increase the light beam matter of laser
Amount；
The portable hand-held jointed fiber Optical Maser System new material and Novel structure, effectively reduce laser body
Product and weight, realize hand-holdable formula work, are easy to use and carry.
Brief description of the drawings
Fig. 1 is optical texture schematic diagram of the invention.
Fig. 2 is system structure diagram of the invention.
Fig. 3 is mounting structure schematic diagram of the invention.
Specific embodiment
Further describe below in conjunction with the accompanying drawings.
Referring to Fig. 1, Fig. 2, Fig. 3, the present invention is by pumping source 1, optical-fiber bundling device 2, resonator 3, cladding light stripper 4, work(
Rate watch-dog 5, temperature monitor 6, laser aligner 7, monitoring feedback system 8 and metal shell 9 are constituted；It is characterized in that：Pump
Pu source 1, optical-fiber bundling device 2, resonator 3, cladding light stripper 4, power monitor 5, temperature monitor 6, laser aligner 7,
Monitoring feedback system 8 is installed in metal shell 9, and monitoring feedback system 8 respectively with pumping source 1, optical-fiber bundling device 2, work(
Rate watch-dog 5 is connected with temperature monitor 6, and the enclosed inside light power of pumping source 1 is monitored and monitoring temperature, and signal passes through pumping
The pin of source 1 sets up communication with monitoring feedback system 8, carries out the condition adjudgement of pumping source 1；The output laser injection laser of pumping source 1 is humorous
Shake in chamber 3, then exported by cladding light stripper 4 and power monitor 5, from laser aligner 7, power monitor 5 will be gathered
To signal be sent to monitoring feedback system 8；The signal collected from resonator 3 is sent to monitoring feedback by temperature monitor 6
System 8；Finally by monitoring feedback system 8 by laser status feedback of the information to user terminal, user terminal control controls pumping
Source 1.Described pumping source 1 is the gain switch type semiconductor laser of quick response, and pumping source is according to practical application request, work
Make 20s output continuous lasers, suspend 30s.Described resonator 3 is by reflective grid 301 high, Yb-doped fiber 302, output grating 303
Composition Yb-doped fiber use low numerical aperture kind of design, with laser to output beam quality the need for, user terminal drive
Semiconductor pumping sources make resonance cavity segment produce the continuous 80W laser of 1080nm ± 10nm.Pass through cladding light in power monitor 5
Stripper 4 separates small part flashlight for laser power monitor.Using the covering of artificial manufacture in cladding light stripper 4
The multi-mode laser that optical fiber breakage will be transmitted in cladded-fiber derives laser beam, reaches the purpose for improving beam quality.
In the output 915nm laser injection laserresonators 3 of pumping source of the invention 1, gain fibre Yb-doped fiber 302 passes through
Stimulated radiation amplification process exports 1080nm laser；Again by cladding light stripper 4 and power monitor 5, from laser aligner 7
Output, the signal that power monitor 5 will be collected is sent to monitoring feedback system 8；The metal shell 9 of laser is because inhale simultaneously
Receive heat and heat up, the signal that temperature monitor 6 will be collected is sent to monitoring feedback system 8；Finally by monitoring feedback system 8
By laser status feedback of the information to user terminal.
The present invention：Monitoring feedback system is connected with pumping source, monitors pumping working condition：Light power signal, work temperature
Degree signal, pumping source exports continuous 915nm laser；Pumping laser is injected into resonator through optical-fiber bundling device, passes sequentially through high anti-
Grating, Yb-doped fiber, output grating；The fibre core laser of output grating output is exported through cladding light stripper, finally via laser
Collimater is projected, and small part covering laser is stripped to up to power monitor；The signal that power monitor will be collected is sent to
Monitoring feedback system, while the temperature signal of metal shell can be sent to monitoring feedback system by temperature monitor.Monitoring feedback
Pumping source light power signal that system will be collected, temperature signal and output laser power signal, case temperature signal and set
Definite value is contrasted, and pumping source work is decided to continue with or stopped according to comparing result.
Described pumping source 1 produces the continuous pump lights of 915nm, and pumping source 1 is the gain switch type semiconductor of quick response
Laser, is internally integrated light power monitoring, monitoring temperature, is connected with the monitoring feedback system 8；Pumping laser is closed through optical fiber
Resonator 3 is injected into after beam device 2；Resonator 3 is made up of reflective grid 301 high, Yb-doped fiber 302, output grating 303, using preceding
End-pumping mode；The output fibre core laser of resonator is exported from cladding light stripper 4, and covering laser reaches power monitor 5, institute
The power monitor 5 stated is made up of light absorbs chamber 501 and photodiode 502.Power monitor 5 and temperature monitor 6 will be adopted
The signal for collecting is connected the status information of output laser with monitoring feedback system 8.Laser eventually passes laser quasi straight peen 7 and penetrates
Go out.Metal shell 9 is as shown in Figure 3.
Claims (6)
1. portable hand-held 80W jointed fibers Optical Maser System, by pumping source (1), optical-fiber bundling device (2), resonator (3), bag
Layer photospallation device (4), power monitor (5), temperature monitor (6), laser aligner (7), monitoring feedback system (8) and metal
Housing (9) is constituted；It is characterized in that：Pumping source (1), optical-fiber bundling device (2), resonator (3), cladding light stripper (4), power
Watch-dog (5), temperature monitor (6), laser aligner (7), monitoring feedback system (8) are installed in metal shell (9), and
Monitoring feedback system (8) respectively with pumping source (1), optical-fiber bundling device (2), power monitor (5) and temperature monitor (6) phase
Even, the monitoring of pumping source (1) enclosed inside light power and monitoring temperature, signal is by pumping source (1) pin and monitoring feedback system
System (8) sets up communication, carries out pumping source (1) condition adjudgement；Pumping source (1) output laser is injected in laserresonator (3), then is led to
Cross cladding light stripper (4) and power monitor (5), exported from laser aligner (7), power monitor (5) is by what is collected
Signal is sent to monitoring feedback system (8)；It is anti-that the signal collected from resonator (3) is sent to monitoring by temperature monitor (6)
Feedback system (8)；Finally by monitoring feedback system (8) by laser status feedback of the information to user terminal, user terminal control is controlled
Pumping source (1) processed.
2. portable hand-held 80W jointed fiber Optical Maser Systems according to claim 1, it is characterised in that：Described pump
Pu source (1) is the gain switch type semiconductor laser of quick response, and output center wavelength is in 915 ± 2nm.
3. portable hand-held 80W jointed fiber Optical Maser Systems according to claim 1, it is characterised in that：Described is humorous
Shake chamber (3) use front end pump mode, by reflective grid 301 high), Yb-doped fiber (302), output grating (303) constitute, user's end
End driving semiconductor pumping sources make resonance cavity segment produce the continuous 80W laser of 1080nm ± 10nm.
4. portable hand-held 80W jointed fiber Optical Maser Systems according to claim 3, it is characterised in that：Described mixes
Yb optical fiber uses low numerical aperture kind of design.
5. portable hand-held 80W jointed fiber Optical Maser Systems according to claim 1, it is characterised in that：In power prison
Small part flashlight is separated for laser power monitor by cladding light stripper (4) in control device (5).
6. the quasi-continuous fiber ring laser system of high power according to claim 1 pulsewidth long, it is characterised in that：In cladding light
The multi-mode laser that will be transmitted in cladded-fiber using cladded-fiber breakage in stripper (4) derives laser beam.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201611165310.4A CN106785838A (en) | 2016-12-16 | 2016-12-16 | Portable hand-held 80W jointed fiber Optical Maser Systems |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201611165310.4A CN106785838A (en) | 2016-12-16 | 2016-12-16 | Portable hand-held 80W jointed fiber Optical Maser Systems |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN106785838A true CN106785838A (en) | 2017-05-31 |
Family
ID=58892928
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201611165310.4A Pending CN106785838A (en) | 2016-12-16 | 2016-12-16 | Portable hand-held 80W jointed fiber Optical Maser Systems |
Country Status (1)
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108574198A (en) * | 2018-06-22 | 2018-09-25 | 长春德信光电技术有限公司 | A kind of big energy long-pulse fiber laser |
| CN110676680A (en) * | 2019-09-03 | 2020-01-10 | 南京理工大学 | Device for controlling output wavelength of microchip laser pumping source |
| CN111106512A (en) * | 2019-11-19 | 2020-05-05 | 大族激光科技产业集团股份有限公司 | Monitoring device, optical fiber laser and method for processing returned light |
| CN111162438A (en) * | 2020-02-24 | 2020-05-15 | 华东师范大学重庆研究院 | Optical frequency comb control method and control system |
| CN113504032A (en) * | 2021-09-06 | 2021-10-15 | 深圳市创鑫激光股份有限公司 | Fiber grating test system and method |
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| CN108574198A (en) * | 2018-06-22 | 2018-09-25 | 长春德信光电技术有限公司 | A kind of big energy long-pulse fiber laser |
| CN110676680A (en) * | 2019-09-03 | 2020-01-10 | 南京理工大学 | Device for controlling output wavelength of microchip laser pumping source |
| CN111106512A (en) * | 2019-11-19 | 2020-05-05 | 大族激光科技产业集团股份有限公司 | Monitoring device, optical fiber laser and method for processing returned light |
| CN111162438A (en) * | 2020-02-24 | 2020-05-15 | 华东师范大学重庆研究院 | Optical frequency comb control method and control system |
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| CN113504032A (en) * | 2021-09-06 | 2021-10-15 | 深圳市创鑫激光股份有限公司 | Fiber grating test system and method |
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