CN102801106A - Multi-chain lath laser coherence control common-aperture polarization synthesis method - Google Patents
Multi-chain lath laser coherence control common-aperture polarization synthesis method Download PDFInfo
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Abstract
The invention relates to a multi-chain lath laser coherence control common-aperture polarization synthesis method. The method is based on a master oscillator power amplifier (MOPA) structure, the wavefront of each path of amplified light beams is purified by a unit beam purification system, and a coherence control common-aperture polarization synthesis technology is utilized to solve the problem that coherence synthesis energy is dispersed to side spots in the prior art, thereby realizing laser output with high mean brightness and common aperture. The multi-chain lath laser coherence control common-aperture polarization synthesis method comprises a unit beam purification technology, a phase-locked technology and a common aperture polarization control technology. A synthesis path can be expanded to multiple paths.
Description
Technical field
The present invention relates to the light laser technical field, particularly multichain slab laser coherent control is total to aperture polarization synthetic method.
Background technology
Along with the fast development of semiconductor laser technique and the significantly lifting of semiconductor laser device performance; All solid state laser has been obtained significant development, and derives the laser of different structures such as pole laser, slab laser, thin-sheet laser, fiber laser, capacitance laser.Owing to receive the restriction of factors such as stability, thermal effect, laser medium self character, the separate unit all solid state laser is difficult to obtain hundred kilowatts laser output.Being concerned with multichannel mid power laser synthetic is a kind of effective ways that solve above-mentioned bottleneck.Researcher's theory analysis of U.S. Northrop Grumman company shows that fiber laser and slab laser can be with hundred kilowatts of high power laser lights outputs of heat management realization comparatively easily.2009, the researcher of the said firm as seed source, utilized the active phase control to realize that 7 tunnel myriawatt level lath lasers are relevant synthetic with optical-fiber laser, and power output reaches 105.5kW.This is the highest average output power of all-solid state laser up to now, has milestone inthe in the light laser technical field.But traditional relevant synthetic schemes mostly based on the aperture splicing technology, causes the far field energy to disperse to other spot, has reduced the beam quality and the encircled energy of synthetic light beam.With the Northrop Grumman 105.5kW of company synthetic schemes is example; Increase along with synthetic way; It is fewer and feweri that power in the synthetic light beam main lobe accounts for the ratio of gross power; 105.5kW laser main lobe power only accounts for 11% of gross power, the brightness and the indifference of its brightness and a 12kW single mode fiber laser.The brightness how further to improve synthetic light beam is the problem that the researcher explores always.Utilizing relevant synthetic technology and aperture filling technique simultaneously, the laser of each road mid power is synthesized beam of laser output, is one of feasible way of all solid state laser realization high power and high light beam quality.Utilize relevant synthetic technology to realize that hundred kilowatts technological difficulties are the improvement of single channel power ascension, way expansion, beam quality.The power output of slab laser is more than the Da Wanwa level, and its output beam characteristic satisfies relevant synthetic needs, therefore caused domestic and international researcher's extensive concern.But the output beam of slab laser has its weak point at present, is mainly reflected in: (1) owing to the influence of factors such as thermal effect, the beam quality of single slab laser awaits further improvement; (2) synthetic light beam does not carry out the aperture filling, and there is certain duty ratio in synthetic hot spot in the near field, cause the far field energy to disperse to other spot, and the beam quality of therefore synthetic back light beam need further promote.Consideration based on above-mentioned factor; Comprehensive unit light beam purification techniques of the present invention; Designed a kind ofly, utilized altogether aperture polarization synthetic technology of coherent control, realized high mean flow rate, the innovative techniques scheme of aperture laser output altogether based on multilink lath Solid State Laser amplifier.
Summary of the invention
The present invention is based on main oscillations power amplification structure (MOPA); Utilize unit light beam cleaning system that the wavefront that amplifies each road light beam of back is purified; Utilize coherent control aperture polarization synthetic technology altogether; Avoid the synthetic energy of traditional coherent to the problem that other spot disperses, realize high mean flow rate, aperture laser output altogether.
Technical solution of the present invention is:
Whole system comprises: seed source 1, preparatory amplification module 2, beam splitter array 3, phase-modulator 4, one-level amplification module 5, spacer array 6, lath amplifier module 7, unit light beam cleaning module 8, synthesis module 9, synthetic back light beam cleaning module 10, synthetic beam treatment module 11, photodetection module 12, signal processing module 13.
Implementation procedure of the present invention is following:
The light of laser seed source 1 output amplifies through preparatory amplification module 2, is divided into the N bundle after getting into beam splitter array 3 then; The light that comes out from beam splitter array 3 gets into one-level amplification module 5 through phase-modulator 4; Each road light beam is amplified into spacer array 6 through one-level amplification module 5, injects lath amplifier module 7 subsequently; 7 pairs of each road light beams of lath amplifier module carry out multistage amplification, make each road luminous power reach necessary requirement; The light beam that comes out from lath amplifier module 7 gets into unit Beam Wave-Front cleaning module 8 each road laser beam of correction because the wavefront distortion that factors such as thermal effect cause; Every road light beam is purified laggardly to go into light beam synthesis module 9 and will participate in synthetic light beam and synthesize beam of laser output.Light beam after synthetic carries out the wavefront distortion that double purification causes with Tc, synthesis module etc. through light beam cleaning module 10; Synthetic light beam is through purifying the synthetic beam treatment module 11 of laggard mistake, is used to survey the power, hot spot distribution, beam quality of output light etc.; Very fraction light changes light signal into signal of telecommunication entering signal processing module 13 through photodetection module 12; The input signal that 13 pairs of photodetection modules 12 of signal processing module provide is handled, and phase control signal is transported to phase-modulator 4 phase place of each road light beam is modulated, and realizes the closed-loop control of whole system.Photodetection module 12, signal processing module 13 and phase-modulator 4 comprehensive functions are controlled the phase difference of each road light beam, make whole system realize high efficiency stable output.
This method comprises unit light beam purification techniques, Phase Lock Technique, is total to the aperture polarization control technology;
This method amplifier section adopts slab laser, and prime is put in advance with the one-level amplifier section and adopted fiber laser; Initiatively phase control method can be single dithering or SPGD method; The synthetic way of this method can be extended to multichannel.
Described laser seed source 1 is a narrow linewidth laser, can be fiber laser or solid state laser; 2 pairs of seed source light beams of described preparatory amplification module amplify, and used amplifier is a fiber amplifier; Described beam splitter array 3 is divided into the N bundle to the light beam of amplification module 2 outputs in advance, and used beam splitter is a fiber optic splitter; Described phase-modulator module 4 is controlled the phase difference between each road light beam according to the phase modulated signal that signal processing module 13 applies, and used phase-modulator can be LiNbO
3Or piezoelectric ceramic phase; Spacer array 6 is isolating devices such as faraday rotator, prevents that light echo from breaking the prime device; 7 pairs of each road light beams of lath amplifier module amplify, and its inside is multistage structure for amplifying, and can comprise the beam shaping system; Light can be that single amplifies in the lath amplifier, also can be repeatedly to amplify repeatedly; Seed source 1 in the above system configuration, preparatory amplification module 2, beam splitter array 3, phase-modulator 4, one-level amplification module 5, spacer array 6, lath amplifier module 7 all have polarization and keep function.
Each road light beam after 8 pairs of amplifications of unit light beam cleaning module purifies, the wavefront distortion that proofread and correct because heat etc. causes; Its implementation is identical with traditional method; Its concrete implementation has multiple, such as SPGD method, simulated annealing etc.; The light beam that synthesis module 9 utilizes coherent control to be total to after aperture polarization composition principle purifies each road synthesizes a branch of; 10 are synthetic back light beam cleaning module, are used for the light beam after synthetic is carried out wavefront optimization; After 10, synthetic back light beam gets into power that synthetic beam treatment module 11 is used to survey synthetic light beam, hot spot distributions, beam quality etc., and seldom part light entering photodetection module 12; Light intensity signal after photodetection module 12 will be synthesized changes voltage signal into; The voltage signal that signal processing module 13 provides photodetection module 12 changes the control signal of phase-modulator module 4 afterwards into through processing; In hundred kilowatts of strong laser systems of Northrop Grumman company, the signal processing algorithm of its use is many ditherings, will use optimized Algorithm such as single-frequency dithering, SPGD method to lock control mutually in our design.In the present invention program, synthesis module 9 is core contents of protection with signal processing module 13.
The present invention comprises following technique effect:
1, the invention provides a kind of method that realizes high power, high stability, the output of high light beam quality laser; The method comprises three core technologies: unit light beam purification techniques, Phase Lock Technique, common aperture polarization control technology;
2, main amplifier section provided by the invention adopts slab laser, and prime is put in advance with the one-level amplifier section and adopted fiber laser;
3, initiatively phase control method can be single dithering, SPGD method etc.;
4, the synthetic way of this method can be extended to multichannel.
Description of drawings
Fig. 1 is a system configuration principle schematic of the present invention,
Fig. 2 is the octuple lath amplifier coherent control synthetic sketch map of aperture polarization altogether,
Fig. 3 is a beam splitting inside modules structural representation among Fig. 2.
Embodiment:
Among Fig. 1, the 1st, seed source, 2 is preparatory amplification module, the 3rd, beam splitter array, the 4th, phase-modulator, the 5th, one-level amplification module, the 6th, spacer array, the 7th, lath amplifier module, the 8th, unit light beam cleaning module, the 9th, synthesis module, the 10th, synthetic back light beam cleaning module, the 11st, synthetic beam treatment module, the 12nd, photodetection module, the 13rd, signal processing module.
Among Fig. 2, the 1st, seed source, 2 is a preparatory amplification module, the 3rd, beam splitter array, the 4th, phase-modulator, the 5th, one-level amplification module, the 6th, spacer array, the 71st, total reflective mirror I, the 72nd, lath amplifier array, the 81st, beam splitting module I, the 82nd, detection and control module, 83 are distorting lens I, the 91st, total reflective mirror II, the 92nd, half-wave plate, the 93rd, polarization beam combiner, the 101st, beam splitting module II, 102 is that total reflective mirror III, 103 is that beam splitting module III, 104 is that acquisition of signal and processing module, 105 are that distorting lens II, 111 is that splitter module IV, 112 is that total reflective mirror IV, 113 is that power meter, 114 is that hot spot analyzer, 12 is that photodetector, 13 is a signal processing module.
Among Fig. 3, the 71st, total reflective mirror, the 73rd, high reflective mirror.
This method realizes that with the octuple slab laser hundred kilowatts process is the implementation procedure of example explanation whole proposal, and whole system can expand to multichannel.The light of laser seed source 1 output amplifies through the preparatory amplification module 2 of fiber amplifier, is divided into 8 bundles after getting into 1:8 beam splitter array 3 then; The light that comes out from beam splitter array 3 gets into one-level optic fiber amplifying module 5 through phase-modulator 4; Each road light beam is amplified into spacer array 6 through one-level amplification module 5, injects lath amplifier array 72 subsequently; Containing the beam shaping parts in the lath amplifier, is rectangular light beam with the Gauss beam reshaping of incident; 72 pairs of each road light beams of lath amplifier array carry out multistage amplification; Get to above the distorting lens 83 from light beam process total reflective mirror I 71 entering that lath amplifier array 72 comes out, get into beam splitting module I 81 then; To wavefront signals detection and processing module 82, wavefront signals detection and processing module 82 control distorting lens I 83 are used to proofread and correct each road laser beam because the wavefront distortion that factors such as thermal effect cause beam splitting module I with the sub-fraction transmittance; Most of reverberation through beam splitting module I 81 gets into polarization beam combiner 93.Wherein 91 is that total reflective mirror II, 92 is half-wave plate.Generally speaking, if do not have association between the phase place between the two bunch polarised lights, the phase place of the light beam after they are rotated on the polarization beam combiner 93 when synthetic through half-wave plate 92, are synthetic is indefinite, and therefore, the light beam after synthetic is an elliptically polarized light at random.This elliptically polarized light is through the next stage polarization beam combiner time, and portion of energy will be lost, and makes that the expansion of whole system is limited.Be locked as n π (n is an integer) if can will participate in the phase difference of synthetic two-way orthogonal polarized light beam; Light beam after promptly synthetic is a linearly polarized light; Linearly polarized light after synthetic is regulated polarization state through half-wave plate; Can restraint the vertical linearly polarized light in polarization direction with another again and synthesize, thus synthetic output the in common aperture of realizing the multichannel light beam.Can know that through above analysis synthesis module can be restrainted photosynthetic a branch of output that becomes with eight of incident.Do not locking phase time, having portion of energy and reveal; After phase-locked system was set up and implemented, whole system was in the closed loop state, the utilization of octuple light beam is total to the aperture Polarization Control synthesizes beam of laser output.After the light beam process beam splitting module II 101 after synthetic, be injected into above the distorting lens II 105 after most of light process total reflective mirror III 102, very fraction light changes light signal into signal of telecommunication entering signal processing module 13 through photodetection module 12; Through the light beam of distorting lens II 105 through beam splitting module III 103 after, sub-fraction light feeds back to acquisition of signal and processing module 104 is used to control distorting lens II 105, beam treatment module 11 is synthesized in most of light entering.Splitter module IV 111 is injected into power meter 113 with the synthetic light beam of major part, and seldom part light gets into hot spot analyzer 114 through total reflective mirror IV 112 and observes hot spot distribution and beam quality; The input signal that 13 pairs of photodetection modules 12 of signal processing module provide is handled, and phase control signal is transported to phase modulated module 4, and the phase place of each road light beam is modulated, and realizes the closed-loop control of whole system.Photodetection module 12, signal processing module 13 and 4 comprehensive functions of phase modulated module are controlled the phase difference of each road light beam, make whole system realize high efficiency stable output.
Claims (9)
1. multichain slab laser coherent control is total to aperture polarization synthetic method, it is characterized in that the implementation procedure of this method is following:
The light of laser seed source (1) output amplifies through preparatory amplification module (2), gets into then to be divided into N behind the beam splitter array (3) and to restraint; The light that comes out from beam splitter array (3) gets into one-level amplification module (5) through phase-modulator (4); Each road light beam is amplified into spacer array (6) through one-level amplification module (5), injects lath amplifier module (7) subsequently; Lath amplifier module (7) carries out multistage amplification to each road light beam, makes each road luminous power reach necessary requirement; Proofread and correct each road laser beam because the wavefront distortion that factors such as thermal effect cause from the light beam entering unit Beam Wave-Front cleaning module (8) that lath amplifier module (7) comes out; Every road light beam is purified laggardly to go into light beam synthesis module (9) and will participate in synthetic light beam and synthesize beam of laser output; Light beam after synthetic carries out the wavefront distortion that double purification causes with Tc, synthesis module etc. through light beam cleaning module (10); Synthetic light beam is through purifying the synthetic beam treatment module (11) of laggard mistake, and power, the hot spot that is used to survey output light distributes, beam quality; Very fraction light changes light signal into signal of telecommunication entering signal processing module (13) through photodetection module (12); Signal processing module (13) is handled the input signal that photodetection module (12) provides, and phase control signal is transported to phase-modulator (4) phase place of each road light beam is modulated, and realizes the closed-loop control of whole system; Photodetection module (12), signal processing module (13) and phase-modulator (4) comprehensive function are controlled the phase difference of each road light beam, make whole system realize high efficiency stable output.
2. multichain slab laser coherent control according to claim 1 is aperture polarization synthetic method altogether, it is characterized in that, this method amplifier section adopts slab laser, and prime is put in advance with the one-level amplifier section and adopted fiber laser.
3. multichain slab laser coherent control according to claim 1 is aperture polarization synthetic method altogether, it is characterized in that, initiatively phase control method can be single dithering or SPGD method.
4. multichain slab laser coherent control according to claim 1 is aperture polarization synthetic method altogether, it is characterized in that the synthetic way of this method can be extended to multichannel.
5. multichain slab laser coherent control according to claim 1 is aperture polarization synthetic method altogether, it is characterized in that described laser seed source (1) is a narrow linewidth laser, can be fiber laser or solid state laser.
6. multichain slab laser coherent control according to claim 1 is aperture polarization synthetic method altogether, it is characterized in that described preparatory amplification module (2) amplifies the seed source light beam, and used amplifier is a fiber amplifier.
7. multichain slab laser coherent control according to claim 1 is aperture polarization synthetic method altogether, it is characterized in that, described beam splitter array (3) is divided into the N bundle to the light beam of preparatory amplification module (2) output, and used beam splitter is a fiber optic splitter.
8. multichain slab laser coherent control according to claim 1 is aperture polarization synthetic method altogether; It is characterized in that; Described phase-modulator (4) is controlled the phase difference between each road light beam according to the phase modulated signal that signal processing module (13) applies, and used phase-modulator can be LiNbO
3Or piezoelectric ceramic phase; Said spacer array (6) is the faraday rotator isolating device, prevents that light echo from breaking the prime device; Said lath amplifier module (7) amplifies each road light beam, and its inside is multistage structure for amplifying, and can comprise the beam shaping system; Light can be that single amplifies in the lath amplifier, also can be repeatedly to amplify repeatedly.
9. multichain slab laser coherent control according to claim 1 is aperture polarization synthetic method altogether; It is characterized in that said laser seed source (1), preparatory amplification module (2), beam splitter array (3), phase-modulator (4), one-level amplification module (5), spacer array (6), lath amplifier module (7) all have polarization and keep function.
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Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103033944A (en) * | 2012-12-04 | 2013-04-10 | 广东汉唐量子光电科技有限公司 | Polarization beam-combination device for pulsed laser |
| CN103199434A (en) * | 2013-03-04 | 2013-07-10 | 中国科学院长春光学精密机械与物理研究所 | Method achieving semiconductor laser coherent polarization synthesis |
| CN103219651A (en) * | 2013-03-04 | 2013-07-24 | 中国科学院长春光学精密机械与物理研究所 | Semiconductor laser light source based on coherent polarization synthetic technology |
| CN109713555A (en) * | 2019-03-14 | 2019-05-03 | 中国科学院理化技术研究所 | A kind of amplification laser Incoherent beam combining device of aperture lath altogether |
| CN109818247A (en) * | 2019-01-30 | 2019-05-28 | 中国人民解放军国防科技大学 | Coherent combination phase control method and system for laser array |
| CN113330651A (en) * | 2019-01-22 | 2021-08-31 | 相干公司 | Diode-pumped solid-state laser device for laser annealing |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101320190A (en) * | 2008-07-14 | 2008-12-10 | 哈尔滨工业大学 | Colinear serial beam combination apparatus based on stimulated Brillouin scattering |
| CN101364700A (en) * | 2008-09-27 | 2009-02-11 | 哈尔滨工业大学（威海） | Four-path incoherent co-beam MOPA high-capacity laser system |
| JP2010226096A (en) * | 2009-02-27 | 2010-10-07 | Komatsu Ltd | Laser device and extreme ultraviolet light source device |
| CN102244362A (en) * | 2011-06-14 | 2011-11-16 | 西北大学 | Three-level multi-channel principal oscillation-power amplification coherent compound myriawatt-level optical fiber laser |
| JP2011243832A (en) * | 2010-05-20 | 2011-12-01 | Miyachi Technos Corp | Fiber laser processing device |
-
2012
- 2012-07-30 CN CN201210268593.0A patent/CN102801106B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101320190A (en) * | 2008-07-14 | 2008-12-10 | 哈尔滨工业大学 | Colinear serial beam combination apparatus based on stimulated Brillouin scattering |
| CN101364700A (en) * | 2008-09-27 | 2009-02-11 | 哈尔滨工业大学（威海） | Four-path incoherent co-beam MOPA high-capacity laser system |
| JP2010226096A (en) * | 2009-02-27 | 2010-10-07 | Komatsu Ltd | Laser device and extreme ultraviolet light source device |
| JP2011243832A (en) * | 2010-05-20 | 2011-12-01 | Miyachi Technos Corp | Fiber laser processing device |
| CN102244362A (en) * | 2011-06-14 | 2011-11-16 | 西北大学 | Three-level multi-channel principal oscillation-power amplification coherent compound myriawatt-level optical fiber laser |
Non-Patent Citations (3)
| Title |
|---|
| 刘泽金，等: "主动相位控制光纤激光相干合成的研究", 《中国激光》 * |
| 刘泽金，等: "激光相干合成的研究进展", 《中国激光》 * |
| 马鹏飞: "激光相干偏振光束合成技术的研究进展", 《激光与光电子学进展》 * |
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103033944A (en) * | 2012-12-04 | 2013-04-10 | 广东汉唐量子光电科技有限公司 | Polarization beam-combination device for pulsed laser |
| CN103199434A (en) * | 2013-03-04 | 2013-07-10 | 中国科学院长春光学精密机械与物理研究所 | Method achieving semiconductor laser coherent polarization synthesis |
| CN103219651A (en) * | 2013-03-04 | 2013-07-24 | 中国科学院长春光学精密机械与物理研究所 | Semiconductor laser light source based on coherent polarization synthetic technology |
| CN113330651A (en) * | 2019-01-22 | 2021-08-31 | 相干公司 | Diode-pumped solid-state laser device for laser annealing |
| CN109818247A (en) * | 2019-01-30 | 2019-05-28 | 中国人民解放军国防科技大学 | Coherent combination phase control method and system for laser array |
| CN109818247B (en) * | 2019-01-30 | 2020-01-24 | 中国人民解放军国防科技大学 | Coherent combination phase control method and system for laser array |
| CN109713555A (en) * | 2019-03-14 | 2019-05-03 | 中国科学院理化技术研究所 | A kind of amplification laser Incoherent beam combining device of aperture lath altogether |
| CN109713555B (en) * | 2019-03-14 | 2020-07-03 | 中国科学院理化技术研究所 | Common-aperture lath amplification laser incoherent synthesis device |
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