CN103311790A - Self-adaptive optical fiber coupler or collimator control system capable of bilaterally receiving and transmitting laser beams - Google Patents
Self-adaptive optical fiber coupler or collimator control system capable of bilaterally receiving and transmitting laser beams Download PDFInfo
- Publication number
- CN103311790A CN103311790A CN2013101612227A CN201310161222A CN103311790A CN 103311790 A CN103311790 A CN 103311790A CN 2013101612227 A CN2013101612227 A CN 2013101612227A CN 201310161222 A CN201310161222 A CN 201310161222A CN 103311790 A CN103311790 A CN 103311790A
- Authority
- CN
- China
- Prior art keywords
- optical fiber
- fiber
- laser
- coupling
- control system
- Prior art date
- 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.)
- Granted
Links
- 239000013307 optical fiber Substances 0.000 title claims abstract description 84
- 238000010168 coupling process Methods 0.000 claims abstract description 52
- 238000005859 coupling reaction Methods 0.000 claims abstract description 51
- 230000008878 coupling Effects 0.000 claims abstract description 50
- 239000000463 material Substances 0.000 claims abstract description 14
- 238000013016 damping Methods 0.000 claims abstract description 11
- 239000000835 fiber Substances 0.000 claims description 84
- 230000003044 adaptive effect Effects 0.000 claims description 30
- 230000002457 bidirectional effect Effects 0.000 claims description 16
- 230000003287 optical effect Effects 0.000 claims description 12
- 239000013078 crystal Substances 0.000 claims description 9
- 230000005540 biological transmission Effects 0.000 claims description 5
- 230000009194 climbing Effects 0.000 claims description 5
- 230000035939 shock Effects 0.000 claims description 5
- 230000010287 polarization Effects 0.000 claims description 4
- 238000000034 method Methods 0.000 claims description 3
- 229920002379 silicone rubber Polymers 0.000 claims description 3
- 239000000919 ceramic Substances 0.000 claims description 2
- 238000003780 insertion Methods 0.000 claims description 2
- 230000037431 insertion Effects 0.000 claims description 2
- 229910052751 metal Inorganic materials 0.000 claims description 2
- 239000002184 metal Substances 0.000 claims description 2
- 239000004038 photonic crystal Substances 0.000 claims description 2
- 238000005498 polishing Methods 0.000 claims description 2
- 239000012260 resinous material Substances 0.000 claims description 2
- 239000004065 semiconductor Substances 0.000 claims description 2
- 238000003466 welding Methods 0.000 claims description 2
- 238000004891 communication Methods 0.000 abstract description 6
- 238000012937 correction Methods 0.000 abstract description 4
- 238000005516 engineering process Methods 0.000 description 7
- 239000007788 liquid Substances 0.000 description 4
- 230000001427 coherent effect Effects 0.000 description 3
- 230000000694 effects Effects 0.000 description 3
- 238000013461 design Methods 0.000 description 2
- 230000001360 synchronised effect Effects 0.000 description 2
- 241000931526 Acer campestre Species 0.000 description 1
- 229910000737 Duralumin Inorganic materials 0.000 description 1
- 229910001069 Ti alloy Inorganic materials 0.000 description 1
- 239000000956 alloy Substances 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 238000000227 grinding Methods 0.000 description 1
- 238000011160 research Methods 0.000 description 1
- 238000012795 verification Methods 0.000 description 1
Images
Abstract
The invention discloses a self-adaptive optical fiber coupler or collimator control system capable of bilaterally receiving and transmitting laser beams. The self-adaptive optical fiber coupler or collimator control system comprises a coupling or collimating lens, a connecting sleeve, an optical fiber end face positioner, a first optical fiber, a three-port optical fiber circulator, a second optical fiber, a third optical fiber, a laser, a photoelectric detector, a control platform and a high-voltage amplifier, wherein the optical fiber end face positioner comprises a flexible crossed beam, a bimorph driver, a damping material, a boss and a fixed seat. Due to the adoption of the self-adaptive optical fiber coupler or collimator control system, the light beam arriving angle errors caused by factors such as atmosphere turbulence, mechanical vibration, thermal distortion and the like can be corrected adaptively; and meanwhile, according to the reversibility principle of a light path, the transmitting angle correction of emitted collimating light beams is also realized. The self-adaptive optical fiber coupler or collimator control system has an important application prospect in the field of optical fiber-based laser space application, such as free space laser communication, laser precise positioning and laser radar.
Description
Technical field
The present invention relates to a kind of adaptive optic fiber coupling or collimater control system of laser beam bidirectional transmit-receive, can be used for free space laser communication, Laser Atmospheric Transmission, laser accurate location, laser radar etc. based on the space laser application of optical fiber.
Background technology
In the space laser system based on optical fiber, how to improve space optical coupling efficient, reduce signal to noise ratio, be to need one of key technical problem that solves.In fact, because the existence of atmospheric turbulence effect, mechanical platform vibrations and heat distortion, the laser beam that arrives receiving terminal can produce angular error, has greatly affected optical coupling efficiency.Simultaneously, the factors such as atmospheric turbulence effect, mechanical platform vibrations and heat distortion also can make the Emission Lasers bundle produce angular error, have affected the Laser emission precision.Therefore, how calibration of laser arrives a large difficult point in the space laser application technology that angular error and Laser emission angle error be based on optical fiber.
Chinese patent application [201110460843.6] " efficient space light-optical fiber coupling method " proposes to utilize the PID control circuit according to the driving voltage of the strong and weak dynamically control liquid crystalline phase level controller of surveying light signal, change the phase place of convergent beam, the coupling of realization high-efficiency dynamic, but the control precision of this system is not high, and there is inconvenience in the use of liquid crystalline phase level controller.2012, H.Takenaka etc. are by the control fast steering mirror, alleviate the beam angle errors that atmospheric turbulence effect causes, realized optical communication (H.Takenaka between the star ground of high coupling efficiency, M.Toyoshima, and Y.Takayama, " Experimental verification of fiber-coupling efficiency for satellite-to-ground atmospheric laser downlinks; " Optics Express20,15301-15308 (2012)), but owing to having used inclined mirror, the structure of system is comparatively complicated, and dynamic characteristic is relatively poor.2005 and 2011, the people such as the L.Beresnev (L.A.Beresnev of AUS research laboratory, and M.A.Vorontsov, " Design of adaptive fiber optics collimator for free-space communication laser transceiver; " Proc.SPIE5895,58950R (2005)) and the honest and just superfine people (C.Geng of Photoelectric Technology Inst., Chinese Academy of Sciences, X.Li, X.Zhang, and C.Rao, " Coherent beam combination of an optical array using adaptive fiber optics collimators; " Optics Communications284,5531-5536 (2011)) independently developed respectively a kind of adaptive optical fibre source collimater (Adaptive fiber-optics collimator that is called, AFOC) device, this device can accurately be controlled the deflection angle of outgoing collimated light beam adaptively in small angle range.Adaptive optical fibre source collimater, liquid crystalline phase level controller and fast steering mirror can both be realized the deflection control to laser beam.Compare with fast steering mirror with the liquid crystalline phase level controller, adaptive optical fibre source collimater directly drives fiber end face, and motional inertia is little, and mechanical resonant frequency is high, and compact conformation is conducive to array integrated.According to the reversibility pricinple of light path, adaptive optical fibre source collimater has possessed the possibility that realizes the adaptive optic fiber coupling.
To sum up, current still do not possess a kind of technology that realizes that adaptively synchronously coupling of laser beam and collimation are launched, and prior art exists weak point separately at aspects such as control precision, dynamic range, system configurations.
Summary of the invention
Technology of the present invention is dealt with problems and is: overcome the deficiencies in the prior art, a kind of adaptive optic fiber coupling or collimater control system of laser beam bidirectional transmit-receive are provided, the coupled light beam that causes because of factors such as atmospheric turbulance disturbance, mechanical shock, heat distortion be can proofread and correct adaptively and angular error and outgoing collimated light beam emission angle error arrived, realization is proofreaied and correct the synchronous self-adapting that coupled light beam arrives angular error and collimated light beam emission angle error, improves laser coupled efficient and the Laser emission precision of system.
Technical solution of the present invention is: a kind of adaptive optic fiber coupling or collimater control system of laser beam bidirectional transmit-receive comprise coupling or collimating lens, branch sleeve, location for optical fiber surface device, the first optical fiber, three fiber port circulators, the second optical fiber, the 3rd optical fiber, laser, photodetector, control platform and high-voltage amplifier.Wherein, the location for optical fiber surface device comprises again flexible rood beam, double piezoelectric crystal chip driver, damping material, boss and holder, one end of two pairs of double piezoelectric crystal chip drivers be connected to holder around, the other end is connected with flexible rood beam, the center of flexible rood beam is provided with centre bore, and the first optical fiber is fixed in the centre bore of flexible rood beam after passing successively holder, boss.Coupling or collimating lens are embedded in an end of branch sleeve, the location for optical fiber surface device is fixed in the other end of branch sleeve, the fiber end face at flexible rood beam place places the back focus position of coupling or collimating lens, the location for optical fiber surface device is connected through the transmitted in both directions port of the first optical fiber with three fiber port circulators, the unidirectional input port of three fiber port circulators is connected with laser through the second optical fiber, and the shoot laser of the unidirectional output port of three fiber port circulators is emitted to photodetector.The laser that laser sends transfers to the fiber end face at flexible rood beam place and from the fiber end face outgoing, collimates output behind coupling or collimating lens through three fiber port circulator.Arrive the laser beam of adaptive optic fiber coupling or collimater after coupling or collimating lens focusing, converge on the fibre core of flexible rood beam place fiber end face and be coupled in the first optical fiber, behind three fiber port circulators, receive from the 3rd optical fiber outgoing and by photodetector, the optical intensity voltage signal real-time Transmission that photodetector obtains is to controlling platform, control platform with the coupling light energy as Performance Evaluating Indexes, utilize control algolithm to produce control signal after high-voltage amplifier amplifies, drive double piezoelectric crystal chip driver, change the position of flexible rood beam place fiber end face on coupling or collimating lens back focal plane, initiatively follow the tracks of the convergent beam focus, proofreaied and correct adaptively because of atmospheric turbulance, mechanical shock, the light beam that the factors such as heat distortion cause arrives angular error, according to the reversibility pricinple of light path, realized that also the emission angle of outgoing collimated light beam is corrected simultaneously.
Described boss and damping material are used for improving the resonance characteristic of location for optical fiber surface device, and wherein boss has the various structures form, comprise stairstepping, slope shape, vertical shape and other version; Damping material can adopt silicon rubber, visco-elastic damping material, resinous material or other materials.
Described optical fiber can be the optical fiber of monomode fiber, single-mode polarization maintaining fiber, large mode field diameter doubly clad optical fiber, multimode fiber, photonic crystal fiber or other types.
Described flexible rood beam place fiber end face need be done the polishing milled processed and plate anti-reflection film, and when the high-power transmitting/receiving of laser, fiber end face can be done 8 degree angles or other angle grindings are processed; In reliability requirement high occasion or the high-power transmitting/receiving occasion of laser, flexible rood beam place optical fiber head can be embedded in ceramic insertion core, metal lock pin or other lock pins, or one section optical fiber cap of welding.
Described laser is a kind of laser with tail optical fiber output, can be fiber laser, semiconductor laser or other lasers.
Described control algolithm is controlled with the coupling light energy as Performance Evaluating Indexes, can adopt random paralleling gradient descent algorithm (C.Geng, X.Li, X.Zhang, and C.Rao, " Coherent beam combination of an optical array using adaptive fiber optics collimators; " Optics Communications284,5531-5536 (2011)), climbing method (Jiang Wenhan etc., " climbing adaptive optics wavefront correction system; " blind system optimizing control or other system optimizing control such as Chinese laser 15,17-21(1986)).
The present invention's advantage compared with prior art is:
(1) the present invention has realized the bidirectional transmit-receive of laser beam, and has realized coupled light beam is arrived the synchronous self-adapting correction of angular error and collimated light beam emission angle error, improves laser coupled efficient and the Laser emission precision of system.
(2) the present invention has adopted the beam angle errors aligning gear based on the location for optical fiber surface device, directly drives fiber end face, and control precision is high, and motional inertia is little, and mechanical resonant frequency is high, and compact conformation is conducive to array integrated.
(3) used based on the resonance characteristic of boss and damping material in the location for optical fiber surface device of the present invention and improved mechanism, improved the resonance frequency of device and the control bandwidth of system.
When (4) the present invention is based on three fiber port circulators, can realize the bidirectional transmit-receive of co-wavelength laser beam; If substitute three fiber port circulators with optical fibre wavelength division multiplexer, then can realize the bidirectional transmit-receive of multiple different wave length laser beam.
Description of drawings
Fig. 1 is the structure chart of adaptive optic fiber coupling of the present invention or collimater control system;
Fig. 2 is the structure chart of location for optical fiber surface device.
Embodiment
As shown in Figure 1 and Figure 2, be the structure chart of adaptive optic fiber coupling of the present invention or collimater control system, comprise coupling or collimating lens 1, branch sleeve 2, location for optical fiber surface device 3, the first optical fiber 41, three fiber port circulators 5, the second optical fiber 42, the 3rd optical fiber 43, laser 6, photodetector 7, algorithm control platform 8 and high-voltage amplifier 9.Wherein, the location for optical fiber surface device comprises again flexible rood beam 31, double piezoelectric crystal chip driver 32, damping material 33, boss 34 and holder 35, one end of two pairs of double piezoelectric crystal chip drivers 32 be connected to holder 35 around, the other end is connected with flexible rood beam 31, the center of flexible rood beam 31 is provided with centre bore, and the first optical fiber 41 is fixed in the centre bore of flexible rood beam 31 after passing successively holder 35, boss 34.
Such as Fig. 1, shown in Figure 2, coupling or collimating lens 1 are embedded in an end of branch sleeve 2, location for optical fiber surface device 3 is fixed in the other end of branch sleeve 2, the fiber end face at flexible rood beam 31 places places the back focus position of coupling or collimating lens 1, location for optical fiber surface device 3 is through the first optical fiber 41 and three fiber port circulator 5A ports, namely be that the transmitted in both directions port connects, three fiber port circulator 5B ports, namely be that unidirectional input port is connected with laser 6 through the second optical fiber 42, three fiber port circulator 5C ports namely are that the shoot laser of unidirectional output port is emitted to photodetector 7.
As shown in Figure 1 and Figure 2.The laser that laser 6 sends transfers to the fiber end face at flexible rood beam 31 places and from the fiber end face outgoing, collimates output behind coupling or collimating lens 1 through three fiber port circulator 5.Arrive the laser beam of adaptive optic fiber coupling or collimater after coupling or collimating lens 1 focusing, converge on the fibre core of flexible rood beam 31 place's fiber end faces and be coupled in the first optical fiber 41, behind three fiber port circulators 5, receive from 43 outgoing of the 3rd optical fiber and by photodetector 7, the optical intensity voltage signal real-time Transmission that photodetector 7 obtains is to controlling platform 8, control platform 8 with the coupling light energy as Performance Evaluating Indexes, utilize algorithm to produce control signal after high-voltage amplifier 9 amplifies, drive double piezoelectric crystal chip driver 32, change the position of flexible rood beam 31 place's fiber end faces on coupling or collimating lens 1 back focal plane, initiatively follow the tracks of the convergent beam focus, proofreaied and correct adaptively because of atmospheric turbulance, mechanical shock, the light beam that the factors such as heat distortion cause arrives angular error, according to the reversibility pricinple of light path, realized that also the emission angle of outgoing collimated light beam is corrected simultaneously.
Embodiment
Press Fig. 1, Fig. 2 structural design a kind of adaptive optic fiber coupling or collimater control system of laser beam bidirectional transmit-receive.Based on mould field matching theory, optical coupling efficiency o'clock is obtained maximum 81.45%(P.Winzer in Coupling parameter β=1.13, and W.Leeb, " Fiber coupling efficiency for random light and its applications to ladar; " Optics Letters23,986-988 (1998)).Wherein, coupling parameter is directly proportional with clear aperture, the optical fiber mode fields radius of coupling or collimating lens 1, is inversely proportional to focal length, the optical maser wavelength of coupling or collimating lens.Accordingly, in the embodiment of the invention, the first optical fiber 41, the second optical fiber 42 and the 3rd optical fiber 43 adopt single-mode polarization maintaining fiber, and the optical fiber mode fields radius is 5 μ m, and the wavelength of transmission laser is 1064nm; The clear aperture of coupling or collimating lens 1 is that 18mm, focal length are 120mm.At this moment, corresponding Coupling parameter β is 1.13.
The material of branch sleeve 2, location for optical fiber surface device holder 35, boss 34 is LY12 duralumin, flexible rood beam 31 is selected titanium alloy material, the version of boss 34 is stairstepping, damping material 33 is selected silicon rubber, three fiber port circulators 5 are developed by the vast space Fibre Optical Communication Technology in Shanghai company, model: PMCIR-06-1-2-C-0.5, laser 6 are 1064nm narrow linewidth single-mode polarization maintaining fiber laser.Location for optical fiber surface device 3 tail end optical fiber and three fiber port circulator 5A ports, namely be that the transmitted in both directions port connects, laser 6 tail optical fibers and three fiber port circulator 5B ports, namely be that unidirectional input port connects, three fiber port circulator 5C ports namely are that the shoot laser of unidirectional output port is emitted to photodetector 7.Control algolithm in the control platform 8 adopts random paralleling gradient descent algorithm, referring to C.Geng, X.Li, X.Zhang, and C.Rao, " Coherent beam combination of an optical array using adaptive fiber optics collimators, " Optics Communications284,5531-5536 (2011); Or the blind system optimizing control such as climbing method (Jiang Wenhan etc., " climbing adaptive optics wavefront correction system, " Chinese laser 15,17-21(1986)).
So far, the present invention has finished a kind of adaptive optic fiber coupling of laser beam bidirectional transmit-receive or the detailed description of collimater control system.
The present invention can proofread and correct adaptively the light beam that causes because of factors such as atmospheric turbulance, mechanical shock, heat distortion and arrive angular error, simultaneously according to the reversibility pricinple of light path, has realized that also the emission angle of outgoing collimated light beam is corrected.The present invention has important application prospect in the laser space application based on optical fiber such as free space laser communication, laser accurate location, laser radar etc.
The content that is not described in detail in the specification of the present invention belongs to those skilled in the art's known technology.
Claims (7)
1. the coupling of the adaptive optic fiber of a laser beam bidirectional transmit-receive or collimater control system is characterized in that comprising: coupling or collimating lens (1), branch sleeve (2), location for optical fiber surface device (3), the first optical fiber (41), three fiber port circulators (5), the second optical fiber (42), the 3rd optical fiber (43), laser (6), photodetector (7), control platform (8) and high-voltage amplifier (9); Wherein, location for optical fiber surface device (3) comprises again flexible rood beam (31), double piezoelectric crystal chip driver (32), damping material (33), boss (34) and holder (35), one end of two pairs of double piezoelectric crystal chip drivers (32) be connected to holder (35) around, the other end is connected with flexible rood beam (31), the center of flexible rood beam (31) is provided with centre bore, and the first optical fiber (41) is fixed in the centre bore of flexible rood beam (31) after passing successively holder (35), boss (34); Coupling or collimating lens (1) are embedded in an end of branch sleeve (2), location for optical fiber surface device (3) is fixed in the other end of branch sleeve (2), the fiber end face that flexible rood beam (31) is located places the back focus position of coupling or collimating lens (1), location for optical fiber surface device (3) is connected through the transmitted in both directions port of the first optical fiber (41) with three fiber port circulators (5), the unidirectional input port of three fiber port circulators (5) is connected with laser (6) through the second optical fiber (42), and the shoot laser of the unidirectional output port of three fiber port circulators (5) is emitted to photodetector (7); The laser that laser (6) sends transfers to fiber end face that flexible rood beam (31) locates and from the fiber end face outgoing through three fiber port circulators (5), collimation output behind coupling or collimating lens (1), arrive the laser beam of adaptive optic fiber coupling or collimater after coupling or collimating lens (1) focusing, converging at flexible rood beam (31) locates on the fibre core of fiber end face and is coupled in the first optical fiber (41), behind three fiber port circulators (5), receive from (43) outgoing of the 3rd optical fiber and by photodetector (7), the optical intensity voltage signal real-time Transmission that photodetector (7) obtains is to controlling platform (8), control platform (8) with the coupling light energy as Performance Evaluating Indexes, utilize control algolithm to produce control signal after high-voltage amplifier (9) amplifies, drive double piezoelectric crystal chip driver (32), change flexible rood beam (31) and locate the position of fiber end face on coupling or collimating lens (1) back focal plane, initiatively follow the tracks of the convergent beam focus, proofreaied and correct adaptively because of atmospheric turbulance, mechanical shock, the light beam that the factors such as heat distortion cause arrives angular error, according to the reversibility pricinple of light path, realized that also the emission angle of outgoing collimated light beam is corrected simultaneously.
2. the coupling of the adaptive optic fiber of a kind of laser beam bidirectional transmit-receive according to claim 1 or collimater control system is characterized in that: described damping material (33) employing silicon rubber, visco-elastic damping material, resinous material or other materials.
3. the adaptive optic fiber of a kind of laser beam bidirectional transmit-receive according to claim 1 is coupled or the collimater control system, it is characterized in that: described boss (34) is stairstepping, slope shape and vertical shape.
4. the adaptive optic fiber of a kind of laser beam bidirectional transmit-receive according to claim 1 is coupled or the collimater control system, it is characterized in that: described the first optical fiber (41), the second optical fiber (42) and the 3rd optical fiber (43) are monomode fiber, single-mode polarization maintaining fiber, large mode field diameter doubly clad optical fiber, multimode fiber or photonic crystal fiber.
5. the adaptive optic fiber of a kind of laser beam bidirectional transmit-receive according to claim 1 is coupled or the collimater control system, it is characterized in that: described flexible rood beam (31) is located fiber end face and need be done the polishing milled processed and plate anti-reflection film; When the high-power emission of laser or reception, flexible rood beam (31) locates to do 8 degree angle milled processed; In the high-power emission of laser or reception occasion, flexible rood beam (31) is located optical fiber head and can be embedded in ceramic insertion core or the metal lock pin, or one section optical fiber cap of welding.
6. the adaptive optic fiber of a kind of laser beam bidirectional transmit-receive according to claim 1 is coupled or the collimater control system, it is characterized in that: described laser (6) is a kind of laser with tail optical fiber output, can be fiber laser, semiconductor laser.
7. the adaptive optic fiber of a kind of laser beam bidirectional transmit-receive according to claim 1 is coupled or the collimater control system, it is characterized in that: the control algolithm of described control platform (8) adopts the blind system optimizing control that comprises random paralleling gradient descent algorithm or climbing method.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310161222.7A CN103311790B (en) | 2013-05-03 | 2013-05-03 | A kind of adaptive optic fiber coupling of laser beam bidirectional transmit-receive or collimator control system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310161222.7A CN103311790B (en) | 2013-05-03 | 2013-05-03 | A kind of adaptive optic fiber coupling of laser beam bidirectional transmit-receive or collimator control system |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN103311790A true CN103311790A (en) | 2013-09-18 |
| CN103311790B CN103311790B (en) | 2016-03-02 |
Family
ID=49136723
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201310161222.7A Active CN103311790B (en) | 2013-05-03 | 2013-05-03 | A kind of adaptive optic fiber coupling of laser beam bidirectional transmit-receive or collimator control system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN103311790B (en) |
Cited By (19)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103519902A (en) * | 2013-10-28 | 2014-01-22 | 杭州三坛医疗科技有限公司 | Noninvasive type real-time surgery positioning and navigating equipment |
| CN104034434A (en) * | 2014-06-19 | 2014-09-10 | 中国科学院光电技术研究所 | Wavefront phase sensor based on self-adaptive optical fiber coupler array |
| CN104503042A (en) * | 2015-01-06 | 2015-04-08 | 中国科学院光电技术研究所 | Space laser beam fiber coupling efficiency optimization method capable of overcoming atmosphere turbulence |
| CN104954070A (en) * | 2015-06-15 | 2015-09-30 | 中国科学院光电技术研究所 | Self-adaptive optical fiber array type laser transmit-receive system used for spatial coherent light communication |
| CN105629403A (en) * | 2016-01-11 | 2016-06-01 | 中国科学院光电技术研究所 | Rapid control reflector fiber coupling alignment device based on coupling efficiency optimization |
| CN107707308A (en) * | 2017-09-26 | 2018-02-16 | 长春理工大学 | High reliability space division multiplexing laser communication antenna under the conditions of dynamic rotary |
| CN107884783A (en) * | 2017-12-11 | 2018-04-06 | 北京空间机电研究所 | A kind of fiber optical circulator for all-fiber coherent anemometry laser radar system |
| CN109728855A (en) * | 2019-02-27 | 2019-05-07 | 中国科学院光电技术研究所 | Two-way same frequency band adaptive optical lasers communication optics terminal |
| CN109844679A (en) * | 2016-10-11 | 2019-06-04 | X开发有限责任公司 | Optical circulator for free space optical communication |
| CN109883542A (en) * | 2019-03-29 | 2019-06-14 | 中国科学院长春光学精密机械与物理研究所 | No Wavefront detecting expands the laser beam expanding transmission method and system of optical path compensation |
| CN110018563A (en) * | 2019-03-29 | 2019-07-16 | 中国科学院长春光学精密机械与物理研究所 | The laser beam expanding Transmission system for expanding optical path compensation and method based on self-reflection light |
| CN110261967A (en) * | 2019-05-31 | 2019-09-20 | 西安理工大学 | A kind of device and method of room for promotion light-fiber array coupling efficiency |
| CN110702208A (en) * | 2019-10-11 | 2020-01-17 | 天津大学 | Optical fiber bundle type blade tip timing sensor based on self-focusing lens |
| CN111865417A (en) * | 2019-04-24 | 2020-10-30 | 南京航星通信技术有限公司 | Satellite-ground satellite laser communication terminal facing cube star |
| CN113985420A (en) * | 2021-12-28 | 2022-01-28 | 四川吉埃智能科技有限公司 | Method for compensating scanning light path error of laser radar inclined by 45 degrees |
| CN114400500A (en) * | 2021-12-28 | 2022-04-26 | 中国科学院光电技术研究所 | Laser external modulation transverse mode generating device |
| CN114755770A (en) * | 2022-05-16 | 2022-07-15 | 江苏镭创高科光电科技有限公司 | Automatic dimming system and dimming method of laser coupling optical fiber |
| US11405106B2 (en) | 2019-01-10 | 2022-08-02 | Deutsches Zentrum für Luft- und Raumfahrt e.V. | Setup for receiving an optical data signal |
| CN112909723B (en) * | 2021-01-15 | 2023-09-19 | 中国科学院光电技术研究所 | Large dynamic laser emission device for space intersection butt joint |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2001091256A2 (en) * | 2000-05-19 | 2001-11-29 | Hrl Laboratories, Llc | Phase control mechanism for coherent fiber amplifier arrays |
| US8041161B1 (en) * | 2008-07-09 | 2011-10-18 | The United States Of America As Represented By The Secretary Of The Air Force | Adaptive photonic coupler |
| CN102520557A (en) * | 2011-12-29 | 2012-06-27 | 西安空间无线电技术研究所 | Efficient space light-optical fiber coupling method |
-
2013
- 2013-05-03 CN CN201310161222.7A patent/CN103311790B/en active Active
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2001091256A2 (en) * | 2000-05-19 | 2001-11-29 | Hrl Laboratories, Llc | Phase control mechanism for coherent fiber amplifier arrays |
| US8041161B1 (en) * | 2008-07-09 | 2011-10-18 | The United States Of America As Represented By The Secretary Of The Air Force | Adaptive photonic coupler |
| CN102520557A (en) * | 2011-12-29 | 2012-06-27 | 西安空间无线电技术研究所 | Efficient space light-optical fiber coupling method |
Non-Patent Citations (2)
| Title |
|---|
| CHAO GENG ET AL.: "Coherent beam combination of an optical array using adaptive fiber optics collimators", 《OPTICS COMMUNICATIONS》, vol. 284, no. 24, 1 December 2011 (2011-12-01), pages 5531 - 5536, XP028309753, DOI: 10.1016/j.optcom.2011.08.069 * |
| 钟平等: "一种新型光纤准直器封装方法", 《光电子.激光》, vol. 18, no. 7, 31 July 2007 (2007-07-31), pages 882 - 885 * |
Cited By (29)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103519902B (en) * | 2013-10-28 | 2015-09-09 | 杭州三坛医疗科技有限公司 | Noninvasive type real-time surgery positioning navigating device |
| CN103519902A (en) * | 2013-10-28 | 2014-01-22 | 杭州三坛医疗科技有限公司 | Noninvasive type real-time surgery positioning and navigating equipment |
| CN104034434A (en) * | 2014-06-19 | 2014-09-10 | 中国科学院光电技术研究所 | Wavefront phase sensor based on self-adaptive optical fiber coupler array |
| CN104034434B (en) * | 2014-06-19 | 2017-12-26 | 中国科学院光电技术研究所 | A kind of Wave-front phase sensor based on adaptive optic fiber coupler array |
| CN104503042B (en) * | 2015-01-06 | 2016-08-24 | 中国科学院光电技术研究所 | A kind of space laser bundle optical coupling efficiency optimization method overcoming atmospheric turbulance |
| CN104503042A (en) * | 2015-01-06 | 2015-04-08 | 中国科学院光电技术研究所 | Space laser beam fiber coupling efficiency optimization method capable of overcoming atmosphere turbulence |
| CN104954070A (en) * | 2015-06-15 | 2015-09-30 | 中国科学院光电技术研究所 | Self-adaptive optical fiber array type laser transmit-receive system used for spatial coherent light communication |
| CN104954070B (en) * | 2015-06-15 | 2017-04-26 | 中国科学院光电技术研究所 | Self-adaptive optical fiber array type laser transmit-receive system used for spatial coherent light communication |
| CN105629403A (en) * | 2016-01-11 | 2016-06-01 | 中国科学院光电技术研究所 | Rapid control reflector fiber coupling alignment device based on coupling efficiency optimization |
| CN109844679A (en) * | 2016-10-11 | 2019-06-04 | X开发有限责任公司 | Optical circulator for free space optical communication |
| US10992379B2 (en) | 2016-10-11 | 2021-04-27 | X Development Llc | Optical circulator for free space optical communication |
| CN107707308A (en) * | 2017-09-26 | 2018-02-16 | 长春理工大学 | High reliability space division multiplexing laser communication antenna under the conditions of dynamic rotary |
| CN107707308B (en) * | 2017-09-26 | 2019-10-11 | 长春理工大学 | High reliability space division multiplexing laser communication antenna under the conditions of dynamic rotary |
| CN107884783A (en) * | 2017-12-11 | 2018-04-06 | 北京空间机电研究所 | A kind of fiber optical circulator for all-fiber coherent anemometry laser radar system |
| US11405106B2 (en) | 2019-01-10 | 2022-08-02 | Deutsches Zentrum für Luft- und Raumfahrt e.V. | Setup for receiving an optical data signal |
| CN109728855A (en) * | 2019-02-27 | 2019-05-07 | 中国科学院光电技术研究所 | Two-way same frequency band adaptive optical lasers communication optics terminal |
| CN109728855B (en) * | 2019-02-27 | 2024-04-02 | 中国科学院光电技术研究所 | Bidirectional same-frequency-band self-adaptive optical laser communication optical terminal |
| CN110018563A (en) * | 2019-03-29 | 2019-07-16 | 中国科学院长春光学精密机械与物理研究所 | The laser beam expanding Transmission system for expanding optical path compensation and method based on self-reflection light |
| CN109883542A (en) * | 2019-03-29 | 2019-06-14 | 中国科学院长春光学精密机械与物理研究所 | No Wavefront detecting expands the laser beam expanding transmission method and system of optical path compensation |
| CN111865417A (en) * | 2019-04-24 | 2020-10-30 | 南京航星通信技术有限公司 | Satellite-ground satellite laser communication terminal facing cube star |
| CN110261967A (en) * | 2019-05-31 | 2019-09-20 | 西安理工大学 | A kind of device and method of room for promotion light-fiber array coupling efficiency |
| CN110702208A (en) * | 2019-10-11 | 2020-01-17 | 天津大学 | Optical fiber bundle type blade tip timing sensor based on self-focusing lens |
| CN112909723B (en) * | 2021-01-15 | 2023-09-19 | 中国科学院光电技术研究所 | Large dynamic laser emission device for space intersection butt joint |
| CN113985420A (en) * | 2021-12-28 | 2022-01-28 | 四川吉埃智能科技有限公司 | Method for compensating scanning light path error of laser radar inclined by 45 degrees |
| CN114400500A (en) * | 2021-12-28 | 2022-04-26 | 中国科学院光电技术研究所 | Laser external modulation transverse mode generating device |
| CN113985420B (en) * | 2021-12-28 | 2022-05-03 | 四川吉埃智能科技有限公司 | Method for compensating scanning light path error of laser radar inclined by 45 degrees |
| CN114400500B (en) * | 2021-12-28 | 2023-12-22 | 中国科学院光电技术研究所 | Laser external modulation transverse mode generating device |
| CN114755770A (en) * | 2022-05-16 | 2022-07-15 | 江苏镭创高科光电科技有限公司 | Automatic dimming system and dimming method of laser coupling optical fiber |
| CN114755770B (en) * | 2022-05-16 | 2023-07-28 | 江苏镭创高科光电科技有限公司 | Automatic dimming system and dimming method for laser coupling optical fiber |
Also Published As
| Publication number | Publication date |
|---|---|
| CN103311790B (en) | 2016-03-02 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN103311790B (en) | A kind of adaptive optic fiber coupling of laser beam bidirectional transmit-receive or collimator control system | |
| CN101852613B (en) | Light transceiving integrated device applied to fiber sensing | |
| CN108333692B (en) | Space light-to-optical fiber coupling system | |
| CN102185659B (en) | Quantum communication ATP (array transform processor) precise tracking system with optical axis self-calibrating function and calibrating method thereof | |
| CN112636827B (en) | On-line calibration device and method for receiving coaxiality of space optical communication terminal | |
| US11462881B2 (en) | Method and device for altering repetition rate in a mode-locked laser | |
| CN107577015A (en) | Optical transmitting set and optical module | |
| CN109324376A (en) | A kind of coaxial spaces light transmitting-receiving communication device | |
| EP2518549B1 (en) | Spatial multiplexer for coupling single-mode fibers to a multi-core fiber | |
| US11880068B2 (en) | Space optical coupling apparatus | |
| CN109738996A (en) | Automatic optical fiber coupling device | |
| CN202059415U (en) | Space quantum communication array transform processor (ATP) precise tracking system with optical axis self calibration function | |
| CN106646758B (en) | A kind of adaptive coupled system of single mode optical fiber based on fiber end face two-dimensional scanning | |
| CN102830474B (en) | Automatic coupling device from optical fiber laser device to single mode optical fiber | |
| JPH0311310A (en) | Optical coupler of electro-optic converter module and optical guide | |
| US6040566A (en) | Device to control the aiming and focusing of laser systems on a target | |
| WO2012155028A1 (en) | Laser package including tilted laser and method of using same | |
| CN102208740A (en) | Nanosecond pulse fiber laser with circle structure | |
| CN205581404U (en) | Light attenuating device and optical attenuator | |
| CN103499890B (en) | Multikilowatt collimation-type isolator | |
| CN103746282A (en) | Laser | |
| CN110401483B (en) | Laser communication device and method | |
| CN106159660A (en) | A kind of reaction type optical fiber polarization controller for mode-locked laser resonator cavity | |
| US20130064553A1 (en) | Optical communication module and optical communication apparatus | |
| CN215494224U (en) | Miniature Faraday reflector |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20221223 Address after: 611433 Floor 1, No. 141-11, Xingpu Avenue, Huayuan Street, Xinjin County, Chengdu, Sichuan Patentee after: Chengdu Xinzhi Ruiguang Technology Co.,Ltd. Address before: 610209 Shuangliu 350, Sichuan, Chengdu Patentee before: THE INSTITUTE OF OPTICS AND ELECTRONICS, THE CHINESE ACADEMY OF SCIENCES |
|
| TR01 | Transfer of patent right | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20240205 Address after: Room 560, 5th Floor, Building 1, Courtyard 2, Caoqiao East Road, Fengtai District, Beijing, 100067 Patentee after: Hehe Xinguang (Beijing) Technology Co.,Ltd. Country or region after: China Address before: 611433 Floor 1, No. 141-11, Xingpu Avenue, Huayuan Street, Xinjin County, Chengdu, Sichuan Patentee before: Chengdu Xinzhi Ruiguang Technology Co.,Ltd. Country or region before: China |