CN108663758A - A kind of free space laser coupled to single mode optical fiber device and method - Google Patents
A kind of free space laser coupled to single mode optical fiber device and method Download PDFInfo
- Publication number
- CN108663758A CN108663758A CN201810315086.5A CN201810315086A CN108663758A CN 108663758 A CN108663758 A CN 108663758A CN 201810315086 A CN201810315086 A CN 201810315086A CN 108663758 A CN108663758 A CN 108663758A
- Authority
- CN
- China
- Prior art keywords
- laser
- optical fiber
- single mode
- mode optical
- free space
- 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
Classifications
-
- 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
- G02B6/4201—Packages, e.g. shape, construction, internal or external details
- G02B6/4219—Mechanical fixtures for holding or positioning the elements relative to each other in the couplings; Alignment methods for the elements, e.g. measuring or observing methods especially used therefor
- G02B6/422—Active alignment, i.e. moving the elements in response to the detected degree of coupling or position of the elements
- G02B6/4227—Active alignment methods, e.g. procedures and algorithms
-
- 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
- G02B6/4201—Packages, e.g. shape, construction, internal or external details
- G02B6/4219—Mechanical fixtures for holding or positioning the elements relative to each other in the couplings; Alignment methods for the elements, e.g. measuring or observing methods especially used therefor
- G02B6/422—Active alignment, i.e. moving the elements in response to the detected degree of coupling or position of the elements
- G02B6/4221—Active alignment, i.e. moving the elements in response to the detected degree of coupling or position of the elements involving a visual detection of the position of the elements, e.g. by using a microscope or a camera
Landscapes
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Optics & Photonics (AREA)
- Optical Couplings Of Light Guides (AREA)
Abstract
The present invention discloses a kind of efficient free space laser coupled to the device and method of single mode optical fiber, auto-collimation function of the invention based on prism of corner cube, free space laser is divided into two beams using the light splitting function of spectroscope (Beam Splitter), wherein beam of laser is by spectroscope reflection, prism of corner cube revolution 180 degree outgoing；Another beam of laser enters fiber end face after spectroscope transmits through coupling mirror, laser is introduced using the other end of single mode optical fiber to collimate by coupling mirror, adjust collimation light direction, so that the equidirectional outgoing of laser in direction of the collimated light after spectroscope reflects and prism of corner cube revolution 180 degree, then free space laser is mutually 180 degree with the laser direction after single mode optical fiber collimation, is realized at this time to the coupling of single mode optical fiber.Apparatus of the present invention are of simple structure and low cost, adjusting method is simple.
Description
Technical field
The present invention relates to a kind of device and method of efficient free space laser coupled to single mode optical fiber, especially suitable for
The fields such as the fiber coupling of laser or wide spectrum, beam shaping.
Background technology
Corning Incorporated in 1970 produces first optical fiber and starts, so far Fibre Optical Communication Technology have been developed more than 40 years it
Long.Compare with traditional communication technology, modern Fibre Optical Communication Technology then possess many unrivaled peculiar advantages and
Feature, first transmission bandwidth possessed by optical fiber have a very significant increase compared to cable and copper wire, therefore optical fiber has frequency
Band is extremely wide, and the great advantage optical fiber of message capacity has frequency band extremely wide, the great advantage of message capacity；Secondly optical fiber also has damage
Consume low, the advantage of repeater span length；In addition one of the advantages of electromagnetism interference is also fiber optic communication, silica fibre possess preferably
Corrosion resistance, and good insulating, therefore it is not readily susceptible to the influence of external environment, is also not readily susceptible to other strong electromagnetics and sets
Standby interference.Optical fiber also has light-weight, easy to process and is laid with, and raw material resources are abundant, and manufacturing cost is relatively low, temperature
The advantages such as good, the service life length of stability.
Fiber optic communication and satellite laser communications field on ground, erbium-doped fiber amplifier (EDFA), demultiplex wavelength division multiplexer
Extensive use with device etc. using single mode optical fiber as the Primary Component of input terminal in high-rate laser communication link, especially can be big
Amplitude improves Primary Component (such as preposition EDFA and optical fiber mixing in the laser communication coherent detection receiver of detectivity
Device) input terminal be necessary for single mode optical fiber, ground fiber optic communication and satellite laser communications are all made of single mode optical fiber interface, for structure
Global optical communication network provides basis, thus spatial light becomes the pass of Space laser communications to the efficient coupling of single mode optical fiber
Key technology problem.Simultaneously as single mode optical fiber emergent light has the mode characteristic close to ideal Gaussian beam, in beam-shaping
On have and be widely applied, and spatial light becomes one of the key technology of beam shaping to the efficient coupling of single mode optical fiber.
In view of free space laser to the widespread demand of Single-Mode Fiber Coupling technology, it is efficient certainly that the present invention provides one kind
The device and method of single mode optical fiber is coupled to by space laser, auto-collimation function of the invention based on prism of corner cube, i.e., arbitrarily into
The incident ray entered in prism of corner cube clear aperature is efficiently returned by direction, while utilizing spectroscope (Beam Splitter)
Light splitting function free space laser is divided into two beams, wherein beam of laser turns round 180 degree by spectroscope reflection, prism of corner cube
Outgoing；Another beam of laser enters fiber end face after spectroscope transmits through coupling mirror, reversed using the other end of single mode optical fiber
Light lead passes through and adjusts the collimated light that optical fiber introduces so that collimated light and is coupled laser and is mutually 180 degree at this time and realize to single mode
The coupling of optical fiber.Apparatus of the present invention are of simple structure and low cost, adjusting method is simple, are suitable for laser or the optical fiber of wide spectrum
The fields such as coupling, beam shaping.
Invention content
The object of the present invention is to provide a kind of device and methods of efficient free space laser coupled to single mode optical fiber, should
The use of invention device can meet coupling of the free space laser to arbitrary core optical fibers, while can also auxiliary optical instrument
Registration adjusting etc. between device optical axis.The characteristics of invention, is mainly reflected in：1) simple in structure, it is of low cost；2) present invention is adjusted
Method is simple, using the reversed light lead of optical fiber, by the collimated light for adjusting optical fiber introducing so that collimated light is mutually with laser is coupled
180 degree, the adjusting that two-beam is mutually 180 degree are mainly the auto-collimation for utilizing prism of corner cube, spectroscope (Beam Splitter)
Function is divided to realize；3) present invention can assist the coupling of the visualization to free space laser to single mode optical fiber to adjust.
Apparatus of the present invention are as shown in Fig. 1, and the course of work of the device is as follows：
Laser 1 emits free space laser, is divided into two beams by spectroscope 4, wherein beam of laser is anti-by spectroscope 4
It penetrates, the revolution 180 degree outgoing of prism of corner cube 5, parallel light tube 6 is entered after being transmitted using spectroscope 4 and in focal plane laser beam analyzer 7
Upper imaging records imaging point centroid position；In addition beam of laser enters single mode optical fiber 3 after the transmission of spectroscope 4 through coupling mirror 2
End face, using single mode optical fiber 3 the other end introduce laser by coupling mirror 2 collimation, collimated light reflects laggard by spectroscope 4
Enter parallel light tube 6 and be imaged on focal plane laser beam analyzer 7, adjust collimation light direction so that two on laser beam analyzer 7 at
Picture point overlaps, and the collimation light direction for the free space laser and single mode optical fiber that laser 1 emits at this time is mutually 180 degree, real at this time
Show to the coupling of single mode optical fiber.The final laser 1 of the invention device, coupling mirror 2, single mode optical fiber 3, spectroscope 4 and pyramid rib
Mirror 5 collectively constitutes, and wherein parallel light tube 6 combines to form light shaft coaxle degree detection device with laser beam analyzer 7.
The optical maser wavelength of the laser 1 is selected according to actual demand.
The optical maser wavelength using wavelength covering laser (1) of the collimating mirror 2, the surface form deviation RMS of collimating mirror (2)
Value is less than λ/10, and refractive error is less than 2%.
The optical maser wavelength of the core diameter and laser 1 of the single mode optical fiber 3 matches, and fiber end face is in collimating mirror 2
Position of focal plane.
The spectroscope 4 is to the optical maser wavelength splitting ratio of laser 1 between 4：6 and 6：Between 4, light splitting angle is 45 °
± 5 ", the depth of parallelism of two groups of horizontal light pass surfaces is less than 5 ", each light pass surface surface form deviation RMS value is less than the@of λ/10 632.8nm.
The rotating accuracy of the prism of corner cube 5 is less than 3 ".
The surface form deviation RMS value of the parallel light tube 6 is less than λ/10, and the laser beam analyzer 7 uses wavelength model
Enclose the optical maser wavelength of covering laser 1.
The parallel light tube 6 need to be used cooperatively with laser beam analyzer (7), and the photosurface of laser beam analyzer 7 is in parallel
The position of focal plane of light pipe 6,7 single pixel size of laser beam analyzer and the focal length ratio of parallel light tube 6 need to meet measuring accuracy requirement.
A kind of efficient free space laser coupled of the present invention to single mode optical fiber schematic device as shown in Figure 1, this hair
Bright device can assist free space laser to the coupling of single mode optical fiber, while can be extended to free space laser to multimode
The specific implementation step of the coupling of optical fiber, the inventive method is as follows：
1, coupling mirror and single mode optical fiber relationship are adjusted
Laser is introduced using one end of single mode optical fiber 3 to collimate by coupling mirror 2, collimated light reflects laggard by spectroscope 4
Enter parallel light tube 6 and be imaged on focal plane laser beam analyzer 7, by the emergent light end face and the coupling mirror 2 that adjust single mode optical fiber 3
Relative position so that collimated light imaging point on laser beam analyzer 7 is minimum, by single mode optical fiber 3 and coupling mirror 2 be fixed as one it is whole
Body completes the adjusting of coupling mirror 2 and single mode optical fiber 3.
2, collimated light and coupled laser are mutually 180 degree adjusting
Laser 1 emits free space laser, is divided into two beams by spectroscope 4, wherein beam of laser is anti-by spectroscope 4
It penetrates, the revolution 180 degree outgoing of prism of corner cube 5, parallel light tube 6 is entered after being transmitted using spectroscope 4 and in focal plane laser beam analyzer 7
Upper imaging records imaging point centroid position；Laser is introduced using the other end of single mode optical fiber 3 to collimate by coupling mirror 2, collimated light
Enter parallel light tube 6 after the reflection of spectroscope 4 and be imaged on focal plane laser beam analyzer 7, adjusts collimation light direction so that light
Two imaging points on beam analysis instrument 7 overlap, and the free space laser that laser 1 emits at this time collimates light direction with single mode optical fiber
It is mutually 180 degree.
3, the coupling of free space laser to single mode optical fiber is adjusted
The free space laser that laser 1 emits, wherein beam of laser enter after the transmission of spectroscope 4 through coupling mirror 2
The end face of single mode optical fiber 3, at this time laser be coupled in single mode optical fiber 3, utilize light power meter test 3 exit ports of single mode optical fiber
Energy；Spectroscope 4, prism of corner cube 5 are removed, the azimuth pitch angle of collimating mirror 2 and 3 component of single mode optical fiber is finely tuned again, by light
Fibre coupling energy adjustment is finally completed coupling of the free space laser to single mode optical fiber to maximum.
Apparatus of the present invention not only can assist free space laser to Single-Mode Fiber Coupling, while can be extended to freedom
The characteristics of space laser registration can also be adjusted etc. between auxiliary optical instrument optical axis to the coupling of multimode fibre, invention master
It is embodied in：
1) apparatus of the present invention are simple in structure, of low cost；
2) the method for the present invention is simple, using the reversed light lead of optical fiber, by the collimated light for adjusting optical fiber introducing so that collimated light
It is mutually 180 degree with laser is coupled；The adjusting that two-beam is mutually 180 degree mainly utilizes the auto-collimation of prism of corner cube, spectroscope
The light splitting function of (Beam Splitter) is realized；
3) present invention can assist free space laser to Single-Mode Fiber Coupling, can extend to free space laser to multimode
The coupling of optical fiber, while adjusting and test etc. can also be registrated between auxiliary optical instrument optical axis.
Description of the drawings
Fig. 1 is device light path schematic diagram of the free space laser coupled to single mode optical fiber.
Specific implementation mode
The embodiment of the method for the present invention is described in detail below in conjunction with attached drawing.
Main devices employed in the present invention are described as follows：
1) laser 1：Using the laser of Changchun Xin Chenye Photoelectric Technology Co., Ltd. model PGL-V-H-1064,
Specifeca tion speeification：Service band is 1064 ± 1nm；Continuous light output goes out light energy 50mw, energy stability<5%, laser
The angle of divergence<1.2mrad, light beam light extraction bore about 1.5mm；
2) collimating mirror 2：Use Thorlabs company models for the collimating mirror of 352240-C, Specifeca tion speeification：Work
Wave band is 1050-1620nm；Focal length is 8mm, clear aperture 8mm；Transmission material is ECO550；
3) single mode optical fiber 3：Use Thorlabs company models for the single mode optical fiber of SM980, Specifeca tion speeification：Work
Wave band is 980-1550nm；Fibre-optic mode field diameter be 9um@1064nm, covering 125 ± 1um of core diameter, by wavelength be 870-
970nm；
4) spectroscope 4：Use Thorlabs company models for the unpolarized Amici prism of BS007, Specifeca tion speeification：
Service band is 700-1100nm；Splitting ratio is 1：1, clear aperture 20mm；
5) prism of corner cube 5：Use Thorlabs company models for the prism of corner cube of PS971, Specifeca tion speeification：Light transmission
Face surface face type is better than the@of λ/10 632.8nm；Rotating accuracy is less than 3 ", clear aperture 25.4mm；
6) parallel light tube 6：Using the reflective parallel light pipe of customization, Specifeca tion speeification：Parallel light tube focal length is 5m,
Reflection paraboloid face type is better than the@of λ/20 632.8nm；
7) laser beam analyzer 7：Use U.S.'s Spiricon company models for the laser beam analyzer of SP620, main performance
Parameter：Service band 190nm-1100nm, pixel size 4.4um*4.4um, number of pixels 1600*1200；
A kind of efficient free space laser coupled of the present invention to single mode optical fiber schematic device as shown in Figure 1, this hair
Bright device can assist free space laser to the coupling of single mode optical fiber, and it is as follows which obtains specific implementation step：
1, coupling mirror and single mode optical fiber relationship are adjusted
Laser is introduced using one end of single mode optical fiber 3 to collimate by coupling mirror 2, collimated light reflects laggard by spectroscope 4
Enter parallel light tube 6 and be imaged on focal plane laser beam analyzer 7, by the emergent light end face and the coupling mirror 2 that adjust single mode optical fiber 3
Relative position so that collimated light imaging point on laser beam analyzer 7 is minimum, by single mode optical fiber 3 and coupling mirror 2 be fixed as one it is whole
Body completes the adjusting of coupling mirror 2 and single mode optical fiber 3.
2, collimated light and coupled laser are mutually 180 degree adjusting
Laser 1 emits free space laser, is divided into two beams by spectroscope 4, wherein beam of laser is anti-by spectroscope 4
It penetrates, the revolution 180 degree outgoing of prism of corner cube 5, parallel light tube 6 is entered after being transmitted using spectroscope 4 and in focal plane laser beam analyzer 7
Upper imaging records imaging point centroid position；Laser is introduced using the other end of single mode optical fiber 3 to collimate by coupling mirror 2, collimated light
Enter parallel light tube 6 after the reflection of spectroscope 4 and be imaged on focal plane laser beam analyzer 7, adjusts collimation light direction so that light
Two imaging points on beam analysis instrument 7 overlap, and the free space laser that laser 1 emits at this time collimates light direction with single mode optical fiber
It is mutually 180 degree.
3, the coupling of free space laser to single mode optical fiber is adjusted
The free space laser that laser 1 emits, wherein beam of laser enter after the transmission of spectroscope 4 through coupling mirror 2
The end face of single mode optical fiber 3, at this time laser be coupled in single mode optical fiber 3, utilize light power meter test 3 exit ports of single mode optical fiber
Energy；Spectroscope 4, prism of corner cube 5 are removed, the azimuth pitch angle of collimating mirror 2 and 3 component of single mode optical fiber is finely tuned again, by light
Fibre coupling energy adjustment is finally completed coupling of the free space laser to single mode optical fiber to maximum.
Claims (8)
1. a kind of free space laser coupled is to the device of single mode optical fiber, including laser (1), coupling mirror (2), single mode optical fiber
(3), spectroscope (4) and prism of corner cube (5), parallel light tube (6) and laser beam analyzer (7), it is characterised in that：
The parallel light tube (6) need to be used cooperatively with laser beam analyzer (7), and the photosurface of laser beam analyzer (7) is in parallel
The focal length ratio of the position of focal plane of light pipe (6), laser beam analyzer (7) single pixel size and parallel light tube (6) need to meet test essence
Degree requires；
The laser (1) emits free space laser, is divided into two beams by spectroscope (4), wherein beam of laser is through excessive
Light microscopic (4) reflection, prism of corner cube (5) revolution 180 degree outgoing, using spectroscope (4) transmit after enter parallel light tube (6) and
Focal plane laser beam analyzer is imaged on (7), records imaging point centroid position；In addition beam of laser passes through after spectroscope (4) transmission
Coupling mirror (2) enters the end face of single mode optical fiber (3), and it is accurate by coupling mirror (2) to introduce laser using the other end of single mode optical fiber (3)
Directly, collimated light enters parallel light tube (6) after spectroscope (4) reflection and is imaged on focal plane laser beam analyzer (7), adjusts accurate
Direct light direction so that two imaging points on laser beam analyzer (7) overlap, the free space laser of laser (1) transmitting at this time
It is mutually 180 degree with the collimation light direction of single mode optical fiber, is realized at this time to the coupling of single mode optical fiber.
2. a kind of free space laser coupled according to claim 1 is to the device of single mode optical fiber, it is characterised in that：It is described
The optical maser wavelength of laser (1) selected according to actual demand.
3. a kind of free space laser coupled according to claim 1 is to the device of single mode optical fiber, it is characterised in that：It is described
Collimating mirror (2) the optical maser wavelength using wavelength covering laser (1), the surface form deviation RMS value of collimating mirror (2) be less than λ/
10, refractive error is less than 2%.
4. a kind of free space laser coupled according to claim 1 is to the device of single mode optical fiber, it is characterised in that：It is described
The optical maser wavelength of core diameter and laser (1) of single mode optical fiber (3) match, fiber end face is in the focal plane position of collimating mirror (2)
It sets.
5. a kind of free space laser coupled according to claim 1 is to the device of single mode optical fiber, it is characterised in that：It is described
Spectroscope (4) to the optical maser wavelength splitting ratio of laser (1) between 4：6 and 6：Between 4, light splitting angle is 45 ° ± 5 ", two groups
The depth of parallelism of horizontal light pass surface is less than 5 ", each light pass surface surface form deviation RMS value is less than the@of λ/10 632.8nm.
6. a kind of free space laser coupled according to claim 1 is to the device of single mode optical fiber, it is characterised in that：It is described
Prism of corner cube (5) rotating accuracy be less than 3 ".
7. a kind of free space laser coupled according to claim 1 is to the device of single mode optical fiber, it is characterised in that：It is described
The surface form deviation RMS value of parallel light tube (6) be less than λ/10, use the wave-length coverage covering of the laser beam analyzer (7) is sharp
The optical maser wavelength of light device (1).
8. a kind of coupling process of device based on a kind of free space laser coupled described in claim 1 to single mode optical fiber,
It is characterized in that method and step is as follows：
1) coupling mirror is adjusted with single mode optical fiber relationship：It is accurate by coupling mirror (2) that laser is introduced using one end of single mode optical fiber (3)
Directly, collimated light enters parallel light tube (6) after spectroscope (4) reflection and is imaged on focal plane laser beam analyzer (7), passes through tune
Save single mode optical fiber (3) emergent light end face and coupling mirror (2) relative position so that collimated light on laser beam analyzer (7) at
Picture point is minimum, and single mode optical fiber (3) and coupling mirror (2) are fixed as an entirety, complete coupling mirror (2) and single mode optical fiber (3)
It adjusts；
2) collimated light is mutually 180 degree adjusting with coupled laser：Laser (1) emits free space laser, by spectroscope (4) point
At two beams, wherein beam of laser is by spectroscope (4) reflection, prism of corner cube (5) revolution 180 degree outgoing, using spectroscope (4)
Enter parallel light tube (6) after transmission and be imaged on focal plane laser beam analyzer (7), records imaging point centroid position；Utilize single mode
The other end of optical fiber (3) introduces laser and is collimated by coupling mirror (2), and collimated light enters directional light after spectroscope (4) reflection
Pipe (6) is simultaneously imaged on focal plane laser beam analyzer (7), adjusts collimation light direction so that two imagings on laser beam analyzer (7)
Point overlaps, and free space laser and the single mode optical fiber collimation light direction of laser (1) transmitting at this time are mutually 180 degree；
3) coupling of free space laser to single mode optical fiber is adjusted：The free space laser of laser (1) transmitting, wherein a branch of swash
Light enters the end face of single mode optical fiber (3) after spectroscope (4) transmission through coupling mirror (2), and laser has been coupled to single-mode optics at this time
In fine (3), single mode optical fiber (3) exit ports energy is tested using light power meter；Spectroscope (4), prism of corner cube (5) are removed, then
The azimuth pitch angle of secondary fine tuning collimating mirror (2) and single mode optical fiber (3) component, by fiber coupling energy adjustment to maximum, finally
Complete coupling of the free space laser to single mode optical fiber.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810315086.5A CN108663758B (en) | 2018-04-10 | 2018-04-10 | A kind of free space laser coupled to single mode optical fiber device and method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810315086.5A CN108663758B (en) | 2018-04-10 | 2018-04-10 | A kind of free space laser coupled to single mode optical fiber device and method |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN108663758A true CN108663758A (en) | 2018-10-16 |
| CN108663758B CN108663758B (en) | 2019-07-23 |
Family
ID=63782264
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810315086.5A Active CN108663758B (en) | 2018-04-10 | 2018-04-10 | A kind of free space laser coupled to single mode optical fiber device and method |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN108663758B (en) |
Cited By (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109596567A (en) * | 2018-12-19 | 2019-04-09 | 北京航天易联科技发展有限公司 | A kind of methane laser detection device |
| CN110146257A (en) * | 2019-05-17 | 2019-08-20 | 中国科学院上海技术物理研究所 | A kind of device and method of rapid survey space laser load optical axis variation |
| CN110632713A (en) * | 2019-08-30 | 2019-12-31 | 珠海达明科技有限公司 | Device and method for rapidly coupling large-divergence-angle laser to single-mode fiber |
| CN110895364A (en) * | 2019-12-19 | 2020-03-20 | 苏州迅镭激光科技有限公司 | High-coupling-efficiency fiber laser debugging device and method |
| CN111122120A (en) * | 2019-12-31 | 2020-05-08 | 深圳市杰普特光电股份有限公司 | Adjusting device and method for fast and efficient coupling of space light |
| CN111238409A (en) * | 2020-02-28 | 2020-06-05 | 中国科学院上海技术物理研究所 | Device and method for measuring large-angle optical wedge angle with high precision |
| CN111238408A (en) * | 2020-02-28 | 2020-06-05 | 中国科学院上海技术物理研究所 | Device and method for rapidly measuring parallelism of parallel flat plate |
| CN112713932A (en) * | 2020-12-21 | 2021-04-27 | 中国科学院西安光学精密机械研究所 | Laser communication terminal optical path relay unit assembling and detecting system and detecting method based on same |
| CN112797961A (en) * | 2020-12-30 | 2021-05-14 | 中国工程物理研究院激光聚变研究中心 | Optical alignment system |
| CN114371534A (en) * | 2022-01-11 | 2022-04-19 | 成都光创联科技有限公司 | Collimating system coupling method |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1462891A (en) * | 2003-06-13 | 2003-12-24 | 上海理工大学 | Mass center method for adjusting core making automatic end to end joint for wave-guide and optical fiber |
| CN1548920A (en) * | 2003-05-14 | 2004-11-24 | 中国科学院半导体研究所 | Semiconductor laser device mounting aligning and correcting method |
| CN102185659A (en) * | 2011-03-23 | 2011-09-14 | 中国科学院上海技术物理研究所 | Quantum communication ATP (array transform processor) precise tracking system with optical axis self-calibrating function and calibrating method thereof |
| CN203241576U (en) * | 2013-05-23 | 2013-10-16 | 苏州新大诚科技发展股份有限公司 | Alignment and coupling monitoring device for optical branching device |
| CN103887708A (en) * | 2014-03-04 | 2014-06-25 | 中国科学院上海光学精密机械研究所 | Optical fiber coupling vertical-cavity surface emitting laser with power monitoring function |
| CN206313780U (en) * | 2016-12-29 | 2017-07-07 | 中国电子科技集团公司第三十四研究所 | A kind of transceiver terminal of laser space communication networking |
-
2018
- 2018-04-10 CN CN201810315086.5A patent/CN108663758B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1548920A (en) * | 2003-05-14 | 2004-11-24 | 中国科学院半导体研究所 | Semiconductor laser device mounting aligning and correcting method |
| CN1462891A (en) * | 2003-06-13 | 2003-12-24 | 上海理工大学 | Mass center method for adjusting core making automatic end to end joint for wave-guide and optical fiber |
| CN102185659A (en) * | 2011-03-23 | 2011-09-14 | 中国科学院上海技术物理研究所 | Quantum communication ATP (array transform processor) precise tracking system with optical axis self-calibrating function and calibrating method thereof |
| CN203241576U (en) * | 2013-05-23 | 2013-10-16 | 苏州新大诚科技发展股份有限公司 | Alignment and coupling monitoring device for optical branching device |
| CN103887708A (en) * | 2014-03-04 | 2014-06-25 | 中国科学院上海光学精密机械研究所 | Optical fiber coupling vertical-cavity surface emitting laser with power monitoring function |
| CN206313780U (en) * | 2016-12-29 | 2017-07-07 | 中国电子科技集团公司第三十四研究所 | A kind of transceiver terminal of laser space communication networking |
Cited By (14)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109596567A (en) * | 2018-12-19 | 2019-04-09 | 北京航天易联科技发展有限公司 | A kind of methane laser detection device |
| CN110146257A (en) * | 2019-05-17 | 2019-08-20 | 中国科学院上海技术物理研究所 | A kind of device and method of rapid survey space laser load optical axis variation |
| CN110146257B (en) * | 2019-05-17 | 2024-02-20 | 中国科学院上海技术物理研究所 | Device and method for rapidly measuring change of optical axis of space laser load |
| CN110632713A (en) * | 2019-08-30 | 2019-12-31 | 珠海达明科技有限公司 | Device and method for rapidly coupling large-divergence-angle laser to single-mode fiber |
| CN110632713B (en) * | 2019-08-30 | 2021-05-07 | 珠海市运泰利自动化设备有限公司 | Device and method for rapidly coupling large-divergence-angle laser to single-mode fiber |
| CN110895364A (en) * | 2019-12-19 | 2020-03-20 | 苏州迅镭激光科技有限公司 | High-coupling-efficiency fiber laser debugging device and method |
| CN110895364B (en) * | 2019-12-19 | 2023-09-15 | 苏州迅镭激光科技有限公司 | High-coupling-efficiency fiber laser debugging device and method |
| CN111122120B (en) * | 2019-12-31 | 2021-09-17 | 深圳市杰普特光电股份有限公司 | Adjusting device and method for fast and efficient coupling of space light |
| CN111122120A (en) * | 2019-12-31 | 2020-05-08 | 深圳市杰普特光电股份有限公司 | Adjusting device and method for fast and efficient coupling of space light |
| CN111238408A (en) * | 2020-02-28 | 2020-06-05 | 中国科学院上海技术物理研究所 | Device and method for rapidly measuring parallelism of parallel flat plate |
| CN111238409A (en) * | 2020-02-28 | 2020-06-05 | 中国科学院上海技术物理研究所 | Device and method for measuring large-angle optical wedge angle with high precision |
| CN112713932A (en) * | 2020-12-21 | 2021-04-27 | 中国科学院西安光学精密机械研究所 | Laser communication terminal optical path relay unit assembling and detecting system and detecting method based on same |
| CN112797961A (en) * | 2020-12-30 | 2021-05-14 | 中国工程物理研究院激光聚变研究中心 | Optical alignment system |
| CN114371534A (en) * | 2022-01-11 | 2022-04-19 | 成都光创联科技有限公司 | Collimating system coupling method |
Also Published As
| Publication number | Publication date |
|---|---|
| CN108663758B (en) | 2019-07-23 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN108663758B (en) | A kind of free space laser coupled to single mode optical fiber device and method | |
| US7099535B2 (en) | Small mode-field fiber lens | |
| CN101825710A (en) | 2 mu m all-fiber coherent laser Doppler wind finding radar system | |
| CN107356407B (en) | Device for synchronously measuring power, spectrum and beam quality of high-power fiber laser | |
| CN108333692A (en) | A kind of spatial light is to fiber coupling system | |
| CN108955857B (en) | Heterodyne interference light path structure and laser vibration meter based on optical fiber | |
| CN201984180U (en) | Fiber Fabry-Perot tunable filter | |
| CN105353520B (en) | 90 ° of frequency mixers of spatial light of high mixing efficiency | |
| CN101825713A (en) | 2 mu m all-fiber coherent laser Doppler wind finding radar system | |
| CN101825712A (en) | 2 mu m all-fiber coherent laser Doppler wind finding radar system | |
| CN107655659A (en) | A kind of laser communication terminal vacuum test system and its method of testing | |
| CN107727368B (en) | Device and method for calibrating focal plane position of collimator | |
| CN111708133A (en) | Device and method for coupling single-mode optical fiber by laser with large divergence angle | |
| CN102607717A (en) | Coherent detection system and method for homologous common beam of laser | |
| CN115801117A (en) | Novel laser communication receiving and transmitting light beam integrated monitoring system and monitoring method | |
| CN106643668A (en) | Atmosphere laser occultation signal generation and detection equipment | |
| Mukhopadhyay | Coupling of a laser diode to single mode circular core graded index fiber via parabolic microlens on the fiber tip and identification of the suitable refractive index profile with consideration for possible misalignments | |
| CN107247271B (en) | Common-aperture laser range finder | |
| Presby et al. | Laser-to-fiber coupling via optical fiber up-tapers | |
| CN202916459U (en) | Multi-fiber collimator | |
| CN108387974A (en) | High-power optical fiber laser receiving and transmitting integrated end cap | |
| CN104749774A (en) | Off-axis three-mirror push broom type laser three-dimensional imaging and transmitting system | |
| CN215575639U (en) | Polarization-maintaining optical circulator and laser radar | |
| CN107037575B (en) | Off-axis reflection type optical antenna and system | |
| CN111707448B (en) | Efficiency detection device and efficiency detection method for optical component of space laser communication terminal |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant |