CN114256727B - Laser pumping light adjusting structure - Google Patents
Laser pumping light adjusting structure Download PDFInfo
- Publication number
- CN114256727B CN114256727B CN202111523936.9A CN202111523936A CN114256727B CN 114256727 B CN114256727 B CN 114256727B CN 202111523936 A CN202111523936 A CN 202111523936A CN 114256727 B CN114256727 B CN 114256727B
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- Prior art keywords
- lens
- lens barrel
- pump
- barrel
- pumping
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- 238000005086 pumping Methods 0.000 title claims abstract description 39
- 239000013307 optical fiber Substances 0.000 claims description 14
- 239000000835 fiber Substances 0.000 claims description 2
- 125000006850 spacer group Chemical group 0.000 claims description 2
- 238000000034 method Methods 0.000 abstract description 8
- 239000007787 solid Substances 0.000 description 3
- 238000006073 displacement reaction Methods 0.000 description 2
- 238000009434 installation Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000001105 regulatory effect Effects 0.000 description 1
Classifications
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01S—DEVICES USING THE PROCESS OF LIGHT AMPLIFICATION BY STIMULATED EMISSION OF RADIATION [LASER] TO AMPLIFY OR GENERATE LIGHT; DEVICES USING STIMULATED EMISSION OF ELECTROMAGNETIC RADIATION IN WAVE RANGES OTHER THAN OPTICAL
- H01S3/00—Lasers, i.e. devices using stimulated emission of electromagnetic radiation in the infrared, visible or ultraviolet wave range
- H01S3/10—Controlling the intensity, frequency, phase, polarisation or direction of the emitted radiation, e.g. switching, gating, modulating or demodulating
- H01S3/102—Controlling the intensity, frequency, phase, polarisation or direction of the emitted radiation, e.g. switching, gating, modulating or demodulating by controlling the active medium, e.g. by controlling the processes or apparatus for excitation
- H01S3/1022—Controlling the intensity, frequency, phase, polarisation or direction of the emitted radiation, e.g. switching, gating, modulating or demodulating by controlling the active medium, e.g. by controlling the processes or apparatus for excitation by controlling the optical pumping
Landscapes
- Physics & Mathematics (AREA)
- Electromagnetism (AREA)
- Engineering & Computer Science (AREA)
- Plasma & Fusion (AREA)
- Optics & Photonics (AREA)
- Optical Couplings Of Light Guides (AREA)
Abstract
The invention provides a combined laser pump light adjusting structure, which is characterized in that a pump light focusing lens and a pump light collimating lens are arranged in the same adjusting lens barrel, and the lens barrel is fixed in a laser shell through a lens barrel fixing seat. The distance between the pumping lens barrel and other laser devices, the pitching adjustment of the pumping lens barrel and the adjustment of the axial distance between the collecting lens and the collimating lens in the pumping lens barrel can be realized. In the adjusting process, the axial distance adjustment of the pump light focusing lens and the pump light collimating lens can be realized by rotating the threads on the lens base, and the radial positions of the pump light focusing lens and the pump light collimating lens can not be changed in the adjusting process, so that the adjusting efficiency is greatly improved.
Description
Technical Field
The invention belongs to the field of solid lasers, and relates to a laser pump light adjusting structure.
Background
In the normal use process of the solid laser, the pump light in the solid laser needs to be regulated to meet the light path requirement.
The pump light adjusting structure comprises a pump light focusing lens and a pump light collimating lens, the pump light focusing lens and the pump light collimating lens are separated and respectively fixed in a laser shell, the positions of the pump light focusing lens and the pump light collimating lens are respectively moved during adjustment to realize adjustment, in the adjusting process of the structure, the position movement quantity of the pump light focusing lens and the pump light collimating lens is difficult to control, adjustment is realized by a plurality of elastic lens seat fixing screws, and the axial distance and the radial distance of the pump light focusing lens and the pump light collimating lens are mutually influenced during adjustment, so that the adjusting efficiency is low.
Disclosure of Invention
In view of various inconveniences of the existing pump light adjusting structure, the invention provides a combined structure of a pump light focusing mirror and a pump light collimating mirror, and the technical scheme is as follows.
The utility model provides a laser pumping light adjusting structure, includes lens cone adjusting seat, pumping lens cone, and first pumping light focusing mirror is installed in the pumping lens cone, second pumping light focusing mirror and pumping light collimating mirror are installed in the lens cone, the lens cone passes through the external screw thread screw in the one end of pumping lens cone, the lens cone adjusting seat is provided with the mounting hole for place install the pumping lens cone of lens cone, the pumping lens cone with the lens cone adjusting seat is fixed through the pumping lens cone locking screw that is located the lens cone adjusting seat.
Preferably, the first pump light focusing lens is locked in the pump lens barrel through a first locking ring, and a space ring is respectively arranged on the second pump light focusing lens and the pump light collimating lens and is locked in the lens barrel through a second locking ring.
Preferably, the pump light adjusting structure comprises a pump lens barrel fixing seat, a threaded positioning pin is screwed into a central hole of the lens barrel adjusting seat through the pump lens barrel fixing seat, the lens barrel adjusting seat is installed on the pump lens barrel fixing seat through positioning of the threaded positioning pin, and the lens barrel adjusting seat is fixed with the pump lens barrel fixing seat through a lens barrel adjusting seat connecting screw.
Preferably, the pump lens barrel fixing seat is fixed in the laser shell through a pump lens barrel fixing seat fixing screw. The pump lens barrel locking screw is loosened to move the pump lens barrel, and the position of the pump lens barrel in the laser is adjusted.
Preferably, the lens barrel adjusting seat connecting screw is loosened, the lens barrel adjusting seat is rotated by taking the threaded locating pin as an axis, and pitching adjustment of the pumping lens barrel can be achieved.
Preferably, the pump light adjusting structure further comprises an optical fiber collimating head, and the optical fiber collimating head is screwed into the other end of the pump lens barrel through external threads.
Preferably, the lens axial distance adjustment can be realized by rotating the lens barrel and the optical fiber collimating head, and after the adjustment is completed, jackscrews on the pumping lens barrel are screwed down so as to lock and fix the optical fiber collimating head, the lens barrel and the pumping lens barrel.
According to the pump light adjusting structure provided by the invention, the pump light focusing lens and the pump light collimating lens are fixed in the same adjusting lens barrel through the lens barrel with threads, and the lens barrel is fixed in the laser shell through the lens barrel fixing seat. In the adjusting process, the distance between the pump light focusing lens and the pump light collimating lens in the axial direction can be adjusted by rotating the threads on the lens base, the displacement can be adjusted slightly by the threads, and the positions of the pump light focusing lens and the pump light collimating lens in the radial direction can not be changed in the adjusting process, so that the adjusting efficiency is greatly improved.
Drawings
In order to more clearly illustrate the embodiments of the invention or the technical solutions of the prior art, the drawings which are used in the description of the embodiments or the prior art will be briefly described, it being obvious that the drawings in the description below are only some embodiments of the invention, and that other drawings can be obtained according to these drawings without inventive faculty for a person skilled in the art.
Fig. 1 is an external schematic view of a laser pump light adjusting structure according to an embodiment of the present invention.
Fig. 2 is an internal schematic view of a laser pump light adjusting structure according to an embodiment of the present invention.
In the figure, 1, a lens barrel adjusting seat; 2. pumping the lens barrel; 3. a pump barrel fixing seat; 4. a threaded dowel pin; 5. the lens cone adjusting seat is connected with a screw; 6. fixing screws for the fixing seat of the pumping lens barrel; 7. a pump barrel locking screw; 8. a jackscrew; 9. a first pump light focusing mirror; 10. a first locking ring; 11. a spacer ring; 12. a pump light collimating mirror; 13. a lens barrel; 14. a second pump light focusing mirror; 15. a second locking ring; 16. an optical fiber alignment head.
Detailed Description
The following description of the embodiments of the present invention will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present invention, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.
Fig. 1 and 2 are respectively an external schematic view and an internal schematic view of a laser pump light adjusting structure according to an embodiment of the present invention. The laser pump light adjusting structure in the embodiment comprises a lens barrel adjusting seat 1, a pump lens barrel 2 and a lens barrel 13. The first pump light focusing mirror 9 is installed in the pump barrel 2 and locked by the first locking ring 10. The second pump light focusing lens 14 and the pump light collimating lens 12 are arranged in corresponding grooves of the lens barrel 13, a space ring 11 is respectively arranged on the two lenses, and the two lenses are respectively locked in the lens barrel 13 through a second locking ring 15.
The installed lens barrel 13 is screwed into one end of the pump barrel 2 by external screw threads, and then the fiber collimator head 16 is screwed into the other end of the pump barrel 2 by external screw threads.
The pump lens barrel 2 after being installed is placed in the installation hole of the lens barrel adjusting seat 1, and the pump lens barrel 2 and the lens barrel adjusting seat 1 are clamped and fixed by tightening the pump lens barrel locking screw 7.
The threaded locating pin 4 is screwed into the central hole of the lens barrel adjusting seat 1, the lens barrel adjusting seat 1 is installed on the pumping lens barrel fixing seat 3 through the locating of the threaded locating pin 4, and the lens barrel adjusting seat 1 and the pumping lens barrel fixing seat 3 are fixed through 3 lens barrel adjusting seat connecting screws 5.
The pump barrel fixing seat 3 is fixed in the laser shell through the pump barrel fixing seat fixing screw 6.
The laser pump light adjusting structure in this embodiment can be adjusted as follows when in use.
The pump lens barrel locking screw 7 is loosened, the pump lens barrel 2 can be moved, so that the distance between the pump lens barrel 2 and other laser devices can be adjusted, and the pump lens barrel locking screw 7 is screwed after the adjustment is completed.
The 3 lens cone adjusting seat connecting screws 5 are loosened, the lens cone adjusting seat 1 can rotate by taking the threaded locating pin 4 as an axis, pitching adjustment of the pumping lens cone 2 is achieved, and after adjustment is completed, the lens cone adjusting seat connecting screws 5 are screwed.
The optical fiber alignment head 16 and the lens barrel 13 are screwed by loosening the jackscrew 8, so that the adjustment of the axial distance between lenses can be realized, and the optical fiber alignment head 16 and the lens barrel 13 are locked by screwing the jackscrew 8 after the adjustment is finished.
In the pump light adjusting structure in the embodiment, the pump light focusing lens and the pump light collimating lens are arranged in the same adjusting lens barrel, and the lens barrel is fixed in the laser shell through the lens barrel fixing seat. The distance between the pumping lens barrel and other laser devices, the pitching adjustment of the pumping lens barrel and the adjustment of the axial distance between the collecting lens and the collimating lens in the pumping lens barrel can be realized. In the adjusting process, the distance between the pump light focusing lens and the pump light collimating lens in the axial direction can be adjusted by rotating the threads on the lens base, the displacement can be adjusted slightly by the threads, and the positions of the pump light focusing lens and the pump light collimating lens in the radial direction can not be changed in the adjusting process, so that the adjusting efficiency is greatly improved.
The foregoing description of the preferred embodiments of the invention is not intended to be limiting, but rather is intended to cover all modifications, equivalents, alternatives, and improvements that fall within the spirit and scope of the invention.
Claims (6)
1. The laser pumping light adjusting structure is characterized by comprising a lens barrel adjusting seat (1), a pumping lens barrel (2), a lens barrel (13) and an optical fiber collimating head (16), wherein a first pumping light focusing lens (9) is arranged in the pumping lens barrel (2), a second pumping light focusing lens (14) and a pumping light collimating lens (12) are arranged in the lens barrel (13), the lens barrel (13) is screwed into one end of the pumping lens barrel (2) through external threads, and the optical fiber collimating head (16) is arranged at the other end of the pumping lens barrel (2); the lens barrel adjusting seat (1) is provided with a mounting hole for placing the pumping lens barrel (2) provided with the lens barrel (13), and the pumping lens barrel (2) and the lens barrel adjusting seat (1) are fixed through a pumping lens barrel locking screw (7) positioned on the lens barrel adjusting seat (1); the optical fiber collimating head (16), the first pump light focusing mirror (9), the second pump light focusing mirror (14) and the pump light collimating mirror (12) are sequentially arranged along the pump lens barrel (2);
the pump light adjusting structure comprises a pump lens cone fixing seat (3), a threaded positioning pin (4) is screwed into a central hole of the lens cone adjusting seat (1) through the pump lens cone fixing seat (3), the lens cone adjusting seat (1) is installed on the pump lens cone fixing seat (3) through positioning of the threaded positioning pin (4), and the lens cone adjusting seat (1) is fixed with the pump lens cone fixing seat (3) through a lens cone adjusting seat connecting screw (5);
loosening the lens barrel adjusting seat connecting screw (5), rotating the lens barrel adjusting seat (1) by taking the threaded locating pin (4) as an axis, and realizing pitching adjustment of the pumping lens barrel (2);
The optical fiber collimator is characterized by further comprising a jackscrew (8) for locking and fixing the optical fiber collimator head (16), the lens barrel (13) and the pumping lens barrel (2).
2. A laser pump light adjusting structure according to claim 1, characterized in that the first pump light focusing mirror (9) is locked in the pump barrel (2) by a first locking ring (10), and that the second pump light focusing mirror (14) and the pump light collimating mirror (12) are each provided with a spacer ring (11) and are each locked in the lens barrel (13) by a second locking ring (15).
3. The laser pump light adjusting structure according to claim 1, wherein the pump barrel fixing base (3) is fixed in the laser housing by a pump barrel fixing base fixing screw (6).
4. A laser pump light adjusting structure according to claim 3, characterized in that the pump barrel (2) is movable by loosening the pump barrel locking screw (7) to adjust the position of the pump barrel (2) in the laser.
5. A laser pump light adjusting structure according to claim 1, characterized in that the fiber collimator (16) is screwed into the other end of the pump barrel (2) by external threads.
6. The laser pump light adjusting structure according to claim 5, wherein the lens barrel and the optical fiber collimating head are rotated to adjust the axial distance of the lens, and after the adjustment is completed, a jackscrew (8) on the pump barrel (2) is screwed to lock and fix the optical fiber collimating head (16), the lens barrel (13) and the pump barrel (2).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111523936.9A CN114256727B (en) | 2021-12-14 | 2021-12-14 | Laser pumping light adjusting structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111523936.9A CN114256727B (en) | 2021-12-14 | 2021-12-14 | Laser pumping light adjusting structure |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN114256727A CN114256727A (en) | 2022-03-29 |
| CN114256727B true CN114256727B (en) | 2024-05-03 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202111523936.9A Active CN114256727B (en) | 2021-12-14 | 2021-12-14 | Laser pumping light adjusting structure |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN114256727B (en) |
Citations (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101436752A (en) * | 2008-11-20 | 2009-05-20 | 武汉凌云光电科技有限责任公司 | End-face pump green light laser capable of regulating Q cavity external frequency multiplication actively |
| CN101471529A (en) * | 2007-12-26 | 2009-07-01 | 深圳市大族激光科技股份有限公司 | Device for adjusting laser pump light |
| CN201515142U (en) * | 2009-09-24 | 2010-06-23 | 西安炬光科技有限公司 | Semiconductor laser side pump module |
| CN201541048U (en) * | 2009-10-28 | 2010-08-04 | 福州高意通讯有限公司 | Pumping structure of semiconductor laser unit |
| CN102299464A (en) * | 2011-07-25 | 2011-12-28 | 中国科学院上海光学精密机械研究所 | Microchip solid state laser |
| CN206020735U (en) * | 2016-09-07 | 2017-03-15 | 苏州英谷激光有限公司 | A kind of solid state laser fiber coupling device |
| CN107528202A (en) * | 2017-08-24 | 2017-12-29 | 昆山纳光光电有限公司 | A kind of micro-slice laser |
| CN208539332U (en) * | 2018-07-24 | 2019-02-22 | 南京罗默激光科技有限公司 | A kind of coupling device of laser pumping light source |
| CN110086072A (en) * | 2019-04-30 | 2019-08-02 | 西安炬光科技股份有限公司 | Pump arrangement and method for pumping |
| CN113629482A (en) * | 2021-08-04 | 2021-11-09 | 安徽光智科技有限公司 | Subnanosecond green laser |
-
2021
- 2021-12-14 CN CN202111523936.9A patent/CN114256727B/en active Active
Patent Citations (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101471529A (en) * | 2007-12-26 | 2009-07-01 | 深圳市大族激光科技股份有限公司 | Device for adjusting laser pump light |
| CN101436752A (en) * | 2008-11-20 | 2009-05-20 | 武汉凌云光电科技有限责任公司 | End-face pump green light laser capable of regulating Q cavity external frequency multiplication actively |
| CN201515142U (en) * | 2009-09-24 | 2010-06-23 | 西安炬光科技有限公司 | Semiconductor laser side pump module |
| CN201541048U (en) * | 2009-10-28 | 2010-08-04 | 福州高意通讯有限公司 | Pumping structure of semiconductor laser unit |
| CN102299464A (en) * | 2011-07-25 | 2011-12-28 | 中国科学院上海光学精密机械研究所 | Microchip solid state laser |
| CN206020735U (en) * | 2016-09-07 | 2017-03-15 | 苏州英谷激光有限公司 | A kind of solid state laser fiber coupling device |
| CN107528202A (en) * | 2017-08-24 | 2017-12-29 | 昆山纳光光电有限公司 | A kind of micro-slice laser |
| CN208539332U (en) * | 2018-07-24 | 2019-02-22 | 南京罗默激光科技有限公司 | A kind of coupling device of laser pumping light source |
| CN110086072A (en) * | 2019-04-30 | 2019-08-02 | 西安炬光科技股份有限公司 | Pump arrangement and method for pumping |
| CN113629482A (en) * | 2021-08-04 | 2021-11-09 | 安徽光智科技有限公司 | Subnanosecond green laser |
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| Publication number | Publication date |
|---|---|
| CN114256727A (en) | 2022-03-29 |
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Effective date of registration: 20240510 Address after: 511517 area B, no.27-9 Baijia Industrial Park, Qingyuan high tech Zone, Guangdong Province Patentee after: FIRST SEMICONDUCTOR MATERIALS Co.,Ltd. Country or region after: China Address before: 239064 No.100 Nanjing Road, Langya Economic Development Zone, Chuzhou City, Anhui Province Patentee before: Anhui Guangzhi Technology Co.,Ltd. Country or region before: China |
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