CN114256727A - Laser pumping light adjusting structure - Google Patents
Laser pumping light adjusting structure Download PDFInfo
- Publication number
- CN114256727A CN114256727A CN202111523936.9A CN202111523936A CN114256727A CN 114256727 A CN114256727 A CN 114256727A CN 202111523936 A CN202111523936 A CN 202111523936A CN 114256727 A CN114256727 A CN 114256727A
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- China
- Prior art keywords
- pump
- barrel
- lens
- pump light
- seat
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- Granted
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- 238000005086 pumping Methods 0.000 title claims description 21
- 125000006850 spacer group Chemical group 0.000 claims description 3
- 239000000835 fiber Substances 0.000 claims 4
- 238000000034 method Methods 0.000 abstract description 8
- 239000013307 optical fiber Substances 0.000 description 8
- 239000007787 solid Substances 0.000 description 3
- 238000006073 displacement reaction Methods 0.000 description 2
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000003287 optical effect Effects 0.000 description 1
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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
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- 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, wherein 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 pump lens barrel and other laser devices can be adjusted, the pitching adjustment of the pump lens barrel can be realized, and the axial distance between the focusing mirror and the collimating mirror in the pump lens barrel can be adjusted. In the adjusting process, the distance between the pump light focusing mirror and the pump light collimating mirror in the axial direction can be adjusted by rotating the threads on the mirror base, and the radial positions of the pump light focusing mirror and the pump light collimating mirror in the adjusting process cannot be changed, 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 pumping light adjusting structure.
Background
In the normal use process of the solid laser, the pump light inside the solid laser often needs to be adjusted to meet the requirement of the optical path.
The pump light adjusting structure comprises a pump light focusing mirror and a pump light collimating mirror, the structure commonly used at present is a pump light focusing mirror and a pump light collimating mirror separated type, the pump light focusing mirror and the pump light collimating mirror are fixed in a laser shell respectively, the positions of the pump light focusing mirror and the pump light collimating mirror are respectively moved to realize adjustment during adjustment, in the adjusting process of the structure, the position moving amount of the pump light focusing mirror and the pump light collimating mirror is difficult to control, adjustment is realized by tightening and loosening a mirror base fixing screw for many times, the axial distance and the radial distance of the pump light focusing mirror and the pump light collimating mirror can be mutually influenced when the adjustment is carried out, and the adjustment 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 specific technical scheme is as follows.
The utility model provides a laser pump light regulation structure, includes that lens cone adjusts seat, pump lens cone, lens barrel, and first pump light focusing mirror is installed in the pump lens cone, and second pump light focusing mirror and pump light collimating mirror are installed in the lens barrel, the lens barrel passes through the external screw thread screw in the one end of pump lens cone, the lens cone is adjusted the seat and is provided with the mounting hole, is used for placing and installs the lens barrel pump lens cone, the pump lens cone with the lens cone is adjusted the seat and is fixed through the pump lens cone locking screw that is located the lens cone and adjusts the seat.
Preferably, the first pump light focusing lens is locked in the pump lens barrel by a first locking ring, and the second pump light focusing lens and the pump light collimating lens are respectively provided with a spacer ring and are respectively locked in the lens barrel by 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 arranged on the pump lens barrel fixing seat through the threaded positioning pin, and the lens barrel adjusting seat and the pump lens barrel fixing seat are fixed through a lens barrel adjusting seat connecting screw.
Preferably, the pump lens cone fixing seat is fixed in the laser housing through a pump lens cone fixing seat fixing screw. And the pumping lens cone can be moved by loosening the locking screw of the pumping lens cone, and the position of the pumping lens cone in the laser is adjusted.
Preferably, the lens cone adjusting seat connecting screw is loosened, and the lens cone adjusting seat is rotated by taking the threaded positioning pin as an axis, so that the pitching adjustment of the pumping lens cone can be realized.
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 an external thread.
Preferably, the lens barrel and the optical fiber collimating head are rotated to realize the adjustment of the axial distance of the lens, and after the adjustment is completed, a jackscrew on the pumping lens barrel is screwed down 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 threaded lens base, and the lens barrel is fixed in the laser shell through the lens barrel fixing base. In the adjusting process, the distance between the pump light focusing mirror and the pump light collimating mirror in the axial direction is adjusted through the threads on the rotary mirror base, the displacement can be adjusted in a micro mode through the threads, and the positions of the pump light focusing mirror and the pump light collimating mirror in the radial direction cannot 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 present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts.
Fig. 1 is an external schematic view of a laser pumped light modulation structure according to an embodiment of the present invention.
Fig. 2 is an internal schematic view of a laser pumped light modulation structure according to an embodiment of the invention.
In the figure, 1, a lens barrel adjusting seat; 2. a pumping lens barrel; 3. a pump lens barrel fixing seat; 4. a threaded locating pin; 5. the lens cone adjusting seat is connected with a screw; 6. a fixed screw of the pump lens cone fixed seat; 7. a pump barrel locking screw; 8. carrying out top thread; 9. a first pump light focusing mirror; 10. a first lock ring; 11. a space ring; 12. a pump light collimating mirror; 13. a lens barrel; 14. a second pump light focusing mirror; 15. a second lock ring; 16. an optical fiber collimating head.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Fig. 1 and 2 are schematic external and internal views of a laser pump light modulation structure according to an embodiment of the invention. The laser pump light adjusting structure in this embodiment includes a barrel adjusting base 1, a pump barrel 2 and a lens barrel 13. The first pump light focusing mirror 9 is mounted inside the pump barrel 2 and locked by a first locking ring 10. The second pump light focusing mirror 14 and the pump light collimating mirror 12 are mounted in corresponding grooves of the lens barrel 13, a spacer 11 is placed on each of the two lenses, and each of the two lenses is locked in the lens barrel 13 by a second lock ring 15.
The mounted lens barrel 13 is screwed into one end of the pump barrel 2 through an external thread, and then the optical fiber collimating head 16 is screwed into the other end of the pump barrel 2 through an external thread.
And placing the assembled pumping lens cone 2 into the mounting hole of the lens cone adjusting seat 1, and tightly clamping and fixing the pumping lens cone 2 and the lens cone adjusting seat 1 by screwing the pumping lens cone locking screw 7.
The threaded positioning pin 4 is screwed into the central hole of the lens cone adjusting seat 1, the lens cone adjusting seat 1 is arranged on the pumping lens cone fixing seat 3 through the threaded positioning pin 4, and the lens cone adjusting seat 1 and the pumping lens cone fixing seat 3 are fixed by using 3 lens cone adjusting seat connecting screws 5.
The pump lens cone fixing seat 3 is fixed in the laser shell through the pump lens cone fixing seat fixing screw 6.
When the laser pumping light adjusting structure of the present embodiment is used, the following adjustment can be performed.
And loosening the locking screw 7 of the pumping lens cone, moving the pumping lens cone 2 to realize the distance adjustment of the pumping lens cone 2 to other laser devices, and then screwing the locking screw 7 of the pumping lens cone after the adjustment is finished.
And 3 lens cone adjusting seat connecting screws 5 are loosened, the lens cone adjusting seat 1 can rotate by taking the threaded positioning pin 4 as an axis, the pitching adjustment of the pump lens cone 2 is realized, and the lens cone adjusting seat connecting screws 5 are screwed after the adjustment is finished.
The jackscrew 8 is loosened, the optical fiber collimating head 16 and the lens barrel 13 are screwed, the axial distance between the lenses can be adjusted, and the jackscrew 8 is screwed to lock the optical fiber collimating head 16 and the lens barrel 13 after the adjustment is finished.
In the pump light adjusting structure in this embodiment, the pump light focusing lens and the pump light collimating lens are mounted in the same adjusting lens barrel, and the lens barrel is fixed in the laser housing through the lens barrel fixing seat. The distance between the pump lens barrel and other laser devices can be adjusted, the pitching adjustment of the pump lens barrel can be realized, and the axial distance between the focusing mirror and the collimating mirror in the pump lens barrel can be adjusted. In the adjusting process, the distance between the pump light focusing mirror and the pump light collimating mirror in the axial direction is adjusted through the threads on the rotary mirror base, the displacement can be adjusted in a micro mode through the threads, and the positions of the pump light focusing mirror and the pump light collimating mirror in the radial direction cannot be changed in the adjusting process, so that the adjusting efficiency is greatly improved.
The above description is only for the purpose of illustrating the preferred embodiments of the present invention and is not to be construed as limiting the invention, and any modifications, equivalents, improvements and the like that fall within the spirit and principle of the present invention are intended to be included therein.
Claims (8)
1. The utility model provides a laser pump light adjusts structure, its characterized in that, includes lens cone regulation seat (1), pump lens cone (2), lens barrel (13), and first pump light focusing mirror (9) are installed in pump lens cone (2), and second pump light focusing mirror (14) and pump light collimating mirror (12) are installed in lens barrel (13), lens barrel (13) are through the external screw thread screw in the one end of pump lens cone (2), lens cone regulation seat (1) is provided with the mounting hole for place and install lens barrel (13) pump lens cone (2), pump lens cone (2) with lens cone regulation seat (1) is through being located the pump lens cone locking screw (7) of lens cone regulation seat (1) are fixed.
2. The structure of claim 1, wherein the first pump light focusing mirror (9) is locked in the pump barrel (2) by a first locking ring (10), and the second pump light focusing mirror (14) and the pump light collimating mirror (12) are respectively provided with a spacer ring (11) and 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 light adjusting structure comprises a pump barrel fixing seat (3), a threaded positioning pin (4) is screwed into a central hole of the barrel adjusting seat (1) through the pump barrel fixing seat (3), the barrel adjusting seat (1) is installed on the pump barrel fixing seat (3) through the threaded positioning pin (4), and the barrel adjusting seat (1) is fixed with the pump barrel fixing seat (3) by a barrel adjusting seat connecting screw (5).
4. The structure of claim 1, wherein the pump barrel fixing seat (3) is fixed in the laser housing by a pump barrel fixing seat fixing screw (6).
5. The structure of claim 4, wherein the pump barrel (2) can be moved by loosening the locking screw (7) of the pump barrel to adjust the position of the pump barrel (2) in the laser.
6. The structure of claim 3, wherein the elevation adjustment of the pumping barrel (2) can be achieved by loosening the barrel adjustment seat connection screw (5) and rotating the barrel adjustment seat (1) around the threaded positioning pin (4).
7. The structure of claim 1, further comprising a fiber alignment head (16), wherein the fiber alignment head (16) is screwed into the other end of the pump barrel (2) via external threads.
8. The structure of claim 7, wherein the axial distance of the lens can be adjusted by rotating the lens barrel and the fiber alignment head, and after the adjustment is completed, the jackscrew (8) on the pump barrel (2) is tightened to lock and fix the fiber alignment 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 true CN114256727A (en) | 2022-03-29 |
| CN114256727B 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 |
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| Country | Link |
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| 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 |
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| CN114256727B (en) | 2024-05-03 |
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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 |