CN110768091A - High-efficiency optical fiber laser pumping coupler - Google Patents
High-efficiency optical fiber laser pumping coupler Download PDFInfo
- Publication number
- CN110768091A CN110768091A CN201911059589.1A CN201911059589A CN110768091A CN 110768091 A CN110768091 A CN 110768091A CN 201911059589 A CN201911059589 A CN 201911059589A CN 110768091 A CN110768091 A CN 110768091A
- Authority
- CN
- China
- Prior art keywords
- copper pipe
- wall
- pipe
- fiber laser
- optical fiber
- 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 43
- 238000005086 pumping Methods 0.000 title claims abstract description 24
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 claims abstract description 136
- 229910052802 copper Inorganic materials 0.000 claims abstract description 136
- 239000010949 copper Substances 0.000 claims abstract description 136
- 238000001816 cooling Methods 0.000 claims abstract description 49
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 claims abstract description 41
- 239000007788 liquid Substances 0.000 claims abstract description 20
- 229910052757 nitrogen Inorganic materials 0.000 claims abstract description 20
- 239000000835 fiber Substances 0.000 claims description 29
- 238000002955 isolation Methods 0.000 claims description 14
- 230000008878 coupling Effects 0.000 claims description 9
- 238000010168 coupling process Methods 0.000 claims description 9
- 238000005859 coupling reaction Methods 0.000 claims description 9
- 238000009413 insulation Methods 0.000 claims description 4
- 230000000694 effects Effects 0.000 abstract description 12
- 239000012535 impurity Substances 0.000 abstract description 5
- 230000009972 noncorrosive effect Effects 0.000 abstract description 5
- 230000003287 optical effect Effects 0.000 abstract description 5
- 230000009471 action Effects 0.000 abstract description 4
- 230000009967 tasteless effect Effects 0.000 abstract description 4
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 6
- 230000017525 heat dissipation Effects 0.000 description 4
- 230000002349 favourable effect Effects 0.000 description 3
- 239000000498 cooling water Substances 0.000 description 2
- 238000012423 maintenance Methods 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 230000001681 protective effect Effects 0.000 description 2
- 125000003003 spiro group Chemical group 0.000 description 2
- 238000012546 transfer Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 229910001873 dinitrogen Inorganic materials 0.000 description 1
- 238000007599 discharging Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000001125 extrusion Methods 0.000 description 1
- 239000007789 gas Substances 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 230000001788 irregular Effects 0.000 description 1
- -1 meanwhile Substances 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000009965 odorless effect Effects 0.000 description 1
- 238000012856 packing Methods 0.000 description 1
- 230000002265 prevention Effects 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 239000004065 semiconductor Substances 0.000 description 1
Images
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
- H01S3/05—Construction or shape of optical resonators; Accommodation of active medium therein; Shape of active medium
- H01S3/06—Construction or shape of active medium
- H01S3/063—Waveguide lasers, i.e. whereby the dimensions of the waveguide are of the order of the light wavelength
- H01S3/067—Fibre lasers
- H01S3/06754—Fibre amplifiers
- H01S3/06783—Amplifying coupler
-
- 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
- H01S3/02—Constructional details
- H01S3/04—Arrangements for thermal management
- H01S3/0407—Liquid cooling, e.g. by water
-
- 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
- H01S3/09—Processes or apparatus for excitation, e.g. pumping
- H01S3/091—Processes or apparatus for excitation, e.g. pumping using optical pumping
- H01S3/094—Processes or apparatus for excitation, e.g. pumping using optical pumping by coherent light
- H01S3/094049—Guiding of the pump light
- H01S3/094053—Fibre coupled pump, e.g. delivering pump light using a fibre or a fibre bundle
Abstract
The invention belongs to the technical field of optical passive elements, and particularly relates to a high-efficiency optical fiber laser pumping coupler which comprises an external copper pipe, wherein a first extension pipe is integrally formed on the right side of the external copper pipe, a first protection support lug is integrally formed on the outer wall of the first extension pipe, a cooling copper pipe is fixedly connected to the inner wall of the external copper pipe, a storage tank is arranged inside the cooling copper pipe, a heat conduction copper pipe is fixedly connected to the inner wall of the cooling copper pipe, a second extension pipe is integrally formed on the left side of the heat conduction copper pipe, and a second protection support lug is integrally formed on the outer wall of the second extension pipe; according to the liquid nitrogen colorless, tasteless, noncorrosive, incombustible and the extremely low characteristic of temperature, played the radiating effect of cooling, do not contain impurity in the liquid nitrogen and can not form the jam in the hold up tank, let the coupler can not work under the high state of temperature, when receiving the collision, make external force can not direct action on outside copper pipe, avoid it to warp the damage because of receiving the external force influence.
Description
Technical Field
The invention belongs to the technical field of optical passive elements, and particularly relates to a high-efficiency optical fiber laser pump coupler.
Background
The pump coupler is a key passive optical device of an optical fiber laser, and couples multiple paths of pump light generated by a semiconductor laser into a main optical fiber to provide required pump light power for the optical fiber laser.
Chinese patent with publication number CN105244736B proposes a pump coupler for kilowatt-level fiber laser, this patent can take away the heat of heat conduction copper pipe through the cooling water, accelerate the heat loss, guarantee that the pump coupler is still in constant temperature operating condition when long-time work, however, it has the water pipe to run through between outside copper pipe and the heat conduction copper pipe in the device, when using in the manufacturing factory, staff's operation is nonstandard and lets it receive the collision easily, when the water pipe receives outside collision extrusion deformation, the water pipe is damaged easily, cause the cooling water to leak, simultaneously, water forms the incrustation scale easily after being heated, the incrustation scale leads to the fact the jam to the water pipe, serious influence the heat conduction effect, and need increase a water circulation equipment, and the cost is improved.
Disclosure of Invention
To solve the problems set forth in the background art described above. The invention provides a high-efficiency optical fiber laser pump coupler which has the characteristics of heat dissipation and collision prevention.
In order to achieve the purpose, the invention provides the following technical scheme: the utility model provides a high-efficient optic fibre laser pumping coupler, includes outside copper pipe, the right side integrated into one piece of outside copper pipe has first extension pipe, the outer wall integrated into one piece of first extension pipe has first protection journal stirrup, the inner wall fixedly connected with cooling copper pipe of outside copper pipe, the reserve tank has been seted up to the inside of cooling copper pipe, the inner wall fixedly connected with heat conduction copper pipe of cooling copper pipe, the left side integrated into one piece of heat conduction copper pipe has the second extension pipe, the outer wall integrated into one piece of second extension pipe has second protection journal stirrup, second protection journal stirrup encircle the outer wall of outside copper pipe, the inner wall of heat conduction copper pipe has main fiber shell and pumping optic fibre, the inside fixedly connected with main fiber of optic fibre shell, main fiber and pumping optic fibre are located handing-over of the inside central point of heat conduction copper pipe, set up on the heat conduction copper pipe with main fiber optic fibre shell, And the pump fibers are matched with the coupling space.
Preferably, the outer wall of the cooling copper pipe is fixedly connected with a first thread ring, and the inner wall of the outer copper pipe is provided with a first thread groove matched with the first extension pipe.
Preferably, the outer wall of the heat conduction copper pipe is fixedly connected with a second thread ring, and the inner wall of the cooling copper pipe is provided with a second thread groove matched with the second thread ring.
Preferably, the storage tank is filled with liquid nitrogen.
Preferably, the outer walls of the first protection lug and the second protection lug are on the same straight line.
Preferably, a clamping groove is formed between the second protection support lug and the heat conduction copper pipe, and the external copper pipe and the cooling copper pipe are both fixed on the clamping groove.
Preferably, a second isolation groove is formed between the second protection support lug and the external copper pipe.
Preferably, a first isolation groove is formed between the first protection support lug and the external copper pipe.
Preferably, the second insulation groove is the same size as the first insulation groove.
Preferably, the first extension pipe and the second extension pipe respectively cover the interfaces at the two ends of the heat conduction copper pipe.
Preferably, the cooling copper pipe is fixedly connected with an air release valve.
Compared with the prior art, the invention has the beneficial effects that:
1. this high-efficient optic fibre laser pumping coupler because the cooling copper pipe is fixed between outside copper pipe and heat conduction copper pipe, and the inside packing of hold up tank has the liquid nitrogen, and heat conduction copper pipe is on heat transfer to the cooling copper pipe, according to the liquid nitrogen colourless, tasteless, noncorrosive, incombustible and the extremely low characteristic of temperature, has played the radiating effect of cooling, does not contain impurity in the liquid nitrogen simultaneously and can not form in the hold up tank and block up, lets the coupler can not work under the high state of temperature.
2. The high-efficiency optical fiber laser pump coupler has the advantages that as the first protection support lug is integrally formed on the outer wall of the first extension pipe, the second protection support lug is integrally formed on the outer wall of the second extension pipe, when the pumping coupler is collided by external force due to the irregular operation of workers, the first protection support lug and the second protection support lug protect the pumping coupler to avoid deformation and damage caused by the external force, the first isolation groove and the second isolation groove isolate the external copper pipe, so that external force can not directly act on the external copper pipe and the cooling copper pipe, the protection effect is achieved, the damage of the cooling copper pipe is avoided, thereby influence the radiating effect, simultaneously, all be the spiro union between this device fixed, on the staff held first protection journal stirrup and second protection journal stirrup, twist hard, can dismantle this device, be favorable to the inside maintenance in later stage.
Drawings
The accompanying drawings, which are included to provide a further understanding of the invention and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention and together with the description serve to explain the principles of the invention and not to limit the invention. In the drawings:
FIG. 1 is a schematic structural view of the present invention;
FIG. 2 is a schematic view of the structure of the outer copper tube according to the present invention;
FIG. 3 is a schematic view of the structure of the cooling copper pipe according to the present invention;
FIG. 4 is a schematic structural view of a heat conducting copper tube according to the present invention;
fig. 5 is another schematic structural diagram of the present invention.
In the figure: 1. an outer copper tube; 101. a first isolation slot; 11. a first extension pipe; 12. a first protective journal stirrup; 13. a first thread groove; 2. cooling the copper pipe; 21. a storage tank; 22. a first thread turn; 23. a second thread groove; 24. a gas release valve; 3. a heat conducting copper pipe; 301. a coupling space; 302. a clamping groove; 303. a second isolation trench; 31. a second extension pipe; 32. a second protective journal stirrup; 33. a second thread turn; 4. a main optical fiber housing; 41. a main optical fiber; 5. a pump fiber.
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.
Referring to fig. 1-5, the present invention provides the following technical solutions: the utility model provides a high-efficient optic fibre laser pumping coupler, including outside copper pipe 1, the right side integrated into one piece of outside copper pipe 1 has first extension pipe 11, the outer wall integrated into one piece of first extension pipe 11 has first protection journal stirrup 12, the inner wall fixedly connected with cooling copper pipe 2 of outside copper pipe 1, storage tank 21 has been seted up to cooling copper pipe 2's inside, the inner wall fixedly connected with heat conduction copper pipe 3 of cooling copper pipe 2, the left side integrated into one piece of heat conduction copper pipe 3 has second extension pipe 31, the outer wall integrated into one piece of second extension pipe 31 has second protection journal stirrup 32, second protection journal stirrup 32 encircles the outer wall of outside copper pipe 1, the inner wall of heat conduction copper pipe 3 has main optical fiber shell 4 and pump optic fibre 5, the inside fixedly connected with main optical fiber 41 of main optical fiber shell 4, main optical fiber 41 and pump optic fibre 5 are in the handing-over of the inside central point department that lies in heat conduction copper pipe 3, set up on, The pump fibers 5 cooperate to form a coupling space 301.
In this embodiment: the outer wall of the first extension pipe 11 is integrally formed with a first protection lug 12, when the pumping coupler is collided by external force due to the nonstandard operation of workers, the first protection lug 12 protects the external copper pipe 1 to prevent the pumping coupler from being damaged due to the external force collision, the inner wall of the external copper pipe 1 is fixedly connected with a cooling copper pipe 2, a storage tank 21 is arranged inside the cooling copper pipe 2, the inner wall of the cooling copper pipe 2 is fixedly connected with a heat conduction copper pipe 3, the heat conduction copper pipe 3 transmits heat to the cooling copper pipe 2, the cooling and heat dissipation effects are achieved according to the characteristics of colorless, odorless, noncorrosive, incombustible and extremely low temperature of liquid nitrogen, meanwhile, impurities contained in the liquid nitrogen cannot form blockage in the storage tank 21, so that the coupler cannot work in a high-temperature state, the outer wall of the second extension pipe 31 is integrally formed with a second protection lug 32, and the second protection lug 32 surrounds the outer wall of the external copper pipe 1, when the pumping coupler is collided by external force due to the fact that operation of workers is not standardized, the external copper pipe 1 is protected through the second protection support lug 32, damage caused by external force collision is prevented, the inner wall of the heat conduction copper pipe 3 is provided with the main optical fiber shell 4 and the pumping optical fibers 5, the main optical fibers 41 are fixedly connected inside the main optical fiber shell 4, the main optical fibers 41 and the pumping optical fibers 5 are connected at the center position inside the heat conduction copper pipe 3, the heat conduction copper pipe 3 is provided with the coupling space 301 matched with the main optical fiber shell 4 and the pumping optical fibers 5, the pumping optical fibers 5 are welded to the main optical fiber shell 4 from the side face, a coupling area is formed at an access point, when the pumping light is transmitted to the coupling area in the pumping optical fibers 5, due to the effect of evanescent waves, the pumping optical fibers 5 are coupled with the optical fields in the main optical fibers 41, and the pumping.
Specifically, the outer wall of the cooling copper pipe 2 is fixedly connected with a first thread ring 22, and the inner wall of the outer copper pipe 1 is provided with a first thread groove 13 matched with the first extension pipe 11; through the cooperation of first thread circle 22 and first thread groove 13, cooling copper pipe 2 is fixed in outside copper pipe 1, is favorable to the heat dissipation to heat conduction copper pipe 3.
Specifically, the outer wall of the heat conducting copper pipe 3 is fixedly connected with a second thread ring 33, and the inner wall of the cooling copper pipe 2 is provided with a second thread groove 23 matched with the second thread ring 33; through the cooperation of second thread circle 33 and second thread groove 23, make cooling copper pipe 2 fix the outer wall at heat conduction copper pipe 3, heat conduction copper pipe 3 with heat transfer to cooling copper pipe 2 on, cooling copper pipe 2 has played the radiating effect of cooling down.
Specifically, the storage tank 21 is filled with liquid nitrogen; according to the colorless, tasteless, noncorrosive, incombustible and extremely low characteristic of temperature of liquid nitrogen, played the radiating effect of cooling, do not contain impurity in the liquid nitrogen simultaneously and can not form the jam in hold up tank 21, let the coupler can not work under the high state of temperature.
Specifically, the outer walls of the first protection lug 12 and the second protection lug 32 are on the same straight line; when the pumping coupler is collided by external force due to the fact that operation of workers is not standardized, the first protection support lug 12 and the second protection support lug 32 are simultaneously stressed to protect the external copper pipe 1, and damage to the external copper pipe due to external force collision is prevented.
Specifically, a clamping groove 302 is formed between the second protection support lug 32 and the heat conduction copper pipe 3, and the external copper pipe 1 and the cooling copper pipe 2 are both fixed on the clamping groove 302; since the external copper tube 1 and the cooling copper tube 2 are both fixed to the holding groove 302, the second protection lug 32 is facilitated to protect the same.
Specifically, a second isolation groove 303 is formed between the second protection lug 32 and the external copper tube 1; the external copper pipe 1 is isolated by the second isolation groove 303, so that external force cannot directly act on the external copper pipe 1.
Specifically, a first isolation groove 101 is formed between the first protection lug 12 and the external copper pipe 1; the external copper pipe 1 is isolated by the first isolation groove 101, so that the external force is not directly applied to the external copper pipe 1.
Specifically, the second isolation groove 303 is the same size as the first isolation groove 101; when the staff operation is not normalized and results in the pumping coupler to receive external force collision, completely cut off outside copper pipe 1 simultaneously through first isolated groove 101 and the isolated groove 303 of second, make external force can not direct action on outside copper pipe 1, prevent that it from causing the damage because of receiving external force collision.
Specifically, the first extension pipe 11 and the second extension pipe 31 respectively cover the interfaces at the two ends of the heat conducting copper pipe 3; the optical fiber cable is prevented from being broken due to the influence of external force at the interface when the pump coupler is collided by the external force caused by the non-standard operation of workers.
Specifically, an air release valve 24 is fixed on the cooling copper pipe 2 through threads; the air release valve 24 refers to a novel technology disclosed as CN208457292U, because the holding tank on the valve body is connected with a pressure sensor, and the holding tank is communicated with the storage tank 21, the air pressure in the storage tank 21 is measured through the pressure sensor, when the pressure reaches a certain measured value, nitrogen gas is automatically discharged, when in operation, the liquid nitrogen in the storage tank 21 absorbs heat, the pressure is increased, the air release valve 24 is used for discharging, after the operation is completed, the residual liquid nitrogen is released and collected, when the air release valve is used next time, the air release valve 24 is screwed off, and the liquid nitrogen is injected into the storage tank 21 to cool the operation again.
The working principle and the using process of the invention are as follows: when the pump coupler is used in a manufacturing factory, the pump optical fiber 5 is welded to the main optical fiber shell 4 from the side surface, a coupling area is formed at an access point, when pump light is transmitted to the coupling area in the pump optical fiber 5, the optical field in the pump optical fiber 5 and the main optical fiber 41 is coupled due to the effect of evanescent waves, the pump light is coupled into the main optical fiber for transmission and use, because the cooling copper pipe 2 is fixed between the outer copper pipe 1 and the heat conducting copper pipe 3, the storage tank 21 is filled with liquid nitrogen, the heat conducting copper pipe 3 transmits heat to the cooling copper pipe 2, the cooling and heat dissipation effects are achieved according to the characteristics of colorless liquid nitrogen, tasteless, non-corrosive liquid nitrogen, non-combustible liquid nitrogen and extremely low temperature, meanwhile, impurities contained in the liquid nitrogen cannot form blockage in the storage tank 21, the coupler cannot work in a high-temperature state, and when the pump coupler is collided by external force due to the non-standard operation, first protection journal stirrup 12 and second protection journal stirrup 32 protect the pump coupler, avoid it to warp the damage because of receiving the influence of external force, isolate outside copper pipe 1 through first isolated groove 101 and second isolated groove 303, make external force can not direct action on outside copper pipe 1 and cooling copper pipe 2, the guard action has been played, cooling copper pipe 2 damage has been avoided, thereby influence the radiating effect, first extension pipe 11 and second extension pipe 31 cover the kneck at heat conduction copper pipe 3 both ends respectively, when preventing that the pump coupler from receiving external force collision, the optical fiber cable receives the influence of external force at the kneck and causes the tear-open, and simultaneously, all be the spiro union between this device individual part is fixed, the staff holds on first protection journal stirrup 12 and second protection journal stirrup 32, twist hard, can dismantle this device, be favorable to the inside maintenance in later stage.
Finally, it should be noted that: although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that changes may be made in the embodiments and/or equivalents thereof without departing from the spirit and scope of the invention. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (11)
1. The utility model provides a high-efficient fiber laser pumping coupler, includes outside copper pipe (1), its characterized in that: the right side integrated into one piece of outside copper pipe (1) has first extension pipe (11), the outer wall integrated into one piece of first extension pipe (11) has first protection journal stirrup (12), the inner wall fixedly connected with cooling copper pipe (2) of outside copper pipe (1), hold-up tank (21) have been seted up to the inside of cooling copper pipe (2), the inner wall fixedly connected with heat conduction copper pipe (3) of cooling copper pipe (2), the left side integrated into one piece of heat conduction copper pipe (3) has second extension pipe (31), the outer wall integrated into one piece of second extension pipe (31) has second protection journal stirrup (32), second protection journal stirrup (32) encircle the outer wall of outside copper pipe (1), the inner wall of heat conduction copper pipe (3) has main optical fiber shell (4) and pump optic fibre (5), the inside fixedly connected with main optical fiber (41) of main optical fiber shell (4), the main optical fiber (41) and the pump optical fiber (5) are connected at the central position inside the heat-conducting copper pipe (3), and a coupling space (301) matched with the main optical fiber shell (4) and the pump optical fiber (5) is formed in the heat-conducting copper pipe (3).
2. A high efficiency fiber laser pump coupler as defined in claim 1, wherein: the outer wall of the cooling copper pipe (2) is fixedly connected with a first thread ring (22), and the inner wall of the outer copper pipe (1) is provided with a first thread groove (13) matched with the first extension pipe (11).
3. A high efficiency fiber laser pump coupler as defined in claim 1, wherein: the outer wall of the heat conduction copper pipe (3) is fixedly connected with a second thread ring (33), and a second thread groove (23) matched with the second thread ring (33) is formed in the inner wall of the cooling copper pipe (2).
4. A high efficiency fiber laser pump coupler as defined in claim 1, wherein: the storage tank (21) is filled with liquid nitrogen.
5. A high efficiency fiber laser pump coupler as defined in claim 1, wherein: the outer walls of the first protection support lug (12) and the second protection support lug (32) are on the same straight line.
6. A high efficiency fiber laser pump coupler as defined in claim 1, wherein: and a clamping groove (302) is formed between the second protection support lug (32) and the heat conduction copper pipe (3), and the external copper pipe (1) and the cooling copper pipe (2) are fixed on the clamping groove (302).
7. A high efficiency fiber laser pump coupler as defined in claim 1, wherein: and a second isolation groove (303) is formed between the second protection support lug (32) and the external copper pipe (1).
8. A high efficiency fiber laser pump coupler as defined in claim 7, wherein: a first isolation groove (101) is formed between the first protection support lug (12) and the outer copper pipe (1).
9. A high efficiency fiber laser pump coupler as defined in claim 8, wherein: the second insulation groove (303) is the same size as the first insulation groove (101).
10. A high efficiency fiber laser pump coupler as defined in claim 8, wherein: the first extension pipe (11) and the second extension pipe (31) respectively cover the interfaces at the two ends of the heat conduction copper pipe (3).
11. A high efficiency fiber laser pump coupler as defined in claim 1, wherein: and the cooling copper pipe (2) is fixedly connected with an air escape valve (24).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911059589.1A CN110768091B (en) | 2019-11-01 | 2019-11-01 | High-efficiency optical fiber laser pumping coupler |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911059589.1A CN110768091B (en) | 2019-11-01 | 2019-11-01 | High-efficiency optical fiber laser pumping coupler |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN110768091A true CN110768091A (en) | 2020-02-07 |
| CN110768091B CN110768091B (en) | 2020-11-06 |
Family
ID=69335288
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201911059589.1A Active CN110768091B (en) | 2019-11-01 | 2019-11-01 | High-efficiency optical fiber laser pumping coupler |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN110768091B (en) |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5661842A (en) * | 1995-05-26 | 1997-08-26 | At&T | Method for providing submarine cable joint protection and insulation using heat shrink tubing |
| US20070001453A1 (en) * | 2005-07-04 | 2007-01-04 | Atsuo Miyajima | Protection cover for quick connector |
| CN201322811Y (en) * | 2008-12-24 | 2009-10-07 | 中国科学院半导体研究所 | Optical cable connection protecting device |
| CN201662391U (en) * | 2010-03-05 | 2010-12-01 | 昆明理工大学 | Large-strain optical fiber Bragg grating sensor |
| CN105244736A (en) * | 2015-11-19 | 2016-01-13 | 北京工业大学 | Pump coupler for KW fiber laser |
| CN106772825A (en) * | 2017-02-21 | 2017-05-31 | 国网河南省电力公司电力科学研究院 | Carbon fiber complex core optic fibre wire pecker |
| US20180252868A1 (en) * | 2017-03-03 | 2018-09-06 | Government Of The United States As Represented By The Secretary Of The Air Force | Method and system for fiber-coupled, laser-assisted ignition in fuel-lean, high-speed flows |
-
2019
- 2019-11-01 CN CN201911059589.1A patent/CN110768091B/en active Active
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5661842A (en) * | 1995-05-26 | 1997-08-26 | At&T | Method for providing submarine cable joint protection and insulation using heat shrink tubing |
| US20070001453A1 (en) * | 2005-07-04 | 2007-01-04 | Atsuo Miyajima | Protection cover for quick connector |
| CN201322811Y (en) * | 2008-12-24 | 2009-10-07 | 中国科学院半导体研究所 | Optical cable connection protecting device |
| CN201662391U (en) * | 2010-03-05 | 2010-12-01 | 昆明理工大学 | Large-strain optical fiber Bragg grating sensor |
| CN105244736A (en) * | 2015-11-19 | 2016-01-13 | 北京工业大学 | Pump coupler for KW fiber laser |
| CN106772825A (en) * | 2017-02-21 | 2017-05-31 | 国网河南省电力公司电力科学研究院 | Carbon fiber complex core optic fibre wire pecker |
| US20180252868A1 (en) * | 2017-03-03 | 2018-09-06 | Government Of The United States As Represented By The Secretary Of The Air Force | Method and system for fiber-coupled, laser-assisted ignition in fuel-lean, high-speed flows |
Also Published As
| Publication number | Publication date |
|---|---|
| CN110768091B (en) | 2020-11-06 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN101867143B (en) | Integral cooling device for high-power optical fiber laser or amplifier | |
| CN201234052Y (en) | Pump purge apparatus for double cladding optical fiber amplifier and optical fiber laser | |
| CN110768091B (en) | High-efficiency optical fiber laser pumping coupler | |
| CN112652937B (en) | Laser device with anti-return light | |
| CN112162370A (en) | Laser transmission optical cable | |
| CN105261918B (en) | A kind of pumping coupler automatically switching radiating mode | |
| CN203595850U (en) | Megawatt-class high-power fiber end cap | |
| CN207908739U (en) | A kind of high-power optical fiber coupler encapsulating structure part | |
| CN209044093U (en) | A kind of optical-fiber bundling device | |
| CN219085668U (en) | Nuclear power station condensation equipment, titanium tube stress testing device and optical fiber leading-out device | |
| CN211554420U (en) | Optical fiber protection device for transformer substation | |
| CN206059900U (en) | A kind of circulating water cooling device for semiconductor laser | |
| CN217239983U (en) | Optical fiber laser output head | |
| CN219758551U (en) | Optical fiber connector protection device | |
| CN211982398U (en) | 5G data transmission device with heat dissipation function | |
| CN213125043U (en) | High-power optical fiber cladding stripper | |
| CN214428338U (en) | Containment cooling system | |
| CN214200428U (en) | Explosion-proof integrated flame detector | |
| CN214845926U (en) | Transmission tail cable for transformer substation system | |
| CN108562977A (en) | A kind of high-power optical fiber coupler encapsulating structure part | |
| CN219875034U (en) | Roller way protection cooling device is striden to medium plate cable | |
| CN217766946U (en) | Waterproof optical fiber transceiver | |
| CN217769063U (en) | Pump beam combiner for medical laser | |
| CN211061745U (en) | Optical fiber capillary structure | |
| CN214699051U (en) | High-stability anti-corrosion coupler |
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 | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20220217 Address after: 528000 205-2, second floor, Huaya Plaza, No. 38, Shuitou section, Guihe Road, Dali Town, Nanhai District, Foshan City, Guangdong Province Patentee after: FOSHAN GUANGKE INDUSTRIAL TECHNOLOGY RESEARCH INSTITUTE Co.,Ltd. Address before: Room 217-1, 218, 2nd floor, Huaya Plaza, No.38, Shuitou section, Guihe Road, Dali Town, Nanhai District, Foshan City, Guangdong Province Patentee before: Foshan DingKe Technology Development Co.,Ltd. |
|
| TR01 | Transfer of patent right | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20240207 Address after: No.70, Zone B, Exhibition Hall, No. 998 Xuyang Road, Xuyang Economic Development Zone, Xiangdu District, Xingtai City, Hebei Province, 054000 Patentee after: Hebei Jixiang Technology Co.,Ltd. Country or region after: China Address before: 528000 205-2, second floor, Huaya Plaza, No. 38, Shuitou section, Guihe Road, Dali Town, Nanhai District, Foshan City, Guangdong Province Patentee before: FOSHAN GUANGKE INDUSTRIAL TECHNOLOGY RESEARCH INSTITUTE Co.,Ltd. Country or region before: China |
|
| TR01 | Transfer of patent right |