CN107994446B - Variable diameter cooling device for high-capacity optical fiber laser optical fiber - Google Patents
Variable diameter cooling device for high-capacity optical fiber laser optical fiber Download PDFInfo
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- CN107994446B CN107994446B CN201711308092.XA CN201711308092A CN107994446B CN 107994446 B CN107994446 B CN 107994446B CN 201711308092 A CN201711308092 A CN 201711308092A CN 107994446 B CN107994446 B CN 107994446B
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- cooling
- variable diameter
- bottom plate
- microchannel
- pedestal
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Classifications
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- 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
- H01S3/0405—Conductive cooling, e.g. by heat sinks or thermo-electric elements
-
- 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
- H01S3/05—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
Abstract
The present invention provides a kind of variable diameter cooling device for high-capacity optical fiber laser optical fiber, including the cooling bucket of variable diameter, cooling bucket pedestal and cooling bottom plate, the cooling bucket outer surface of variable diameter is equipped with the microchannel optical fiber duct of spiral variable diameter, by adjusting length of the Optical Fiber Winding on the cooling bucket of variable diameter, not only it had been able to achieve the heat dissipation to optical fiber ontology, but also can control the diameter of Optical Fiber Winding；Cooling bucket pedestal and cooling bottom plate are equipped with optical fiber microchannel guiding cooling bath, for cooling and guide optic fibre；Have the technical effect that the advantages that device on guaranteeing the cooling premise of optical fiber, it is continuously adjustable to realize fibre diameter, and variable diameter process does not need to replace any device, have integrated height, and stability is good, and scalability is strong, easy to operate.
Description
Technical field
The present invention relates to laser fiber cooling technology fields, are specifically related to a kind of for high-capacity optical fiber laser optical fiber
Variable diameter cooling device.
Background technique
Optical fiber laser has electro-optical efficiency high, and output beam quality is good, and heat management is convenient, work stable etc.
Advantage, in recent years always scientific research personnel research hot spot.The 50mW exported from Gapontsev in 1991 et al. laser, is arrived
The 10KW of IPG company laser single-mode output in 2009, exponentially shape increases the output power of optical fiber laser, improves in power
Meanwhile requirement of the scientific research personnel to quality for outputting laser beam is also higher and higher.
Currently, there are mainly two types of structures for optical fiber laser, one is fiber bragg grating (FBG) structure, another kind is
Master oscillation power amplification (MOPA) structure.The beam quality of the optical fiber laser of two kinds of structures, output laser can be with power
Promotion be gradually reduced, this is mainly due to the nonlinear effect of inside of optical fibre and thermal lensing effects, and inside of optical fibre is caused to export
The mode of laser is deteriorated, and while limiting laser output power, seriously reduces the beam quality of output laser.In order to further
Its output power is promoted, guarantees its beam quality, it is necessary to the cooling temperature and zlasing mode of stringent control gain fibre.It will increase
Beneficial fibre-optical bending can effectively improve loss (Wang little Lin, " the LD pumping master oscillation power amplification structure of high-order mode to suitable dimension
4.1KW full-optical-fiber laser ", Chinese laser, 2016,43,0502002), the zlasing mode of inside of optical fibre can be significantly improved.
Existing optical fiber cooling apparatus, mostly use on cylinder or coldplate coiled fashion to optical fiber carry out it is cooling (such as
CN201210362883.1, CN201520088049.7, CN201610459695.9), these devices have the disadvantage in that (1)
It is arranged closely together between optical fiber, the heat dissipation being unfavorable between optical fiber, causes heat dissipation uneven；(2) inlet and outlet of optical fiber
Between there is overlapping place, cross over point temperature is excessively high, increases the probability that optical fiber is burnt；(3) fiber optic disc around diameter is immutable, with
When the mode of high-power fiber filters out, optical fiber is directly coiled into ringlet, and the heat load of ringlet initial end increases, and increases optical fiber and burns
The probability ruined；(4) fiber optic disc around diameter is immutable, if you need to change diameter, needs replacing water cooling bucket or water-cooled plate, cumbersome.
Summary of the invention
In view of the above-mentioned problems of the prior art, the present invention provides a kind of change for high-capacity optical fiber laser optical fiber
Diameter cooling device under the premise of being changed without any device, may be implemented Optical Fiber Winding diameter and connect in 6 ~ 16cm by the device
Continue adjustable, for filtering out the higher order mode in optical fiber, and Optical Fiber Winding diameter is to be gradually reduced, and microchannel guides cooling bath distribution
Rationally, the pressure of optical fiber heat treatment is greatly decreased.Specific technical solution is a kind of change for high-capacity optical fiber laser optical fiber
Diameter cooling device, comprising: variable diameter cooling cylinder, cooling cylinder pedestal and cooling bottom plate, it is characterised in that: the variable diameter cooling cylinder includes
Cylinder, spiral variable diameter guide flow skeleton, drain mouth, circular seal plate are small, circular seal plate is big, sealed silicon cushion rubber is small, sealed silicone
Big, soket head cap screw is enclosed, cylinder is length 20cm, and the reducing cylinder of 6.2 ~ 16.2cm of diameter, there be the micro- logical of spiral variable diameter in outer surface
Road cooling bath, coil diameter 6 ~ 16cm continuous variable of microchannel cooling bath, adjacent cooling separation 0.5cm, spiral variable diameter are led
Stream skeleton is the diameter-changing body for being slightly less than cylinder inside dimension, and water conservancy diversion skeletal internal is solid, cooling of the outer surface equipped with spiral variable diameter
Channel, coolant liquid enter from this channel, carry out heat loss through conduction to cylinder inboard wall, spiral variable diameter guide flow skeleton is screwed in cylinder and pasted
It closes in cylinder inner surface, sealed silicon cushion rubber small circular sealing plate is small, is sequentially placed into cylinder osculum end face, and close with soket head cap screw
Envelope is fixed together, and sealed silicon cushion rubber is big, circular seal plate is sequentially placed into greatly cylinder big opening end face, and is sealed with soket head cap screw
Be fixed together, two drain mouths be individually fixed in that circular seal plate is small and the big centre bore of circular seal plate in, the cooling
Cylinder pedestal includes that pedestal, microchannel cooling bath import one, microchannel cooling bath outlet one, guiding cooling bath, cooling bucket pedestal are oblique
Slope, cooling bucket pedestal cooling duct, plug is short, plug is long, the cooling bucket bracket of variable diameter is short, the cooling bucket bracket of variable diameter is long；In pedestal
There is the staggered pedestal cooling duct of transverse and longitudinal in portion, passes to pedestal collar extension, and short with plug and plug is long stifled tight, reserves inlet opening and goes out
Water hole is connect with water drain mouth；The cooling bucket pedestal slope of the cooling bucket outer surface of fitting variable diameter is arranged at pedestal top, micro- at bottom of slope
The tangent connection of microchannel cooling bath of channel lead cooling bath and spiral variable diameter, every microchannel guide cooling flute length 37.5cm,
The spacing that adjacent microchannel guides cooling bath is 0.5cm, fixed respectively to become in the pedestal upper surface of cooling bucket pedestal slope two sides
The cooling bucket bracket of diameter is short, the cooling bucket bracket of variable diameter is long；Two drain mouths of variable diameter cooling cylinder are respectively placed in the cooling bucket bracket of variable diameter
In short, the cooling bucket bracket length of variable diameter, having a shallow grooves in the upper surface of pedestal side is optic fibre guide slot, and trough rim has microchannel cold
But slot import one, microchannel cooling bath outlet one, the cooling bottom plate, including cooling bottom plate upper plate, cooling bottom plate lower plate, cooling
Cylinder pedestal connecting hole, cooling bottom plate microchannel cooling bath import two, cooling bottom plate microchannel cooling bath outlet two, cooling bottom plate are micro-
The center of channel cooling bath, cooling bottom plate upper plate and cooling bottom plate lower plate is hollow out, and is equipped with cooling in cooling bottom plate upper plate
Cylinder pedestal link slot is for cooling cylinder pedestal to be embedded in；Cooling bottom plate upper plate lower surface be equipped with annular cooling channel,
Annular cooling bottom plate microchannel cooling bath is with outside cooling cylinder pedestal link slot, to be equipped with cooling bottom plate in cooling bottom plate upper plate micro- logical
Road cooling bath import two, cooling bottom plate microchannel cooling bath outlet two, cooling bottom plate lower plate be equipped with inlet opening and apopore and with
The connection of water drain mouth, cooling bottom plate upper plate are connected with the inner face of cooling bottom plate lower plate by welded seal, and cooling cylinder pedestal is solid
Due in the cooling cylinder pedestal connection hole slot of cooling bottom plate；Coolant channels are connected as, the cooling bucket of variable diameter, cooling bucket pedestal and
The triangular water drain mouth of cooling bottom plate successively connects, and coolant liquid is successively from the cooling bucket of variable diameter, cooling bucket pedestal and cooling bottom
Plate is drawn after each device inside circulates, and improves the service efficiency of coolant liquid；Optical fibre channel is connected as, and optical fiber is by cooling down
Bottom plate microchannel cooling bath introduces, and passes sequentially through optical fiber cooling bottom plate microchannel cooling bath import two, cooling bucket pedestal microchannel
Cooling bath import one, spiral variable diameter microchannel cooling bath, microchannel guiding cooling bath, cooling bucket pedestal microchannel cooling bath outlet
One, it is finally drawn from cooling bottom plate microchannel cooling bath outlet two.
The solution have the advantages that guaranteeing the heat-exchange capacity of coolant liquid and the cooling bucket of variable diameter, refrigeration effect is improved, it is right
Winding optical fiber effectively radiated, and coiling diameter be gradually change, when optical fiber high power operate when, reduction adjacent fiber it
Between heat load, effectively reduce the excessively high probability burnt of optical fiber local temperature；No replacement is required when use any components, and take
It is easy to build, easy to operate, can other external devices are further is expanded.
Detailed description of the invention
Fig. 1 is structural schematic diagram of the invention；
Fig. 2 is the cooling barrel structure stereoscopic schematic diagram of variable diameter of the present invention；
Fig. 3 is the explosive decomposition schematic diagram of Fig. 2；
Fig. 4 is cooling bucket understructure stereoscopic schematic diagram of the invention；
Fig. 5 is the explosive decomposition schematic diagram of Fig. 4；
Fig. 6 is the volume rendering structural schematic diagram of cooling bottom plate of the invention.
Specific embodiment
To make the objectives, technical solutions, and advantages of the present invention clearer, below in conjunction with drawings and examples to this
Invention further illustrates:
As shown in Figure 1, provided by the present invention for the variable diameter cooling device of high-capacity optical fiber laser, cooling device packet
It includes: the cooling bucket 1 of variable diameter, cooling bucket pedestal 9 and cooling bottom plate 14.
As shown in Figure 2,3, the length of the cooling bucket 1 of variable diameter is 20cm, and diameter is 6.2 ~ 16.2cm, and outer surface is equipped with spiral
The microchannel cooling bath 1-1 of variable diameter, diameter are 6 ~ 16cm, and adjacent cooling separation is 0.5cm；Cooling 1 two sides of the bucket installation of variable diameter
There is drain mouth 3, for guiding coolant liquid.
The spiral variable diameter guide flow skeleton 2 for the cooling bucket Homogeneouslly-radiating of variable diameter, outer surface are equipped with inside the cooling bucket 1 of variable diameter
It is bonded completely with the inner surface of the cooling bucket of variable diameter, the left and right sides of the cooling bucket 1 of variable diameter is equipped with circular seal plate small 4 and circular seal
Plate is big by 5, is equipped with sealed silicon cushion rubber small 6 between circular seal plate and the cooling bucket 1 of variable diameter and sealed silicon cushion rubber is big by 7, pass through interior hexagonal
Screw 8 is sealed.
As shown in Figure 4,5, cooling 9 top of bucket pedestal is equipped with the cooling bucket pedestal slope 9- of the cooling bucket outer surface of fitting variable diameter
4, the cooling bucket pedestal slope lower part 9-4 is that microchannel guides cooling bath 9-3, microchannel guide the radius of the lower part cooling bath 9-3 with
The radius of the cooling bucket 1 of variable diameter is consistent, guides cooling bath and slope lower part is tangent, and the spacing of adjacent guiding cooling bath is 0.5cm, directly
Diameter is 6 ~ 16cm, and microchannel guides each slot of cooling bath 9-3, is finally all pooled together cold with the microchannel of cooling bucket pedestal 9
But one 9-1 of slot import and cooling bucket pedestal microchannel cooling bath export a 9-2 and connect.
It cools down 9 outer surface of bucket pedestal to set there are two height different support, respectively variable diameter cools down bucket bracket short 12 and variable diameter
Cooling bucket bracket long 13.
It is equipped with cooling bucket pedestal cooling duct 9-5 inside cooling bucket pedestal 9, passes through plug short 10 and plug long 11, control
Coolant liquid takes away the heat of optical fiber on cooling bucket pedestal 9 in cooling 9 inside Tortuous flow of bucket pedestal to greatest extent.
As shown in fig. 6, two 14-2 of cooling bottom plate microchannel cooling bath import and cooling bottom plate microchannel cooling bath outlet two
14-3 exports a 9-2 phase with cooling one 9-1 of bucket pedestal microchannel cooling bath import and cooling bucket pedestal microchannel cooling bath respectively
It connects；Cooling duct is equipped on the downside of the upper plate 14-4 of cooling bottom plate, the lower plate 14-5 of cooling bottom plate is equipped with liquid in-out mouth；Cooling bottom plate
Upper plate 14-4 and cooling bottom plate lower plate 14-5 between by welding realize be tightly connected.
As shown in Fig. 3,5,6, in application, coolant liquid according to flow direction enter the cooling bucket 1 of variable diameter, cooling bucket pedestal 9 with
And cooling bottom plate 14, triangular water drain mouth 3 successively connect, coolant liquid is circulated in each device inside, improves coolant liquid
Refrigerating efficiency；Optical fiber passes sequentially through two 14-2 of cooling bottom plate microchannel cooling bath import, cooling bucket pedestal microchannel cooling bath
One 9-1 of import, spiral variable diameter microchannel cooling bath 1-1, microchannel guiding cooling bath 9-3, cooling bucket pedestal microchannel cooling bath
It exports a 9-2 and cooling bottom plate microchannel cooling bath exports two 14-3, the length of optical fiber on bucket 1 is cooled down by adjusting variable diameter,
The diameter of Optical Fiber Winding on it is controlled, when optical fiber high-order mode formula filters out, according to the demand of different-diameter, in adjustable range
The diameter of interior any change Optical Fiber Winding, system can uniformly radiate to winding optical fiber while guaranteeing coiling diameter,
It can long-time steady operation.
Advantage:
1, provided by the present invention for the optical fiber variable diameter cooling device of high-capacity optical fiber laser, using in the cooling bucket of variable diameter
The mode of inside plus spiral variable diameter guide flow skeleton increases the contact strength of coolant liquid and the cooling bucket inner wall of variable diameter, guarantees coolant liquid
With the heat-exchange capacity of the cooling bucket of variable diameter, refrigeration effect is improved；
2, provided by the present invention for the variable diameter cooling device of high-capacity optical fiber laser optical fiber, by the way that fiber optic disc around is existed
On the cooling bucket microchannel guiding cooling bath of variable diameter, 6 ~ 16cm of Optical Fiber Winding diameter continuous variable (change in size precision is realized
0.5cm), it while strict control coiling diameter, is effectively radiated to winding optical fiber, and coiling diameter is to gradually change,
When the mode for high-power fiber filters out, heat load is evenly distributed on winding optical fiber, reduces optical fiber local temperature mistake
The probability that height is burnt；
3, provided by the present invention for the variable diameter cooling device of high-capacity optical fiber laser optical fiber, by cooling cylinder pedestal
The guide channel of rational deployment realizes the close connection of variable diameter cooling cylinder and cooling bottom plate, ensure that winding optical fiber and cooling device
It is seamless applying, realize to the Homogeneouslly-radiating for placing optical fiber, lay the foundation for optical fiber laser long-term stable work；
4, provided by the present invention for the variable diameter cooling device of high-capacity optical fiber laser optical fiber, microchannel guides cooling bath
The equal no overlap point of the optical fiber of interior placement, guarantee optical fiber is in high power operation, temperature controlled stability；
5, provided by the present invention for the variable diameter cooling device of high-capacity optical fiber laser optical fiber, when use, no replacement is required appoints
What components, and build it is easy, it is easy to operate, can other external devices be further is expanded.
Claims (1)
1. a kind of variable diameter cooling device for high-capacity optical fiber laser optical fiber, comprising: variable diameter cooling cylinder (1), cooling cylinder bottom
Seat (9) and cooling bottom plate (14), which is characterized in that the variable diameter cooling cylinder (1) includes cylinder (1-1), spiral variable diameter guide flow bone
Frame (2), drain mouth (3), circular seal plate small (4), circular seal plate big (5), sealed silicon cushion rubber small (6), sealed silicon cushion rubber are big
(7), soket head cap screw (8), cylinder (1-1) are length 20cm, and the reducing cylinder of 6.2 ~ 16.2cm of diameter, there is spiral variable diameter in outer surface
Microchannel cooling bath (1-1-1), coil diameter 6 ~ 16cm continuous variable of microchannel cooling bath (1-1-1), adjacent cooling bath
Spacing 0.5cm, spiral variable diameter guide flow skeleton (2) are the diameter-changing body for being slightly less than cylinder (1-1) inside dimension, and water conservancy diversion skeleton (2) is internal
To be solid, outer surface be equipped with spiral variable diameter cooling duct (2-1), coolant liquid from this channel enter, to cylinder (1-1) inner wall into
Row heat loss through conduction, spiral variable diameter guide flow skeleton (2) screw in cylinder (1-1) and are fitted in cylinder (1-1) inner surface, sealed silicone
It encloses small (6), circular seal plate small (4), be sequentially placed into cylinder (1-1) osculum end face, and be fixed on soket head cap screw (8) sealing
Together, sealed silicon cushion rubber big (7), circular seal plate big (5) are sequentially placed into cylinder (1-1) big opening end face, and use soket head cap screw
(8) sealing is fixed together, and two drain mouths (3) are individually fixed in circular seal plate small (4) and circular seal plate big (5)
In heart hole, the cooling cylinder pedestal (9) includes that pedestal (9-6), microchannel cooling bath import one (9-1), microchannel cooling bath go out
One (9-2) of mouth, guiding cooling bath (9-3), cooling bucket pedestal slope (9-4), cooling bucket pedestal cooling duct (9-5), plug are short
(10), plug long (11), variable diameter cooling bucket bracket short (12), the cooling bucket bracket of variable diameter are long (13)；There is transverse and longitudinal inside pedestal (9-6)
Staggered pedestal cooling duct (9-7) passes to pedestal (9-6) collar extension, and stifled tight with plug short (10) and plug long (11), reserves
Inlet opening (9-9) and apopore (9-10) are connect with drain mouth (3)；The cooling bucket outer surface of fitting variable diameter is arranged at the top pedestal (9-6)
Cooling bucket pedestal slope (9-4), the microchannel cooling bath of microchannel guiding cooling bath (9-3) and spiral variable diameter at bottom of slope
(1-1-1) tangent connection, every microchannel guide cooling bath (9-3) long 37.5cm, and adjacent microchannel guides cooling bath (9-3)
Spacing is 0.5cm, in upper surface pedestal (9-6) of cooling two sides bucket pedestal slope (9-4), fixes the cooling bucket bracket of variable diameter respectively
The cooling bucket bracket of short (12), variable diameter is long (13)；Two drain mouths (3) of variable diameter cooling cylinder (1) are respectively placed in the cooling bucket branch of variable diameter
On the cooling bucket bracket of frame short (12), variable diameter long (13), having a shallow grooves in the upper surface of the side pedestal (9-6) is optic fibre guide slot
(9-8), trough rim have microchannel cooling bath import one (9-1), microchannel cooling bath export one (9-2), the cooling bottom plate (14),
It is micro- logical including cooling bottom plate upper plate (14-4), cooling bottom plate lower plate (14-5), cooling cylinder pedestal link slot (14-1), cooling bottom plate
Road cooling bath import two (14-2), cooling bottom plate microchannel cooling bath export two (14-3), cooling bottom plate microchannel cooling bath
The center of (14-6), cooling bottom plate upper plate (14-4) and cooling bottom plate lower plate (14-5) is hollow out, and in cooling bottom plate upper plate
(14-4) is equipped with cooling cylinder pedestal link slot (14-1) for cooling cylinder pedestal (9) to be embedded in；In cooling bottom plate upper plate
The lower surface (14-4) is micro- equipped with annular cooling bottom plate is with outside annular cooling channel (14-7), cooling cylinder pedestal link slot (14-1)
Channel cooling bath (14-6) is equipped with cooling bottom plate microchannel cooling bath import two (14-2), cold at cooling bottom plate upper plate (14-4)
But bottom plate microchannel cooling bath exports two (14-3), cooling bottom plate lower plate (14-5) is equipped with inlet opening (14-8) and apopore (14-
9) it and with drain mouth (3) connect, the inner face of cooling bottom plate upper plate (14-4) and cooling bottom plate lower plate (14-5) is close by welding
Envelope connection, cooling cylinder pedestal (9) are fixed in the cooling cylinder pedestal link slot (14-1) of cooling bottom plate (14)；Coolant channels connect
It is connected in, variable diameter cooling bucket (1), cooling bucket pedestal (9) and the triangular drain mouth (3) of cooling bottom plate (14) successively connect, cold
But liquid successively draws after each device inside circulates from variable diameter cooling bucket (1), cooling bucket pedestal (9) and cooling bottom plate (14)
Out, the service efficiency of coolant liquid is improved；Optical fibre channel is connected as, and optical fiber is drawn by cooling bottom plate microchannel cooling bath (14-6)
Enter, passes sequentially through optical fiber cooling bottom plate microchannel cooling bath import two (14-2), cooling bucket pedestal microchannel cooling bath import one
(9-1), spiral variable diameter microchannel cooling bath (1-1-1), microchannel guiding cooling bath (9-3), cooling bucket pedestal microchannel are cooling
Slot exports one (9-2), finally from the outlet of cooling bottom plate microchannel cooling bath, two (14-3) are drawn.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711308092.XA CN107994446B (en) | 2017-12-11 | 2017-12-11 | Variable diameter cooling device for high-capacity optical fiber laser optical fiber |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711308092.XA CN107994446B (en) | 2017-12-11 | 2017-12-11 | Variable diameter cooling device for high-capacity optical fiber laser optical fiber |
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| CN107994446A CN107994446A (en) | 2018-05-04 |
| CN107994446B true CN107994446B (en) | 2019-06-21 |
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| CN201711308092.XA Active CN107994446B (en) | 2017-12-11 | 2017-12-11 | Variable diameter cooling device for high-capacity optical fiber laser optical fiber |
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Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN109449729B (en) * | 2018-09-20 | 2019-11-15 | 深圳市大德激光技术有限公司 | A kind of optical fiber coiling device of ultrafast pulsed laser device |
| CN112038877B (en) * | 2020-11-04 | 2021-01-26 | 中国工程物理研究院激光聚变研究中心 | Heat dissipation piece and fiber laser |
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| JP2004356421A (en) * | 2003-05-29 | 2004-12-16 | Fujikura Ltd | Optical fiber laser |
| JP2010153673A (en) * | 2008-12-26 | 2010-07-08 | Mitsuboshi Diamond Industrial Co Ltd | Optical fiber laser device |
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| US8340482B2 (en) * | 2009-03-31 | 2012-12-25 | Furukawa Electric Co., Ltd. | Optical fiber holding apparatus |
| CN103545704B (en) * | 2013-10-31 | 2016-07-13 | 中国电子科技集团公司第四十六研究所 | Implanted profile pump coupling process |
| US9680279B2 (en) * | 2014-09-10 | 2017-06-13 | Bae Systems Information And Electronic Systems Integration Inc. | Ruggedized fiber optic laser for high stress environments |
| CN204615141U (en) * | 2015-05-15 | 2015-09-02 | 中国电子科技集团公司第四十六研究所 | A kind of modular optical fibre laser |
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| JP2004356421A (en) * | 2003-05-29 | 2004-12-16 | Fujikura Ltd | Optical fiber laser |
| JP2010153673A (en) * | 2008-12-26 | 2010-07-08 | Mitsuboshi Diamond Industrial Co Ltd | Optical fiber laser device |
| CN104991310A (en) * | 2015-07-23 | 2015-10-21 | 深圳市创鑫激光股份有限公司 | Liquid-cooled optical fiber collimator and laser |
| CN105846295A (en) * | 2016-05-20 | 2016-08-10 | 南方科技大学 | Fiber reel device |
| CN105977770A (en) * | 2016-06-23 | 2016-09-28 | 中国人民解放军国防科学技术大学 | Cooling device for all-fiber amplifier |
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