CN105244740B - Optical fiber cooling apparatus for optical fiber laser - Google Patents
Optical fiber cooling apparatus for optical fiber laser Download PDFInfo
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- CN105244740B CN105244740B CN201510718563.9A CN201510718563A CN105244740B CN 105244740 B CN105244740 B CN 105244740B CN 201510718563 A CN201510718563 A CN 201510718563A CN 105244740 B CN105244740 B CN 105244740B
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Abstract
The present invention relates to optical fiber laser fields, specifically provide a kind of optical fiber cooling apparatus for optical fiber laser.The optical fiber cooling apparatus includes optical fiber,Optical fiber inputs clamping piece,Optical fiber output clamping piece and the cooling pipe moved for cooling fluid stream,The cooling pipe includes multiple cooling tubes and multiple switching clamping pieces,Each two adjacent cooling tube passes through a switching clamping piece connection in the multiple cooling tube,One of cooling tube is located at one end of cooling pipe and another cooling tube is located at the other end of cooling pipe,Optical fiber input clamping piece is fixedly connected on the cooling tube for being located at cooling pipe one end,Optical fiber output clamping piece is fixedly connected on the cooling tube for being located at the cooling pipe other end,The optical fiber and the cooling fluid input clamping piece by optical fiber and enter cooling pipe and successively after the multiple cooling tube from optical fiber output clamping piece extraction,The optical fiber is clamped in cooling pipe by the multiple switching clamping piece.
Description
Technical field
The present invention relates to optical fiber laser fields, and dress is cooled down in particular to a kind of optical fiber for optical fiber laser
It sets.
Background technology
Using rare earth doped fiber as laser gain medium optical fiber laser due to compared to other types laser utensil
There are high efficiency, high light beam quality, many advantages such as compact-sized, maintenance cost is low, is widely used to industry, medical treatment in recent years
And national defence.However, with the promotion of output power, optical fiber in optical fiber laser during laser converts due to
Fuel factor caused by Excited state is more notable.Optical fiber fuel factor can lead to thermal lensing effect, thermotropic energy loss, optical fiber heat waste
The problems such as hindering.
Generally use conducts the type of cooling to cope with optical fiber laser especially high-capacity optical fiber laser in the prior art
Fuel factor problem, at this cool down conduction pattern in, optical fiber is fixed in metal heat sink, and by between optical fiber and metal heat sink
Between conductive material evacuate the heat being gathered in optical fiber.However, (being applied since the heatproof of the coat of fiber outer layer is relatively low
The burning point of coating is usually less than 200 degrees Celsius) and above-mentioned conductive material be difficult to it is close with optical fiber surface and metal heat sink surface
Engagement leads to conduct the type of cooling with limited heat-sinking capability, and the output power to restrict optical fiber laser is promoted.
Invention content
The purpose of the present invention is to provide a kind of optical fiber cooling apparatus for optical fiber laser, to improve in the prior art
The problem of optical fiber type of cooling for optical fiber laser limits the output power of optical fiber laser.
The invention is realized in this way:
A kind of optical fiber cooling apparatus for optical fiber laser, including optical fiber, optical fiber input clamping piece, optical fiber output clamping
Part and the cooling pipe moved for cooling fluid stream, the cooling pipe includes multiple cooling tubes and multiple switching clamping pieces, institute
It states each two adjacent cooling tube in multiple cooling tubes to connect by a switching clamping piece, one of them described cooling tube
Positioned at one end of the cooling pipe, another described cooling tube is located at the other end of the cooling pipe, the optical fiber input
Clamping piece is fixedly connected on the cooling tube for being located at described cooling pipe one end, and the optical fiber output clamping piece is fixedly connected on
The cooling tube positioned at the cooling pipe other end, the optical fiber and the cooling fluid pass through the optical fiber input clip
Gripping member enters the cooling pipe and is being drawn successively from the optical fiber output clamping piece after the multiple cooling tube, institute
Optical fiber is stated to be clamped by the multiple switching clamping piece in the cooling pipe.
Further, the multiple switching clamping piece is cylinder, and each switching clamping piece is provided with to be located at and be somebody's turn to do
Through-hole is clamped in optical fiber at clamping piece center of inside of transferring position, and through-hole is clamped by the optical fiber in each switching clamping piece
It is clamped the optical fiber, the inside of each switching clamping piece is additionally provided with multiple cooling channels, the cooling fluid
Each switching clamping piece is passed through by the multiple cooling channels.On the one hand, through-hole pair can be clamped by optical fiber
Optical fiber is clamped to prevent optical fiber from being contacted with the wall surface of cooling pipe;On the other hand, cooling channels can contribute to cold
But fluid forms turbulent flow in cooling tube, to enhance the heat-exchange capacity of optical fiber and cooling fluid in cooling tube.
Further, the multiple cooling channels are evenly provided on one concentric with optical fiber clamping through-hole
On circumference.Setting cooling channels are conducive to preferably form turbulent flow in cooling pipe by this method.
Further, the outside of the optical fiber is coated with coat, between the coat and optical fiber clamping through-hole
Filled with low-refraction glue-line or thermal conductive material layer.In the case, low-refraction glue-line or thermal conductive material layer help to consolidate
Ground grip optical fiber;Further, since part of the optical fiber not by optical fiber clamping through-hole clamping is in direct contact cooling fluid, and optical fiber quilt
The part of optical fiber clamping through-hole clamping can be conducted its heat to cooling fluid by low-refraction glue-line or thermal conductive material layer,
So as to realize preferable heat transfer effect between optical fiber and cooling fluid.
Further, the optical fiber is the naked fibre for removing coat, is filled between the optical fiber and the switching clamping piece
There are low-refraction glue-line or thermal conductive material layer.In the case, low-refraction glue-line or thermal conductive material layer help firmly to press from both sides
Hold optical fiber;Further, since coat is not present in outer fiber, thus the low heat resisting temperature of coat and low can be no longer limited by
Pyroconductivity so that better heat transfer effect may be implemented.
Further, the optical fiber input clamping piece includes the first noumenon, is set to the optical fiber introducing of the first noumenon
Hole and at least one cooling fluid entrance hole, the optical fiber enters the cooling pipe by the optical fiber introduction hole, described cold
But fluid enters the cooling pipe by least one cooling fluid entrance hole.Clamping piece is inputted by this optical fiber, it can
With so that optical fiber is placed in cooling pipe and can easily into cooling pipe introduce cooling fluid with to optical fiber into
Row cooling.
Further, the optical fiber output clamping piece includes the second ontology, is set to the optical fiber extraction of second ontology
Hole and at least one cooling fluid leadout hole, the optical fiber is drawn by the optical fiber fairlead from the cooling pipe, described
Cooling fluid is exported by least one cooling fluid leadout hole from the cooling pipe.It is clamped by this optical fiber output
Optical fiber easily can be drawn from the other end of cooling pipe and can easily be exported from the other end of cooling pipe by part
The cooling fluid after heat exchange is carried out with optical fiber.
Further, the internal face of each cooling tube in the cooling tube is provided with heat-resisting material layer and passes through anti-corrosion
Processing.Therefore, during being cooled down to optical fiber, it can prevent cooling tube from deforming simultaneously since cooling fluid overheats
And cooling tube can be prevented to be cooled flow-induced corrosion.
Further, the cooling tube is flexible pipe.In this case, it is possible to easily to cooling pipe coiled with
Accord with the shape of fiber optic loop.
Further, the one kind of the cooling fluid in deionized water and fluorination liquid.Deionized water and fluorination liquid two
Person all has higher light transmittance, high fluidity, high convection transfer rate, high material compatibility and the coat phase with optical fiber
Relatively low refractive index, thus preferably the optical fiber in optical fiber laser can be cooled down.
The advantageous effect that the present invention realizes:Optical fiber cooling apparatus provided in an embodiment of the present invention for optical fiber laser exists
When work, optical fiber can input clamping piece by optical fiber and optical fiber output clamping piece is maintained in cooling pipe, and can lead to
The clamping action of switching clamping piece is crossed without being contacted with the wall surface of the cooling tube in cooling pipe, to make the surface of optical fiber
With in cooling pipe the cooling fluid of one-way flow be in direct contact so that optical fiber can by with cooling fluid carry out convection current
Heat exchange and be cooled efficiently.It can thus be seen that the optical fiber provided in an embodiment of the present invention for optical fiber laser cools down
Device effectively can cool down optical fiber by using the mandatory fluid convection type of cooling, to be conducive to promote optical fiber
The output power of laser, and be conducive to inhibit optical fiber laser in the relevant negative physical effect of fiber optic temperature.
Description of the drawings
Fig. 1 is the schematic diagram of the optical fiber cooling apparatus provided in an embodiment of the present invention for optical fiber laser;
Fig. 2 is showing for the switching clamping piece in the optical fiber cooling apparatus provided in an embodiment of the present invention for optical fiber laser
Meaning property sectional view;
Fig. 3 is the optical fiber input clamping piece in the optical fiber cooling apparatus provided in an embodiment of the present invention for optical fiber laser
End view;
Fig. 4 is the optical fiber output clamping piece in the optical fiber cooling apparatus provided in an embodiment of the present invention for optical fiber laser
End view.
Wherein, reference numeral is summarized as follows:Optical fiber 110, optical fiber input clamping piece 120, and optical fiber output clamping piece 150 is cold
But through-hole 141, cooling channels 142, the first noumenon 121, optical fiber introduction hole is clamped in pipe 130, clamping piece 140 of transferring, optical fiber
122, cooling fluid entrance hole 123, the second ontology 151, optical fiber fairlead 152, cooling fluid leadout hole 153.
Specific implementation mode
The output power of optical fiber laser is limited in view of the optical fiber type of cooling for being used for optical fiber laser in the prior art
Problem, the present inventor visualize a kind of optical fiber cooling apparatus for optical fiber laser.The optical fiber cooling apparatus includes optical fiber, light
Fibre input clamping piece, optical fiber output clamping piece and the cooling pipe moved for cooling fluid stream, the cooling pipe includes multiple
Cooling tube and multiple switching clamping pieces for connecting the multiple cooling tube, optical fiber input clamping piece and optical fiber output clamping piece
Be respectively fixedly connected in the both ends of the cooling pipe, the optical fiber and the cooling fluid by optical fiber input clamping piece into
Enter cooling pipe and drawn successively from the optical fiber output clamping piece after the multiple cooling tube, the optical fiber is cold
But it is clamped by the multiple switching clamping piece in pipeline.When the optical fiber cooling apparatus works, optical fiber can be inputted by optical fiber
Clamping piece and optical fiber output clamping piece are maintained in cooling pipe, and can by transfer clamping piece clamping action without with
The wall surface of cooling tube in cooling pipe contacts, to make the surface of optical fiber can in cooling pipe one-way flow it is cold
But fluid is in direct contact, so that optical fiber can be cooled efficiently by carrying out convective heat exchange with cooling fluid.
Below in conjunction with attached drawing in the embodiment of the present invention, technical solution in the embodiment of the present invention carries out clear, complete
Ground describes, it is clear that described embodiments are only a part of the embodiments of the present invention, instead of all the embodiments.Usually exist
The component of the embodiment of the present invention described and illustrated in attached drawing can be arranged and be designed with a variety of different configurations herein.Cause
This, the detailed description of the embodiment of the present invention to providing in the accompanying drawings is not intended to limit claimed invention below
Range, but it is merely representative of the selected embodiment of the present invention.Based on the embodiment of the present invention, those skilled in the art are not doing
The every other embodiment obtained under the premise of going out creative work, shall fall within the protection scope of the present invention.
Fig. 1 is the schematic diagram of the optical fiber cooling apparatus provided in an embodiment of the present invention for optical fiber laser.Please
Refering to fig. 1, the optical fiber cooling apparatus provided in an embodiment of the present invention for optical fiber laser may include that optical fiber 110, optical fiber are defeated
Enter clamping piece 120, optical fiber output clamping piece 150 and for the dynamic cooling pipe of cooling fluid stream, wherein cooling pipe includes more
A cooling tube 130 and multiple switching clamping pieces 140.Optical fiber 110 can be rare earth doped fiber, be used to make in optical fiber laser
Laser gain medium.
Each two adjacent cooling tube 130 passes through a switching clamping piece in multiple cooling tubes 130 that cooling pipe includes
140 connections.In a kind of specific implementation mode of the present invention, a cooling tube 130 is located at cooling pipe in multiple cooling tubes 130
One end and multiple cooling tubes 130 in another cooling tube 130 be located at the other end of cooling pipe, that is to say, that it is cooling
The both ends of pipeline are cooling tube 130.9 cooling tubes 130 and 8 switching clamping pieces are shown for illustrative purposes in Fig. 1,
However its number is not limited to this.The cooling tube 130 positioned at one end of cooling pipe can input clamping piece with optical fiber
120 are fixedly connected, and the cooling tube 130 of the other end positioned at cooling pipe can be fixed with optical fiber output clamping piece 150 to be connected
It connects.Optical fiber 110 and cooling fluid can be inputted clamping piece 120 by optical fiber and enter cooling pipe and successively by multiple
It is drawn from optical fiber output clamping piece 150 after cooling tube 130, optical fiber 110 is pressed from both sides in cooling pipe by multiple switching clamping pieces 140
It holds.
It is understood that in other specific implementation modes of the present invention, the both ends of cooling pipe can also be to turn
The both ends for connecing clamping piece 140 or cooling pipe can also be respectively cooling tube 130 and switching clamping piece 140, and the present invention is specific
Embodiment is not limited thereto.
In a kind of specific implementation mode, each cooling tube 130 can be flexible pipe, such as plastic tube so that Ke Yirong
It changes places and cooling pipe is coiled to be consistent with the shape of the fiber optic loop in optical fiber laser.In another specific implementation mode
In, each cooling tube 130 can also be rigid pipe such as metal tube, and in the case, the shape of each cooling tube 130 should be by
Be set so that by multiple cooling tubes 130 and multiple cooling pipes for being formed of switching clamping piece 140 be in optical fiber laser
The helical form that the shape of fiber optic loop is consistent.
It should be noted that the total length of multiple cooling tubes 130 should be set according to the length of optical fiber 110, and
Multiple cooling tubes 130 can have identical or different length, the specific embodiment of the invention to be not limited thereto.
Further, the internal face of each cooling tube 130 can be provided with heat-resisting material layer and pass through preservative treatment.Cause
This can prevent cooling tube 130 from deforming simultaneously since cooling fluid overheats during being cooled down to optical fiber 110
And cooling tube 130 can be prevented to be cooled flow-induced corrosion.
Each switching clamping piece 140 all can be cylinder, which can be cylinder, the plastics material of metal material
The cylinder of the cylinder of matter or other suitable materials.In the case where cooling tube 130 is flexible pipe, switching clamping piece 140 can
To pass through the fast joint of waterpipe of metal or plastic material, pagoda mouth or other suitable connection types and cooling tube at its both ends
130 connections.In the case where cooling tube 130 is rigid pipe, switching clamping piece 140 can be connected through a screw thread at its both ends or it
He connect suitable connection type with cooling tube 130.
Fig. 2 is the switching clamping piece 140 in the optical fiber cooling apparatus provided in an embodiment of the present invention for optical fiber laser
Schematic cross sectional views.Referring to Fig. 2, each switching clamping piece 140 can be provided in 140 inside of switching clamping piece
Entreat the optical fiber at position that through-hole 141 is clamped, through-hole 141 can be clamped by its optical fiber light is clamped in each clamping piece 140 of transferring
Fibre 110 so that optical fiber 110 can equably cooled fluid surrounds under the clamping action that through-hole 141 is clamped in optical fiber, to realize
More sufficient heat exchange.The inside of each switching clamping piece 140 is also provided with multiple cooling channels 142, Duo Geleng
But fluid channel 142 is evenly provided on a circumference concentric with optical fiber clamping through-hole 141, and cooling fluid passes through multiple cold
But fluid channel 142 passes through each switching clamping piece 140.Through-hole 141 is clamped with cooling channels 142 via metallic object in optical fiber
It is connected.Through-hole 141, which is clamped, by optical fiber can be clamped optical fiber 110 to prevent optical fiber 110 and the wall surface of cooling pipe from connecing
It touches, cooling channels 142 can upset flowing of the cooling fluid in cooling tube to contribute to cooling fluid in cooling tube
Turbulent flow is formed, to enhance the heat-exchange capacity of optical fiber 110 and cooling fluid in cooling tube.
As shown in Fig. 2, each cooling channels 142 can be circle, however it can also be oval, rectangular or it
His suitable shape;In addition, 4 cooling channels 142 are shown for illustrative purposes in Fig. 2, however it can also have
There are more or fewer numbers, the specific embodiment of the invention to be not limited thereto.
In a kind of specific implementation mode, switching clamping piece 140 can be the cylinder of inner hollow, and through-hole is clamped in optical fiber
141 and multiple cooling channels 142 can be set to be placed in switching clamping piece 140 inside perpendicular to the extension of optical fiber side
To sheet metal.
In another specific implementation mode, switching clamping piece 140 can be cylindrical masses, and through-hole 141 is clamped in optical fiber
Can also be axially extending along switching clamping piece 140, and through-hole 141 can also be clamped with optical fiber in each cooling channels 142
It is parallelly axially extending along switching clamping piece 140.In the case, the length and each cooling fluid of optical fiber clamping through-hole 141
The length in channel 142 can be equal to or less than the length of switching clamping piece 140;In addition, optical fiber clamping through-hole 141 length with
The length of each cooling channels 142 can be identical or different, and the internal face of each cooling channels 142 can be with
It is also equipped with heat-resisting material layer and passes through preservative treatment.
In embodiments of the present invention, the outside of optical fiber 110 can be coated with coat.In this case, it is possible in optical fiber
Filling low-refraction glue-line or thermal conductive material layer between coat outside 110 and each optical fiber clamping through-hole 141, or also may be used
So that the external optical fiber 110 for being coated with coat is clamped in through-hole 141 freely vacantly in each optical fiber.It is coated on outside optical fiber 110
The coat in portion can protect the signal transmitted in optical fiber 110 to be influenced from switching clamping piece 140, can improve optical fiber transmission letter
Number stability, avoid the loss of signal.It is arranged and is clamped between through-hole 141 and the coat being coated on outside optical fiber 110 in optical fiber
Low-refraction glue-line or thermal conductive material layer allow to improve heat exchange property, further increase the cooling efficiency to optical fiber 110.
It should be noted that the refractive index of above-mentioned low-refraction glue-line should be less than the refractive index for the coat being coated on outside optical fiber 110.
Although the heat resistance for the optical fiber 110 that outside is coated with coat may be still limited by coat, since optical fiber 110 is complete
Complete be immersed in cooling fluid and and oxygen-barrier, to reduce burning risk;Further, since along cooling pipe one-way flow
Cooling fluid can the optical fiber 110 of coat effectively be coated with to outside and cool down, it is possible to further promoted outer
Portion is coated with the heat resistance of the optical fiber 110 of coat.
In embodiments of the present invention, optical fiber 110 can also be the naked fibre of stripping coat.In the case, it should rely on
Auxiliary locating tool makes optical fiber 110 not connect with optical fiber clamping through-hole 141 during by each switching clamping piece 140
It touches, then can fill low-refraction glue-line or thermal conductive material layer between optical fiber 110 and each optical fiber clamping through-hole 141.It wants
It is noted that the refractive index of above-mentioned low-refraction glue-line should be less than the refractive index of optical fiber 110.No longer due to optical fiber 110 at this time
It is limited and can be directly in contact with cooling fluid by coat, thus heat resistance can be obviously improved.
In embodiments of the present invention, it is preferred that cooling fluid has lower refractive index (in the external cladding of optical fiber 110
It is less than the refractive index of coat in the case of having coat, is less than light in the case where optical fiber 110 is to remove the naked fibre of coat
The refractive index of fibre 110), high transparency, high fluidity, high convection transfer rate and high material compatibility.Specifically, cooling stream
Body can be deionized water, fluorination liquid or other those of ordinary skill in the art be readily apparent that meet above-mentioned performance requirement
Fluent material.Cooling fluid can input clamping piece 120 from optical fiber and enter cooling pipe, and can be successively by multiple cold
But it is drawn from optical fiber output clamping piece 150 after pipe 130 and enters cooling pumping system so that persistently optical fiber 110 can be cooled down.
Fig. 3 is the optical fiber input clamping piece in the optical fiber cooling apparatus provided in an embodiment of the present invention for optical fiber laser
120 end view.In conjunction with Fig. 1 and Fig. 3, optical fiber input clamping piece 120 may include the first noumenon 121, be set to first
The optical fiber introduction hole 122 of ontology 121 and at least one cooling fluid entrance hole 123.The first noumenon 121 can be that metal hollow is justified
Cylinder.One end of the first noumenon 121 can be fixedly connected with the cooling tube 130 positioned at one end of cooling pipe, such as
Cooling tube 130 is in the case of flexible pipe by the fast joint of waterpipe of metal or plastic material, pagoda mouth or other are suitable
Connection type is connect with cooling tube 130.Optical fiber introduction hole 122 can be set to the other end of the first noumenon 121, be preferably set up
In the central position of the other end of the first noumenon 121, optical fiber 110 can enter cooling pipe by optical fiber introduction hole 122.Often
A cooling fluid entrance hole 123 is arranged in the side between the both ends of the first noumenon 121, and cooling fluid can be through supercooling
Fluid introduction hole 123 enters cooling pipe.It is imported it should be noted that schematically showing 2 cooling fluids in Fig. 1 and Fig. 3
Hole 123, however its number is not limited to this.
Fig. 4 is the optical fiber output clamping piece in the optical fiber cooling apparatus provided in an embodiment of the present invention for optical fiber laser
150 end view.In conjunction with Fig. 1 and Fig. 4, it is similar to optical fiber and inputs clamping piece 120, optical fiber output clamping piece 150 can wrap
The optical fiber fairlead 152 and at least one cooling fluid leadout hole 153 for including the second ontology 151, being set to the second ontology 151.The
Two ontologies 151 can be metal hollow cylinder.It one end of second ontology 151 can be with the other end positioned at cooling pipe
Cooling tube 130 be fixedly connected, such as cooling tube 130 be flexible pipe in the case of it is fast by the water pipe of metal or plastic material
Quick coupling, pagoda mouth or other suitable connection types are connect with cooling tube 130.Optical fiber fairlead 152 can be set to second
The other end of ontology 151, is preferably provided at the central position of the other end of the second ontology 151, and optical fiber 110 can pass through light
Fine fairlead 152 is drawn from cooling pipe.Each cooling fluid leadout hole 153 can be arranged between the two of the second ontology 151
Side between end, cooling fluid can pass through cooling fluid leadout hole 153 and be exported from cooling pipe.It should be noted that Fig. 1
With 2 cooling fluid leadout holes 153 are schematically shown in Fig. 4, however its number is not limited to this.
Optical fiber cooling apparatus provided in an embodiment of the present invention for optical fiber laser includes optical fiber, optical fiber input clamping
Part, optical fiber output clamping piece and the cooling pipe moved for cooling fluid stream, the cooling pipe includes multiple cooling tubes and use
In the multiple switching clamping pieces for connecting the multiple cooling tube, optical fiber inputs clamping piece and optical fiber output clamping piece fixed company respectively
The both ends of the cooling pipe are connected to, the optical fiber and the cooling fluid input clamping piece by optical fiber and enter cooling pipe
And it is being drawn successively from the optical fiber output clamping piece after the multiple cooling tube, optical fiber quilt in cooling pipe
The multiple switching clamping piece clamping.When the optical fiber cooling apparatus works, optical fiber can input clamping piece and light by optical fiber
Fibre output clamping piece be maintained in cooling pipe, and can by transfer clamping piece clamping action without in cooling pipe
Cooling tube wall surface contact, to make the surface of optical fiber can in cooling pipe the cooling fluid of one-way flow it is direct
Contact, so that optical fiber can be cooled efficiently by carrying out convective heat exchange with cooling fluid.It can thus be seen that this hair
The optical fiber cooling apparatus for optical fiber laser that bright embodiment provides can be by using the mandatory fluid convection type of cooling
Effectively optical fiber is cooled down, to be conducive to promote the output power of optical fiber laser, and is conducive to that optical fiber is inhibited to swash
In light device with the relevant negative physical effect of fiber optic temperature.
The foregoing is only a preferred embodiment of the present invention, is not intended to restrict the invention, for the skill of this field
For art personnel, the invention may be variously modified and varied.All within the spirits and principles of the present invention, any made by repair
Change, equivalent replacement, improvement etc., should all be included in the protection scope of the present invention.It should be noted that:Similar label and letter exist
Similar terms are indicated in following attached drawing, therefore, once being defined in a certain Xiang Yi attached drawing, are then not required in subsequent attached drawing
It is further defined and is explained.
In the description of the present invention, it should be noted that term "center", "upper", "lower", "left", "right", "vertical",
The orientation or positional relationship of the instructions such as "horizontal", "inner", "outside" is to be based on the orientation or positional relationship shown in the drawings, or be somebody's turn to do
Invention product using when the orientation or positional relationship usually put, be merely for convenience of description of the present invention and simplification of the description, without
It is instruction or implies that signified device or element must have a particular orientation, with specific azimuth configuration and operation, therefore not
It can be interpreted as limitation of the present invention.In addition, term " first ", " second ", " third " etc. are only used for distinguishing description, and cannot manage
Solution is instruction or implies relative importance.
In the description of the present invention, it is also necessary to which explanation is unless specifically defined or limited otherwise, term " setting ",
" installation ", " connected ", " connection " shall be understood in a broad sense, for example, it may be fixedly connected, may be a detachable connection or one
Connect to body;It can be mechanical connection, can also be electrical connection;It can be directly connected, it can also be indirect by intermediary
It is connected, can is the connection inside two elements.For the ordinary skill in the art, on being understood with concrete condition
State the concrete meaning of term in the present invention.
Claims (10)
1. a kind of optical fiber cooling apparatus for optical fiber laser, which is characterized in that including optical fiber, optical fiber input clamping piece, light
Fibre output clamping piece and the cooling pipe moved for cooling fluid stream, the cooling pipe includes multiple cooling tubes and multiple turns
Clamping piece is connect, each two adjacent cooling tube is connected by a switching clamping piece in the multiple cooling tube, wherein one
A cooling tube is located at one end of the cooling pipe, another described cooling tube is located at the other end of the cooling pipe,
The optical fiber input clamping piece is fixedly connected on the cooling tube for being located at described cooling pipe one end, the optical fiber output clamping
Part is fixedly connected on the cooling tube for being located at the cooling pipe other end, and the optical fiber and the cooling fluid pass through institute
It states optical fiber input clamping piece and enters the cooling pipe and successively after the multiple cooling tube from the optical fiber output
Clamping piece is drawn, and the optical fiber is clamped in the cooling pipe by the multiple switching clamping piece.
2. optical fiber cooling apparatus according to claim 1, which is characterized in that the multiple switching clamping piece is cylinder
Body, each switching clamping piece are provided with the clamping through-hole of the optical fiber at the switching clamping piece center of inside position, each
Through-hole is clamped the optical fiber is clamped by the optical fiber in the switching clamping piece, and the inside of each switching clamping piece is also set
Multiple cooling channels are equipped with, the cooling fluid passes through each switching to be clamped by the multiple cooling channels
Part.
3. optical fiber cooling apparatus according to claim 2, which is characterized in that the multiple cooling channels are equably set
It sets on a circumference concentric with optical fiber clamping through-hole.
4. optical fiber cooling apparatus according to claim 2, which is characterized in that the outside of the optical fiber is coated with coat,
It is filled with low-refraction glue-line or thermal conductive material layer between the coat and optical fiber clamping through-hole.
5. optical fiber cooling apparatus according to claim 2, which is characterized in that the optical fiber is the naked fibre for removing coat,
Low-refraction glue-line or thermal conductive material layer are filled between the optical fiber and the switching clamping piece.
6. optical fiber cooling apparatus according to claim 1, which is characterized in that the optical fiber input clamping piece includes first
Body, the optical fiber introduction hole for being set to the first noumenon and at least one cooling fluid entrance hole, the optical fiber pass through the light
Fine introduction hole enters the cooling pipe, and the cooling fluid enters described cold by least one cooling fluid entrance hole
But pipeline.
7. optical fiber cooling apparatus according to claim 1, which is characterized in that the optical fiber output clamping piece includes second
Body, the optical fiber fairlead for being set to second ontology and at least one cooling fluid leadout hole, the optical fiber pass through the light
Fine fairlead is drawn from the cooling pipe, and the cooling fluid is by least one cooling fluid leadout hole from described cold
But pipeline exports.
8. optical fiber cooling apparatus according to claim 1, which is characterized in that each cooling tube in the cooling tube it is interior
Wall surface is provided with heat-resisting material layer and passes through preservative treatment.
9. optical fiber cooling apparatus according to claim 1, which is characterized in that the cooling tube is flexible pipe.
10. optical fiber cooling apparatus according to claim 1, which is characterized in that the cooling fluid be selected from deionized water and
The one kind being fluorinated in liquid.
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CN106785828A (en) * | 2017-02-28 | 2017-05-31 | 武汉大学 | A kind of step for optical fiber laser cools down radiating tube |
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CN111029891A (en) * | 2020-01-10 | 2020-04-17 | 华东师范大学重庆研究院 | Laser gain optical fiber heat dissipation device |
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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 |
CN114156720A (en) * | 2021-11-12 | 2022-03-08 | 中国工程物理研究院上海激光等离子体研究所 | Cabling type gain optical fiber temperature control system |
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CN104852258A (en) * | 2015-06-12 | 2015-08-19 | 中国工程物理研究院总体工程研究所 | Kilowatt-level optical fiber cladding power stripper employing micro-channel water cooling |
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