CN208078368U - A kind of high-peak power optical fiber water cooling collimator - Google Patents
A kind of high-peak power optical fiber water cooling collimator Download PDFInfo
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- CN208078368U CN208078368U CN201820550003.6U CN201820550003U CN208078368U CN 208078368 U CN208078368 U CN 208078368U CN 201820550003 U CN201820550003 U CN 201820550003U CN 208078368 U CN208078368 U CN 208078368U
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- optical fiber
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- lining pipe
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Abstract
The utility model discloses a kind of high-peak power optical fiber water cooling collimators, including end caps, end caps fixture, water-cooling system component and colimated light system component;End caps are made of optical fiber and welding in the end cap of fiber-optic output, and end caps are clamped in end caps fixture;The internal lining pipe of water-cooling system component is close to be sleeved on end caps fixture, and cylindrical casing is close to be sleeved on internal lining pipe, and the outer wall of internal lining pipe is equipped with cooling water channel;For preceding seal cap sealing in the front end of internal lining pipe and cylindrical casing, rear cover is sealed in the rear end of internal lining pipe and cylindrical casing;The focus lens group of colimated light system component is fixed on the front end of mirror cell by protecgulum, and the rear end of mirror cell is screwed onto on preceding sealing cover.The optical fiber water cooling collimator structure of the utility model is compact, flexibility is strong, collimation and good cooling results are, it can be achieved that the laser of high-peak power exports.
Description
Technical field
The utility model is related to Fiber laser technology fields, and in particular to a kind of high-peak power optical fiber water cooling collimator.
Background technology
Optical fiber laser is due to small, compact-sized, non-maintaining etc. excellent with high conversion efficiency, good beam quality, fuel factor
Point, becomes the research hotspot of laser field in recent years, and is widely used to the fields such as industry, national defence, medical treatment, detection.With
The development of the optical fibre devices such as optical-fiber bundling device, fibre optic isolater, and the high-power semiconductor laser for pumping source
Universal, the mean power and peak power of optical fiber laser and amplifier are continuously improved.The mean power or MW class of myriawatt grade
Peak power laser concentrate in the silica fibre of hundred micron dimension diameters, make the end face of fiber-optic output be highly prone to damage
Wound.
Transmission light in optical fiber can be transformed into collimated light (directional light) by optical fiber collimator, or will be extraneous parallel (approximate
It is parallel) it is optically coupled in single mode optical fiber.Optical fiber collimator is widely used in optic communication device and optical fiber sensing system, for improving
The coupling efficiency of input and output.Since end caps are as high power laser light output end, can be accumulated in working long hours a large amount of
Heat, especially calorific value is huge at optical fiber with quartzy end cap fusion point;This is to exporting the peak power of laser, beam quality all
It can impact, will also result in the damage of end caps fusion point.
Utility model content
Shortcoming present in regarding to the issue above, the utility model provide a kind of high-peak power optical fiber water cooling collimation
Device.
The utility model discloses a kind of high-peak power optical fiber water cooling collimators, including:End caps, end caps folder
Tool, water-cooling system component and colimated light system component;
The end caps are made of optical fiber and welding in the end cap of the fiber-optic output, the end cap and optical fiber output
The preset length at end is clamped in the end caps fixture;
The water-cooling system component includes preceding sealing cover, internal lining pipe, cylindrical casing and rear cover, and the internal lining pipe is close to be sleeved on
On the end caps fixture, the cylindrical casing is close to be sleeved on the internal lining pipe, and the outer wall of the internal lining pipe is equipped with cold
But water channel;The preceding seal cap sealing is provided with confession in the front end of the internal lining pipe and cylindrical casing and the corresponding end caps
The through-hole that laser beam passes through, rear cover are sealed in the rear end of the internal lining pipe and cylindrical casing;
The colimated light system component includes protecgulum, focus lens group and mirror cell, and the focus lens group passes through the protecgulum
It is fixed on the front end of the mirror cell, the rear end of the mirror cell is screwed onto on the preceding sealing cover.
The optical fiber is silica fibre as a further improvement of the utility model, and the end cap is cylinder quartz wedge,
The output end phase welding of the input terminal of the end cap and the optical fiber, the output end of the end cap are the output of the end caps
End;The output end of the end cap is 0 ° of angle plane or inclined-plane, and anti-reflection film is coated on the output end of the end cap.
The output end face of the end caps and the end caps fixture as a further improvement of the utility model,
Front end face is located in same level.
The end caps fixture is by the fixture base and clamp cover that are interlocked as a further improvement of the utility model,
Board group is at the buckling surface of the fixture base and fixture cover board is equipped with the holding tank for accommodating the end cap and optical fiber, institute
It states and is equipped with heat-conducting glue layer in holding tank, the heat-conducting glue layer is close to the outer wall of the end caps and the cell wall of holding tank.
The internal diameter phase of the outer diameter of the end caps fixture and the internal lining pipe as a further improvement of the utility model,
Deng the outer diameter of the internal lining pipe is equal with the internal diameter of the cylindrical casing, the corresponding cooling water channel on the cylindrical casing
Equipped with inlet and outlet.
The preceding sealing cover is by sealing plate and with the cylinder group of the through-hole as a further improvement of the utility model,
At the cylinder, which is worn, to be fixed on the sealing plate, the sealing plate, cylinder, cylindrical casing coaxial arrangement;The sealing plate
Outer diameter it is equal with the internal diameter of the cylindrical casing, the front end face of the internal lining pipe is adhesively fixed on the rear end face of the sealing plate
On, the cylindrical casing is adhesively fixed on the outer wall of the sealing plate;The outside diameter of cylinder of the sealing plate rear end with it is described interior
The internal diameter of bushing pipe is equal, and the cylinder outer wall of the sealing front edge of board is equipped with the external screw thread for the mirror cell that is spirally connected.
The rear cover is screwed onto the rear end of the cylindrical casing, the rear cover as a further improvement of the utility model,
Base resist the rear end of the internal lining pipe and end caps fixture, be equipped in the middle part of the base of the rear cover and passed through for the optical fiber
Avoid holes.
The cooling water channel is spirality channel, linear water channel or S-shaped water as a further improvement of the utility model,
Road.
The colimated light system component further includes lock ring as a further improvement of the utility model, the mirror cell and lock ring
It is screwed onto on the cylinder of the sealing front edge of board and the lock ring is placed between the mirror cell and the sealing plate;The mirror cell
Front end be equipped with groove for accommodating focus lens group, the protecgulum is screwed onto the mirror cell front end and by the condenser lens
Group is fixed on the mirror cell front end, and the corresponding focus lens group in middle part of the protecgulum is equipped with light hole.
The focus lens group is the combination of simple lens or multi-disc lens as a further improvement of the utility model,.
Compared with prior art, the beneficial effects of the utility model are:
The utility model welding on the output end (tail optical fiber) of optical fiber has end cap to constitute end caps, and end cap is used for diverging light
Laser beam in fibre;So that the laser beam spot sizes that end caps output end exports is significantly increased, therefore reduces at output end face
Laser power density, the damage so as to avoid high power laser light to output end face;By designing cooling water channel to optical fiber end
Cap fixture carries out water cooling, ensures the Homogeneouslly-radiating of end caps fixture;Colimated light system component may be implemented to gather by screw-thread fit
The accurate focusing of focus lens group;The optical fiber water cooling collimator structure of the utility model is compact, flexibility is strong, collimation and cooling effect
Well, it can be achieved that the laser output of high-peak power.
Description of the drawings
Fig. 1 is the overall schematic of high-peak power optical fiber water cooling collimator disclosed in a kind of embodiment of the utility model;
Fig. 2 is the exploded view of high-peak power optical fiber water cooling collimator disclosed in a kind of embodiment of the utility model.
In figure:
10, end caps;11, optical fiber;12, end cap;20, end caps fixture;21, fixture base;22, fixture cover board;
30, water-cooling system component;31, preceding sealing cover;32, internal lining pipe;33, cooling water channel;34, cylindrical casing;35, water inlet;36, go out
The mouth of a river;37, rear cover;38, sealing plate;39, cylinder;40, colimated light system component;41, protecgulum;42, focus lens group;43, mirror cell;
44, lock ring.
Specific implementation mode
It is new below in conjunction with this practicality to keep the purpose, technical scheme and advantage of the utility model embodiment clearer
Attached drawing in type embodiment, the technical scheme in the utility model embodiment is clearly and completely described, it is clear that is retouched
The embodiment stated is a part of the embodiment of the utility model, instead of all the embodiments.Based on the reality in the utility model
Apply example, the every other embodiment that those of ordinary skill in the art are obtained without making creative work, all
Belong to the range of the utility model protection.
It is in the description of the present invention, it should be noted that term "center", "upper", "lower", "left", "right", " perpendicular
Directly ", 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, and is only
The utility model and simplifying describes for ease of description, do not indicate or imply the indicated device or element must have it is specific
Orientation, with specific azimuth configuration and operation, therefore should not be understood as limiting the present invention.In addition, term " the
One ", " second ", " third " are used for description purposes only, and are not understood to indicate or imply relative importance.
In the description of the present invention, it should also be noted that, unless otherwise clearly defined and limited, term " is pacified
Dress ", " connected ", " connection " shall be understood in a broad sense, for example, it may be being fixedly connected, may be a detachable connection, or integrally
Connection;It can be mechanical connection, can also be electrical connection;Can be directly connected, can also indirectly connected through an intermediary,
It can be the connection inside two elements.For the ordinary skill in the art, it can understand above-mentioned art with concrete condition
The concrete meaning of language in the present invention.
The utility model is further described in detail below in conjunction with the accompanying drawings:
As shown in Figure 1, 2, the utility model provides a kind of high-peak power optical fiber water cooling collimator, including:End caps
10, end caps fixture 20, water-cooling system component 30 and colimated light system component 40;Wherein:
The end caps 10 of the utility model include optical fiber 11 and end cap 12, and the input terminal of optical fiber 11 is connected with laser,
The output end of optical fiber is integrated with the input terminal welding of end cap 12 and collectively forms end caps 10, and the output end of end cap 12 is
The output end of end caps 10;The utility model is used for diverging light by the output end welding end cap 12 in optical fiber 11, end cap 12,
Laser beam in 11 makes the laser beam spot sizes that end caps output end exports significantly increase, therefore reduces at output end face
Laser power density, the damage so as to avoid high power laser light to output end face.Further, the optical fiber 11 of the utility model
Can be the silica fibre for high-capacity optical fiber laser or amplifier, can also be infrared during sulfide etc. is used for or other
The optical fiber of wave band, numerical aperture should match with the size of end cap;End cap 12 is cylinder quartz wedge, the input terminal of end cap 12
Polishing and not plated film, for carrying out low loss welding with optical fiber 11;The output end of end cap 12 can be the plane at 0 ° of angle, can also
It is the inclined-plane of other angles, the anti-reflection film of required wave band is plated after output end face polishing, to improve the transmitance of signal light, and is reduced
Damage of the reflected light to prime device.Further, large core fiber can be used in the welding of the utility model optical fiber 11 and end cap 12
Heat sealing machine carries out welding, and large core fiber heat sealing machine alignment precision is high, and welding power can fine-tune;According to the diameter of optical fiber,
The diameter of quartzy end cap selects suitable splicing parameter, including welding power, weld time, offset distance etc..Offset distance is set
From purpose, be make heat source to be relatively large in diameter quartzy end cap radiation heat it is more, to make it reach molten simultaneously with optical fiber
Melt state;High quality is carried out to the quartzy end cap of major diameter and the optical fiber of micron dimension core diameter using large core fiber heat sealing machine
Welding has the effect of transmitance height, peak power height, good beam quality, stable and reliable for performance.
The end caps fixture 20 of the utility model is used for grip optical fiber end cap 10, and end cap 12 and optical fiber 11 is specifically clamped
The preset length of output end, as shown in Figure 2;The preset length of 11 output end of optical fiber can be selected according to the design needs;Optical fiber
End cap fixture 20 is made of the fixture base 21 and fixture cover board 22 being interlocked, the light of fixture base 21 and the composition of fixture cover board 22
Fine end cap fixture 20 is cylindrical, and end caps fixture 20, which is screwed, to be integrated.In order to realize to end caps 10
Clamping, the fixture base 21 of the utility model and the buckling surface of fixture cover board 22 are equipped with for accommodating end cap 12 and optical fiber 11
Holding tank, holding tank is interior to be equipped with heat-conducting glue layer, and heat-conducting glue layer is close to the outer wall of end caps 10 and the cell wall of holding tank.Specifically
's:Dispensing is fixed in the holding tank of fixture, and the end caps 10 for keeping welding good are being removed from welder and subsequently encapsulated
In the process, fusion point will not be damaged or be damaged because of by external force.Folding is filled when encapsulation at the holding tank near fusion point
The matched heat-conducting glue of rate is penetrated, above-mentioned heat-conducting glue layer is formed after heat-conducting glue drying.Heat-conducting glue is by pumping remaining in fibre cladding
Light and high-order mode signal light filter out, while by the end caps fixture of heat derives metal material;Finally by end caps 10 with
End caps fixture 20 is encapsulated as an overall structure.Further, the output end face of preferred fiber end cap 10 and end caps fixture
20 front end face is located in same level.
The water-cooling system component 30 of the utility model includes preceding sealing cover 31, internal lining pipe 32, cylindrical casing 34 and rear cover 37,
The outer diameter of end caps fixture 20 is equal with the internal diameter of internal lining pipe 32, and internal lining pipe 32 is close to be sleeved on end caps fixture 20;It is interior
The outer diameter of bushing pipe 32 is equal with the internal diameter of cylindrical casing 34, and cylindrical casing 34 is close to be sleeved on internal lining pipe 32;Outside internal lining pipe 32
Groove is provided on wall, groove forms cooling water channel 33 after cylindrical casing 34 is close to be sleeved on internal lining pipe 32, is used for circulation
Cooling water;Corresponding cooling water channel 33 is equipped with water inlet 35 and water outlet 36, water inlet 35 and water outlet 36 on cylindrical casing 34
For two threaded holes, for the inlet and outlet pipe lines that are spirally connected;The cooling water channel 33 of the utility model can be spirality channel, linear
Water channel, S-shaped water channel or other shapes of channel structure, it is preferred to use spirality channel, spirality channel connect with internal lining pipe 32
Contacting surface product is big, good heat dissipation effect.The preceding sealing cover 31 of the utility model be sealed in the front end of internal lining pipe 32 and cylindrical casing 34 and
Corresponding end caps 10 are provided with the through-hole passed through for laser beam, after rear cover 37 is sealed in internal lining pipe 32 and cylindrical casing 34
End.Specifically:Cylinder 39 of the preceding sealing cover 31 by sealing plate 38 and with through-hole forms, and cylinder 39, which is worn, is fixed on sealing plate 38
On, fixed form can be a variety of fixed forms, the preceding sealing cover 31 that cylinder 39 is constituted with sealing plate 38 such as to be bonded, be spirally connected or weld
Structure chart it is as shown in Figure 2;Sealing plate 38, cylinder 39, cylindrical casing 34 are coaxially disposed;The outer diameter and cylindrical casing of sealing plate 38
34 internal diameter is equal, and the front end face of internal lining pipe 32 is adhesively fixed on the rear end face of sealing plate 38, and cylindrical casing 34 is adhesively fixed
On the outer wall of sealing plate 38;The outside diameter of cylinder of 38 rear end of sealing plate is equal with the internal diameter of internal lining pipe 32, for interior lining panel 32
It is limited;The cylinder outer wall of 38 front end of sealing plate is equipped with the external screw thread for be spirally connected mirror cell 43 and lock ring 44.37 spiral shell of rear cover
It is connected on the rear end of cylindrical casing 34, the base of rear cover 37 resists the rear end of internal lining pipe 32 and end caps fixture 20, to internal lining pipe
32 and the rear end of end caps fixture 20 limited;It is equipped with the avoid holes passed through for optical fiber 11 in the middle part of the base of rear cover 37, keeps away
It allows Kong Shangke that optic fibre support device is installed, optical fiber is prevented to be broken off.
The colimated light system component 40 of the utility model includes protecgulum 41, focus lens group 42, mirror cell 43 and lock ring 44, is focused
Lens group 42 is fixed on the front end of mirror cell 43 by protecgulum 41, sealing cover 31 before the rear end of mirror cell 43 and lock ring 44 are screwed onto
On;Mirror cell 43 is for storing focus lens group and adjustment focal length, and lock ring 44 is for fixing mirror cell 43 on preceding sealing cover 31
Position.Specifically:Mirror cell 43 and lock ring 44 are screwed onto on the cylinder of 38 front end of sealing plate and lock ring 44 be placed in mirror cell 43 with it is close
Between sealing plate 38;The front end of mirror cell 43 is equipped with the groove for accommodating focus lens group 42, and protecgulum 41 is screwed onto 43 front end of mirror cell
And focus lens group 42 is fixed on 43 front end of mirror cell, the corresponding focus lens group 42 in middle part of protecgulum 41 is equipped with light hole.Into
One step, focus lens group 42 can be simple lenses, can also be multi-disc lens combination.It is placed in mirror cell, for output to be swashed
Light becomes directional light.
The assembling process of the utility model is:
Step 1: one end stripping of optical fiber is applied, clean, cuts into zero angle end face, it is placed on the left side folder of welder
On tool.The input end face of the quartzy end cap of cleaning, is placed on the right side fixture of welder.Optical fiber and quartzy end cap are subjected to water
The high-precision of gentle vertical direction is aligned.According to the diameter of fibre diameter and quartzy end cap, by the heat source of heat sealing machine to quartzy end
Cap side deviates a certain distance.
Step 2: according to the diameter of optical fiber, the diameter of quartzy end cap, it is molten that suitable welding power, heating time etc. are set
Parameter is connect, optical fiber and quartzy end cap welding are integrated.
Step 3: the end caps after welding are translated to quartzy end cap side, fusing point is made to remove welding heat source.With lifting
Displacement platform holds up the pedestal of end caps fixture, and is adjacent to end caps.Dispensing is fixed in fixture holding tank, makes fusion point not
By external force.The holding tank in end caps fixture base is partially filled with the heat-conducting glue of index matching, it will be in fibre cladding
Remnant pump light and high-order mode signal light-output, and heat is exported by the fixture of metal material.Wait for that heat-conducting glue is fully solid
After change, end caps fixture cover board is fixed in end caps fixture base with screw.
Step 4: packaged end caps fixture is removed from welder, and clean end caps output end
Surface.Test the parameters such as transmitance, the beam quality of end caps.Since then, just complete optical fiber and quartzy end cap welding and
Encapsulation.
Step 5: preceding sealing cover is placed on internal lining pipe front end, blend compounds bonding.End caps fixture is put into internal lining pipe
It is interior so as to be close to preceding sealing cover in end caps fixture front end.End caps fixture outer diameter is equal with liner bore, outside internal lining pipe
Diameter is equal with cylindrical casing internal diameter.
Step 6: cylindrical casing is sleeved on the outside of internal lining pipe so that cylindrical casing front end is bonded blend compounds with preceding sealing cover
Bonding, it is Nian Jie that cylindrical casing rear end with internal lining pipe rear end is aligned blend compounds.Rear cover is placed on cylindrical casing rear end, uses screw thread
Cooperation so that rear cover is bonded with end caps fixture rear end for fixing end caps fixture.Before and after the setting of cylindrical casing side wall
Two threaded holes, water inlet and water outlet as recirculated cooling water;
Step 7: sealing cover front end before lock ring and mirror cell are placed sequentially in, uses screw-thread fit.Focus lens group is put into
In mirror cell, lens group is fixed in mirror cell using protecgulum, protecgulum and mirror cell's screw-thread fit.
Step 8: the position of the threaded adjustment mirror cell by preceding sealing cover front end, and then adjustment focus lens group focal length makes
It is directional light to obtain shoot laser, is at this time fixed mirror cell position with lock ring.
The utility model welding on the output end (tail optical fiber) of optical fiber has end cap to constitute end caps, and end cap is used for diverging light
Laser beam in fibre;So that the laser beam spot sizes that end caps output end exports is significantly increased, therefore reduces at output end face
Laser power density, the damage so as to avoid high power laser light to output end face;By designing cooling water channel to optical fiber end
Cap fixture carries out water cooling, ensures the Homogeneouslly-radiating of end caps fixture;Colimated light system component may be implemented to gather by screw-thread fit
The accurate focusing of focus lens group;Export head of the optical fiber water cooling collimator of the utility model manufacture as optical fiber laser, knot
Structure is compact, flexibility is strong, collimation and good cooling results, finally realize high-peak power, the depth of parallelism it is high laser output.
The preferred embodiment that these are only the utility model, is not intended to limit the utility model, for this field
Technical staff for, various modifications and changes may be made to the present invention.Within the spirit and principle of the utility model,
Any modification, equivalent replacement, improvement and so on should be included within the scope of protection of this utility model.
Claims (10)
1. a kind of high-peak power optical fiber water cooling collimator, which is characterized in that including:End caps, end caps fixture, water cooling
System component and colimated light system component;
The end caps are made of optical fiber and welding in the end cap of the fiber-optic output, the end cap and fiber-optic output
Preset length is clamped in the end caps fixture;
The water-cooling system component includes preceding sealing cover, internal lining pipe, cylindrical casing and rear cover, and the internal lining pipe is close to be sleeved on described
On end caps fixture, the cylindrical casing is close to be sleeved on the internal lining pipe, and the outer wall of the internal lining pipe is equipped with cooling water
Road;The preceding seal cap sealing is provided in the front end of the internal lining pipe and cylindrical casing and the corresponding end caps for laser
The through-hole that beam passes through, rear cover are sealed in the rear end of the internal lining pipe and cylindrical casing;
The colimated light system component includes protecgulum, focus lens group and mirror cell, and the focus lens group is fixed by the protecgulum
The rear end of front end in the mirror cell, the mirror cell is screwed onto on the preceding sealing cover.
2. high-peak power optical fiber water cooling collimator as described in claim 1, which is characterized in that the optical fiber is quartzy light
Fibre, the end cap be cylinder quartz wedge, the output end phase welding of the input terminal of the end cap and the optical fiber, the end cap
Output end is the output end of the end caps;The output end of the end cap is 0 ° of angle plane or inclined-plane, the output of the end cap
Anti-reflection film is coated on end.
3. high-peak power optical fiber water cooling collimator as claimed in claim 1 or 2, which is characterized in that the end caps
The front end face of output end face and the end caps fixture is located in same level.
4. high-peak power optical fiber water cooling collimator as described in claim 1, which is characterized in that the end caps fixture by
The fixture base and clamp cover board group being interlocked are at the buckling surface of the fixture base and fixture cover board is equipped with for accommodating
The holding tank of end cap and optical fiber is stated, is equipped with heat-conducting glue layer in the holding tank, the heat-conducting glue layer is close to the end caps
The cell wall of outer wall and holding tank.
5. high-peak power optical fiber water cooling collimator as described in claim 1, which is characterized in that the end caps fixture
Outer diameter is equal with the internal diameter of the internal lining pipe, and the outer diameter of the internal lining pipe is equal with the internal diameter of the cylindrical casing, the cylinder
The corresponding cooling water channel is equipped with inlet and outlet on casing.
6. high-peak power optical fiber water cooling collimator as described in claim 1, which is characterized in that the preceding sealing cover is by sealing
Plate and with the through-hole cylinder composition, the cylinder, which is worn, to be fixed on the sealing plate, the sealing plate, cylinder, circle
Column sleeve pipe is coaxially disposed;The outer diameter of the sealing plate is equal with the internal diameter of the cylindrical casing, and the front end face of the internal lining pipe is viscous
It connects and is fixed on the rear end face of the sealing plate, the cylindrical casing is adhesively fixed on the outer wall of the sealing plate;It is described close
The outside diameter of cylinder of sealing plate rear end is equal with the internal diameter of the internal lining pipe, and the cylinder outer wall of the sealing front edge of board, which is equipped with, is used for spiral shell
Connect the external screw thread of the mirror cell.
7. high-peak power optical fiber water cooling collimator as described in claim 1, which is characterized in that the rear cover is screwed onto described
The rear end of cylindrical casing, the base of the rear cover resist the rear end of the internal lining pipe and end caps fixture, the lid of the rear cover
The avoid holes passed through for the optical fiber are equipped in the middle part of bottom.
8. high-peak power optical fiber water cooling collimator as described in claim 1, which is characterized in that the cooling water channel is spiral
Shape water channel, linear water channel or S-shaped water channel.
9. high-peak power optical fiber water cooling collimator as claimed in claim 6, which is characterized in that the colimated light system component is also
Including lock ring, the mirror cell and lock ring are screwed onto on the cylinder of the sealing front edge of board and the lock ring be placed in the mirror cell with
Between the sealing plate;The front end of the mirror cell is equipped with the groove for accommodating focus lens group, and the protecgulum is screwed onto described
Mirror cell front end and the focus lens group is fixed on the mirror cell front end, the corresponding condenser lens in middle part of the protecgulum
Group is equipped with light hole.
10. high-peak power optical fiber water cooling collimator as described in claim 1, which is characterized in that the focus lens group is
The combination of simple lens or multi-disc lens.
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Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
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CN110970788A (en) * | 2019-10-23 | 2020-04-07 | 南京理工大学 | Lens cooling device of optical gate for optical fiber laser |
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2018
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Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
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CN110970788A (en) * | 2019-10-23 | 2020-04-07 | 南京理工大学 | Lens cooling device of optical gate for optical fiber laser |
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