CN206863271U - A kind of optical fiber mode stripper - Google Patents
A kind of optical fiber mode stripper Download PDFInfo
- Publication number
- CN206863271U CN206863271U CN201720600569.0U CN201720600569U CN206863271U CN 206863271 U CN206863271 U CN 206863271U CN 201720600569 U CN201720600569 U CN 201720600569U CN 206863271 U CN206863271 U CN 206863271U
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- CN
- China
- Prior art keywords
- optical fiber
- heat dissipating
- mode stripper
- fibre cladding
- dissipating ring
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- 239000013307 optical fiber Substances 0.000 title claims abstract description 36
- 239000000835 fiber Substances 0.000 claims abstract description 55
- 239000003292 glue Substances 0.000 claims abstract description 41
- 238000005253 cladding Methods 0.000 claims abstract description 39
- 239000002131 composite material Substances 0.000 claims description 9
- 239000002826 coolant Substances 0.000 claims description 9
- PIGFYZPCRLYGLF-UHFFFAOYSA-N Aluminum nitride Chemical compound [Al]#N PIGFYZPCRLYGLF-UHFFFAOYSA-N 0.000 claims description 6
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 claims description 6
- 229910021389 graphene Inorganic materials 0.000 claims description 6
- 239000000463 material Substances 0.000 claims description 6
- 229910052594 sapphire Inorganic materials 0.000 claims description 6
- 239000010980 sapphire Substances 0.000 claims description 6
- 229910017083 AlN Inorganic materials 0.000 claims description 5
- 239000011248 coating agent Substances 0.000 claims description 3
- 238000000576 coating method Methods 0.000 claims description 3
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 3
- 238000011982 device technology Methods 0.000 abstract description 2
- 230000006872 improvement Effects 0.000 description 9
- 238000000034 method Methods 0.000 description 5
- 230000000694 effects Effects 0.000 description 4
- 238000001816 cooling Methods 0.000 description 3
- 239000000498 cooling water Substances 0.000 description 3
- 238000010586 diagram Methods 0.000 description 3
- 238000005516 engineering process Methods 0.000 description 3
- 230000017525 heat dissipation Effects 0.000 description 3
- 230000008569 process Effects 0.000 description 3
- 150000001875 compounds Chemical class 0.000 description 2
- 239000000446 fuel Substances 0.000 description 2
- 238000002347 injection Methods 0.000 description 2
- 239000007924 injection Substances 0.000 description 2
- 241001062009 Indigofera Species 0.000 description 1
- 230000002776 aggregation Effects 0.000 description 1
- 238000004220 aggregation Methods 0.000 description 1
- 230000008901 benefit Effects 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 230000007717 exclusion Effects 0.000 description 1
- 238000001914 filtration Methods 0.000 description 1
- 239000010437 gem Substances 0.000 description 1
- 229910001751 gemstone Inorganic materials 0.000 description 1
- 238000007540 photo-reduction reaction Methods 0.000 description 1
- 238000005096 rolling process Methods 0.000 description 1
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- Light Guides In General And Applications Therefor (AREA)
Abstract
The utility model discloses a kind of optical fiber mode stripper, it is related to field of laser device technology, the optical fiber mode stripper includes：Fiber core, refraction glue, heat dissipating ring and fibre cladding；The fibre cladding is coated on the periphery of the fiber core, and the heat dissipating ring is coated on the periphery of the fibre cladding, and the refraction glue is filled with the intermediate gaps of the fibre cladding and the heat dissipating ring.The optical fiber mode stripper come leaded light as much as possible, by setting heat dissipating ring to radiate outside refraction glue, solve thes problems, such as that optical fiber mode stripper damages during leaded light because that can not radiate by refraction glue of the refractive index higher than fibre cladding.
Description
Technical field
It the utility model is related to field of laser device technology, more particularly to a kind of optical fiber mode stripper.
Background technology
Optical fiber mode stripper be it is a kind of can be by the wide part transmitted in fibre cladding to filtering out, without influenceing in fibre core
The device of the light of transmission.
Generally, the glue of some different refractivities can be filled inside mode stripper, and the refractive index of these glue can be higher than
The refractive index of fibre cladding, such light will not be totally reflected at the interface of glue and covering, can allow as much as possible
Light is led by refraction inside the glue of mode stripper, and the light inside glue is led into the air of outside again, so as to reach covering
The purpose that filters out of light.
During the utility model is realized, inventor has found that at least there are the following problems in the prior art：Fibre cladding
Light enter the glue of mode stripper after, due to glue refractive index be more than air refractive index, when light is led to air from glue,
Part light is had because total reflection effect is reflected back inside glue, or even fibre cladding, hoarding excessive light inside glue dissipates
When not going out, fuel factor can be produced and burn up mode stripper.
Utility model content
In order to overcome the shortcomings of Related product in the prior art, the utility model proposes a kind of optical fiber mode stripper, solves stripping
Mold during leaded light because that can not radiate damage the problem of.
The utility model provides a kind of optical fiber mode stripper, after the optical fiber coating outside fibre cladding is removed, including：Light
Long and slender core, refraction glue, heat dissipating ring and fibre cladding；
The fibre cladding is coated on the periphery of the fiber core, and the heat dissipating ring is coated on the outer of the fibre cladding
Enclose, the refraction glue is filled with the intermediate gaps of the fibre cladding and the heat dissipating ring.
As further improvement of the utility model, the section of the radiating ring inner surface is circular, the section of outer surface
For circle, rectangle, rhombus or ellipse.
As further improvement of the utility model, the heat dissipating ring is smooth surface close to the inner surface of fibre cladding,
So that light low-loss passes through.
As further improvement of the utility model, the internal diameter of the heat dissipating ring is bigger 0.1- than the diameter of the fiber core
1mm。
As further improvement of the utility model, the heat dissipating ring is individual layer heat dissipating ring, and the individual layer heat dissipating ring is by indigo plant
Any of jewel, graphene or aluminium nitride form.
As further improvement of the utility model, the heat dissipating ring is the composite radiating ring of MULTILAYER COMPOSITE, described compound
The material of heat dissipating ring is that the one or more in sapphire, graphene or aluminium nitride combine.
As further improvement of the utility model, the composite radiating ring leaves receiving cooling in the region that each layer is bonded
The gap of medium.
As further improvement of the utility model, the cooling medium is coolant, specially cooling water.
As further improvement of the utility model, the refractive index of the refraction glue is more than the refraction of the fibre cladding
Rate.
As further improvement of the utility model, the thickness of the refraction glue is 0.1-1mm.
Compared with prior art, the utility model has the advantage that：
The optical fiber mode stripper by refraction glue of the refractive index higher than fibre cladding come leaded light as much as possible, by rolling over
Heat dissipating ring is arranged to radiate outside injection, while refraction glue is separated with air, and light derived from refraction glue is absorbed by heat dissipating ring, effectively
Solve the problems, such as that optical fiber mode stripper damages during leaded light because that can not radiate.
Brief description of the drawings
In order to illustrate more clearly of the technical scheme in the embodiment of the utility model, will make below to required in embodiment
Accompanying drawing is briefly described, it should be apparent that, drawings in the following description are only some embodiments of the utility model,
For those of ordinary skill in the art, on the premise of not paying creative work, can also be obtained according to these accompanying drawings
Other accompanying drawings.
Fig. 1 is the transverse sectional view of optical fiber mode stripper described in the utility model；
Fig. 2 is the longitudinal sectional view of optical fiber mode stripper described in the utility model；
Fig. 3 is the side block diagram of optical fiber mode stripper described in the utility model；
Fig. 4 is the longitudinal sectional view of another embodiment of optical fiber mode stripper described in the utility model；
Fig. 5 is the operation principle schematic diagram of optical fiber mode stripper described in the utility model.
Description of reference numerals：1- fiber cores；2- reflects glue；3- heat dissipating rings；4- fibre claddings；5- cooling mediums；10- light
Fine mode stripper.
Embodiment
In order that those skilled in the art more fully understand the utility model, it is real below in conjunction with the utility model
The accompanying drawing in example is applied, the technical scheme in the embodiment of the utility model is clearly and completely described.Obviously, it is described
Embodiment is only the utility model part of the embodiment, rather than whole embodiments, and the utility model is given in accompanying drawing
Preferred embodiment.The utility model can be realized in many different forms, however it is not limited to embodiment described herein,
On the contrary, the purpose for providing these embodiments is to make the understanding more thorough and comprehensive to disclosure of the present utility model.It is based on
Embodiment in the utility model, those of ordinary skill in the art are obtained all under the premise of creative work is not made
Other embodiment, belong to the scope of the utility model protection.
Unless otherwise defined, all of technologies and scientific terms used here by the article is led with belonging to technology of the present utility model
The implication that the technical staff in domain is generally understood that is identical.It is simply in term used in the description of the present utility model herein
The purpose of description specific embodiment, it is not intended that in limitation the utility model.Specification of the present utility model and right will
Ask the term " comprising " and " having " in book and above-mentioned accompanying drawing and their any deformations, it is intended that cover non-exclusive bag
Contain.Such as contain process, method, system, product or the equipment of series of steps or unit and be not limited to the step listed
Rapid or unit, but alternatively also including the step of not listing or unit, or alternatively also include for these processes, side
Other intrinsic steps of method, product or equipment or unit.
Referenced herein " embodiment " is it is meant that the special characteristic, structure or the characteristic that describe can wrap in conjunction with the embodiments
It is contained at least one embodiment of the present utility model., which there is the phrase, in each position in the description to be each meant
Identical embodiment, nor the independent or alternative embodiment with other embodiments mutual exclusion.Those skilled in the art are explicit
Ground and implicitly understand, embodiment described herein can be combined with other embodiments.
As shown in fig.1, the sectional view that optical fiber mode stripper 10 respectively described in the utility model is horizontal and vertical, the light
Fine mode stripper 10 includes fiber core 1, refraction glue 2, heat dissipating ring 3 and fibre cladding 4.
The fibre cladding 4 is coated on the periphery of the fiber core 1, and the heat dissipating ring 3 is coated on the fibre cladding 4
Periphery, the utility model embodiment removes the optical fiber coating outside the fibre cladding 4 first, and in the fibre cladding 4
Intermediate gaps with the heat dissipating ring 3 are filled with the refraction glue 2.
The section of the inner surface of heat dissipating ring 3 is circle, i.e., the inner ring of described heat dissipating ring 3 is circle；The heat dissipating ring 3
The section of outer surface is circle, rectangle, rhombus or ellipse, i.e., the outer ring of described heat dissipating ring 3 can have various shapes, described to dissipate
The shape of hot ring 3 selects according to the actual requirements, the utility model to this and it is unrestricted.
Refering to shown in Fig. 2 and Fig. 3, in the utility model embodiment, the outer surface section of the heat dissipating ring 3 is circle,
I.e. described heat dissipating ring is annulus, and the internal diameter of the heat dissipating ring 3 is bigger 0.1-1mm than the diameter of the fiber core 1, can be accommodated in it
The refraction glue 2, the external diameter and length of the heat dissipating ring 3 are then according to the volume size and cost of the optical fiber mode stripper 10
Consider, and its external diameter is bigger, length is longer, radiating effect is better；
Optionally, heat dissipating ring 3 described in the utility model is compound for one or more layers, when the heat dissipating ring 3 is one layer,
As individual layer heat dissipating ring when, it is made up of single material, the individual layer heat dissipating ring by sapphire, graphene or aluminium nitride appoint
A kind of material of anticipating forms；When described heat dissipating ring 3 is MULTILAYER COMPOSITE, as multi-layer heat dissipation ring when, the material of the heat dissipating ring 3
Combined for the one or more in sapphire, graphene or aluminium nitride；
In another embodiment of the present utility model, as shown in fig.4, the heat dissipating ring 3 of the MULTILAYER COMPOSITE is in each layer
Gap is left in the region of fitting, and to accommodate cooling medium 5, the cooling medium 5 includes coolant in the gap, specifically can be with
For cooling water etc., heat-conducting effect can further be lifted by the cooperation of heat dissipating ring 3 and cooling medium 5.Further, described
The both ends of multi-layer heat dissipation ring, the settable cooling for adapting to above-mentioned multi-layer heat dissipation ring and the shape in gap being left in the region that each layer is bonded
Water circulation channel, and water inlet and delivery port, to realize the circulation of cooling water.
In the utility model embodiment, the heat dissipating ring 3 is sapphire material, and the heat dissipating ring 3 is close to fibre cladding 2
Inner surface it is smooth, light can be allowed to be passed through with relatively low loss.
In the utility model embodiment, the thickness of the refraction glue 2 is 0.1-1mm, for example, 0.5mm or 0.8mm, institute
The refractive index for stating refraction glue 2 is more than the refractive index of the fibre cladding 4, it is assumed that the refractive index n1 of the fibre cladding 4, the folding
The refractive index of injection 2 is n2, then in the utility model embodiment, n2>N1 so that loss fibre cladding 4 and fiber core 1 it
Between light through refraction glue 2, will not be totally reflected at the interface of the refraction glue 2 with fibre cladding 4, can allow and to the greatest extent may be used
Light more than energy is imported into the refraction glue 2 by refraction.
As shown in fig.5, being the operation principle schematic diagram of optical fiber mode stripper 10 described in the utility model, light path is fine in optical fiber
When being transmitted in core 1, part light can be spilt between the fibre cladding 4 and refraction glue 2, due to the refractive index of the refraction glue 2
More than the refractive index of the fibre cladding 4, loss light is imported into the refraction glue 2 by refraction, due to the refraction glue 2
Periphery is cased with the heat dissipating ring 3, and the loss light of aggregation is exported by the heat dissipating ring 3, while the radiating effect of heat dissipating ring 3
The heat hoarded is dispersed, the refraction glue 2 is effectively prevent and produces fuel factor to the light because hoarding substantial amounts of loss light
Fine mode stripper 10 causes to damage.It should be noted that fiber core 1 is only schematic to the thickness between heat dissipating ring 3 in Fig. 4
, for example, the diameter of fiber core 1 of actual fiber is less than the diameter of fibre cladding 4.
In the utility model embodiment, the optical fiber mode stripper 10 is higher than the refraction glue 2 of fibre cladding 4 by refractive index
Carry out leaded light as much as possible, by setting heat dissipating ring 3 to radiate outside refraction glue 2, efficiently solve optical fiber mode stripper 10 and leading
The problem of being damaged in photoreduction process because that can not radiate.
Embodiment of the present utility model is these are only, is not intended to limit the scope of the claims of the present utility model, although with reference to before
State embodiment the utility model is described in detail, for those skilled in the art comes, it still can be right
Technical scheme described in foregoing each embodiment is modified, or carries out equivalent replace to which part technical characteristic
Change.Every equivalent structure done using the utility model specification and accompanying drawing content, it is related to be directly or indirectly used in other
Technical field, similarly within the utility model patent protection domain.
Claims (10)
- A kind of 1. optical fiber mode stripper, after the optical fiber coating outside fibre cladding is removed, it is characterised in that including：Fiber core, Reflect glue, heat dissipating ring and fibre cladding；The fibre cladding is coated on the periphery of the fiber core, and the heat dissipating ring is coated on the periphery of the fibre cladding, The refraction glue is filled with the intermediate gaps of the fibre cladding and the heat dissipating ring.
- 2. optical fiber mode stripper according to claim 1, it is characterised in that：The section of the radiating ring inner surface is circle, The section of outer surface is circle, rectangle, rhombus or ellipse.
- 3. optical fiber mode stripper according to claim 2, it is characterised in that：Inner surface of the heat dissipating ring close to fibre cladding For smooth surface, so that light low-loss passes through.
- 4. optical fiber mode stripper according to claim 3, it is characterised in that：The internal diameter of the heat dissipating ring is than the fiber core The big 0.1-1mm of diameter.
- 5. according to the optical fiber mode stripper described in claim any one of 1-4, it is characterised in that：The heat dissipating ring radiates for individual layer Ring, the individual layer heat dissipating ring are made up of any of sapphire, graphene or aluminium nitride.
- 6. according to the optical fiber mode stripper described in claim any one of 1-4, it is characterised in that：The heat dissipating ring is MULTILAYER COMPOSITE Composite radiating ring, the material of the composite radiating ring combine for the one or more in sapphire, graphene or aluminium nitride.
- 7. optical fiber mode stripper according to claim 6, it is characterised in that：The composite radiating ring is in the region that each layer is bonded Leave the gap for accommodating cooling medium.
- 8. optical fiber mode stripper according to claim 7, it is characterised in that the cooling medium is coolant, specially cold But water.
- 9. according to the optical fiber mode stripper described in claim any one of 1-4, it is characterised in that：The refractive index of the refraction glue is more than The refractive index of the fibre cladding.
- 10. according to the optical fiber mode stripper described in claim any one of 1-4, it is characterised in that：It is described refraction glue thickness be 0.1-1mm。
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720600569.0U CN206863271U (en) | 2017-05-26 | 2017-05-26 | A kind of optical fiber mode stripper |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720600569.0U CN206863271U (en) | 2017-05-26 | 2017-05-26 | A kind of optical fiber mode stripper |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206863271U true CN206863271U (en) | 2018-01-09 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720600569.0U Active CN206863271U (en) | 2017-05-26 | 2017-05-26 | A kind of optical fiber mode stripper |
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| Country | Link |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110768090A (en) * | 2019-10-28 | 2020-02-07 | 佛山市宝光新宇实业有限公司 | Simple structure of optical fiber cladding stripping structure |
| CN115657214A (en) * | 2022-12-08 | 2023-01-31 | 武汉锐科光纤激光技术股份有限公司 | Clad light stripper, method for manufacturing clad light stripper, and laser device |
-
2017
- 2017-05-26 CN CN201720600569.0U patent/CN206863271U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110768090A (en) * | 2019-10-28 | 2020-02-07 | 佛山市宝光新宇实业有限公司 | Simple structure of optical fiber cladding stripping structure |
| CN115657214A (en) * | 2022-12-08 | 2023-01-31 | 武汉锐科光纤激光技术股份有限公司 | Clad light stripper, method for manufacturing clad light stripper, and laser device |
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