CN205509224U - Fiber cladding luminous power stripper - Google Patents
Fiber cladding luminous power stripper Download PDFInfo
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- CN205509224U CN205509224U CN201620334338.5U CN201620334338U CN205509224U CN 205509224 U CN205509224 U CN 205509224U CN 201620334338 U CN201620334338 U CN 201620334338U CN 205509224 U CN205509224 U CN 205509224U
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- light pipe
- glue
- inner cladding
- luminous power
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Abstract
The utility model discloses a fiber cladding luminous power stripper, it includes: the light pipe, optic fibre, optic fibre has peels off the exposed section of inner cladding regional except that the inner cladding, the exposed section holding of inner cladding of optic fibre is in the light pipe, and the exposed section of inner cladding divide into a plurality of regional sections along its length direction, and it has the glue film all to fill between every regional section and the light pipe to on the length direction along the exposed section of inner cladding, the refracting index of multistage glue film scales up in proper order. The utility model discloses can realize the high efficiency of the relict pumping light of inner cladding of optic fibre evenly peels off.
Description
Technical field
This utility model relates to a kind of fibre cladding luminous power detacher.
Background technology
At present, in optical fiber laser or fiber amplifier work process, Active Optical Fiber often selects the double clad light of big mode field area
Fibre carries out laser amplifier as Active Optical Fiber, and the inner cladding of doubly clad optical fiber is used for transmitting pump light in the course of the work, fine
Core is used for absorptive pumping light doped with rare earth ion and realizes laser output.The doubly clad optical fiber using big mode field area is permissible
Realize pump light multiple reflections in inner cladding and enter fibre core, excite the rare earth ion in fibre core, improve laser-conversion efficiency.
But owing to pump light is decayed along fiber length exponentially form in Active Optical Fiber, Active Optical Fiber end is inevitable
The remaining pump light of existence, if remaining pump light processes not in time, can be steady to laser system, Output of laser pattern
Qualitative cause the biggest harm.
At present, the existing multiple Patents technology about pumping light power detacher is announced.Such as, patent publication No. is
The method mentioned in the patent of CN103698845 A is: distinguishing by length direction on doubly clad optical fiber has multiple region,
Power leakage window at each region, outside Power leakage window high index of refraction, glue is coated solidification, and phase
There is the anglec of rotation with fiber core as axle center between adjacent Power leakage window, make optical power distribution to be leaked at optical fiber
In multiple regions, to reduce device temperature.But there is certain deficiency in the method: does the making of leakage window along optical fiber
Complex process, unfavorable industrial processes, if leakage window edge processes rough simultaneously, easily cause the accumulation of pump light,
Forming high temperature dot, this will directly affect the security and stability of power detacher.
Summary of the invention
Technical problem to be solved in the utility model is the defect overcoming prior art, it is provided that a kind of fibre cladding luminous power
Detacher, it is capable of the efficient uniform of the pump light of the inner cladding remnants of optical fiber and peels off.
This utility model solves above-mentioned technical problem and adopts the technical scheme that: a kind of fibre cladding luminous power detacher, it
Including:
Light pipe；
Optical fiber, described optical fiber has and peels off except inner cladding is with the inner cladding naked section of exterior domain, the inner cladding of described optical fiber
Naked section is placed in light pipe, and inner cladding naked section is divided into multiple area segments along its length, each area segments and leading
All it is filled with glue-line between light pipe, and on the length direction along inner cladding naked section, the refractive index of multistage glue-line depends on
Secondary incremental.
Further for realizing injecting the glue of different refractivity in each area segments, and the refractive index of every section of glue-line is along light
Being incremented by successively on fine length direction, part corresponding with each area segments respectively on described light pipe is that region is corresponding
Section, each region correspondence section has glue and injects window, thus by corresponding glue, the glue of respective indices of refraction is injected window
Inject in the region between corresponding area segments and light pipe.
Further for the energy density of effectively reduction pump light, and realize quick heat radiating, fibre cladding by heat abstractor
Luminous power detacher also includes heat abstractor, and described light pipe is together with the inner cladding naked section being placed in light pipe and glue
Layer is packaged in heat abstractor.
Further, described light pipe is glued by binding material together with the inner cladding naked section being placed in light pipe and glue-line
Tie in heat abstractor.
Further, described heat abstractor includes covering heat-radiating substrate together and heat-dissipating cover plate.
Further, the upper surface of described heat-radiating substrate is provided with light pipe storage tank, described light pipe be placed in described in lead
In light pipe storage tank.
Further, described heat-radiating substrate is made up of aluminium.
Further, described light pipe is to make through the glass material of polishing.
Further, described area segments is 3～4 sections.
Further, one section of employing acetone soln in described optical fiber corrodes, and erodes surrounding layer and the coat of this section,
Leave the inner cladding of this section, so that the inner cladding naked section described in this section of formation.
After have employed technique scheme, after a section of optical fiber erodes surrounding layer and coat, form inner cladding naked section,
And be placed in light pipe, from the window at light pipe top, it is implanted sequentially the high index of refraction that refractive index increases successively
Glue, after running into the glue of high index of refraction in pump light transmitting procedure remaining in inner cladding, it is impossible to meets total reflection condition and edge
The direction of high index of refraction glue is transmitted.Choose the glue that refractive index increases successively to be conducive to carrying out the pump light of different angles
Subregion is peeled off.Pump light, by continuing across light pipe after glue, enters high thermal conductivity materials, forms heat after being absorbed,
Heat is dissipated by heat abstractor.
This utility model compared with prior art, has a following beneficial effect:
1, this utility model each window on light pipe injects the high folding glue that refractive index increases successively, makes inner cladding
The pump light subregion of the different angles of middle transmission is peeled off successively, it is achieved the uniform stripping of pump light.
2, this utility model uses light pipe to be expanded further by the pump light of stripping, and the energy effectively reducing pump light is close
Degree, realizes quick heat radiating by heat abstractor.
Accompanying drawing explanation
Fig. 1 is the structural representation of fibre cladding luminous power detacher of the present utility model；
Fig. 2 is the structural representation of heat-radiating substrate of the present utility model；
Fig. 3 is the structural representation of light pipe of the present utility model.
Detailed description of the invention
In order to make content of the present utility model be easier to be clearly understood, below according to specific embodiment and combine accompanying drawing,
This utility model is described in further detail.
As shown in Figures 1 to 3, a kind of fibre cladding luminous power detacher, it includes:
Light pipe 30；
Optical fiber 10, described optical fiber 10 has and peels off except inner cladding is with the inner cladding naked section of exterior domain, described optical fiber 10
Inner cladding naked section be placed in light pipe 30, inner cladding naked section is divided into multiple area segments along its length, often
Glue-line 20 all it is filled with between individual area segments and light pipe 30, and on the length direction along inner cladding naked section,
The refractive index of multistage glue-line 20 is incremented by successively.Optical fiber 1 can be double-cladding active optical fiber or double clad passive fiber.
As it is shown in figure 1, part corresponding with each area segments respectively on described light pipe 30 is the corresponding section in region, often
Have glue in the correspondence section of individual region and inject window, thus the glue of respective indices of refraction is injected window by corresponding glue and injects phase
In region between area segments and the light pipe 30 answered.
As it is shown on figure 3, described area segments could be arranged to 3 sections, but it is not limited to this, when described area segments is 3 sections,
The region correspondence section of described light pipe 30 is also 3 sections, and have 3 each glue inject windows, respectively first window 31,
Second window 32 and the 3rd window 33, the refractive index of the glue that first window 31 injects is n1, forms the first glue-line 21,
The refractive index of the glue that the second window 32 injects is n2, forms the second glue-line 22, the refractive index of the glue that the 3rd window 33 enters
For n3, forming the 3rd glue-line 23, and n1 < n2 < n3, corresponding glue injects the glue fully wrapped around optical fiber phase that window injects
The area segments answered and be filled up completely with the region between area segments and light pipe 30.
Fibre cladding luminous power detacher also includes heat abstractor, and described light pipe 30 is together with the interior bag being placed in light pipe 30
Layer naked section and glue-line 20 are packaged in heat abstractor.
As shown in Figures 1 to 3, described light pipe 30 is together with the inner cladding naked section being placed in light pipe 30 and glue-line 20
It is bonded in heat abstractor by binding material 40.This binding material has high thermal conductivity.
As it is shown in figure 1, described heat abstractor includes covering heat-radiating substrate 60 together and heat-dissipating cover plate 50.
As in figure 2 it is shown, be provided with light pipe storage tank 61, described light pipe 30 on the upper surface of described heat-radiating substrate 60
It is placed in described light pipe storage tank 61.
Described heat-radiating substrate 60 is made up of aluminium.
Described light pipe 30 is to make through the glass material of polishing.
One section of employing acetone soln in described optical fiber 10 corrodes, and erodes surrounding layer and the coat of this section, stays
The inner cladding of this section lower, so that the inner cladding naked section described in this section of formation.
Operation principle of the present utility model is as follows:
After optical fiber 10 uses acetone soln to erode surrounding layer and the coat of optical fiber 10, through light pipe 30, and by corruption
Being partially disposed in light pipe 30 of eating away, use syringe respectively by refractive index be the glue of n1, refractive index be n2 glue,
Refractive index is that window 31, window 32, window 33 that the glue of n3 is arranged by light pipe 30 top inject, and makes each several part
The fully wrapped around optical fiber of glue 10, and light pipe 30 is completely filled, thus forms first glue-line the 21, second glue respectively
Layer 22 and the 3rd glue-line 23, the unabsorbed pump light of the inner cladding transmission of optical fiber 10 through the first glue-line 21, the
When two glue-lines 22 and three glue-lines 23, due to the difference of three kinds high folding glue refractive indexs, make the covering pump that different angles are transmitted
Pu light is peeled off respectively through three kinds of refraction glue, it is to avoid when single refraction glue is peeled off, pump light is concentrated stripping, it is achieved
Clad pumping optical is uniformly peeled off.
Pump light be stripped after by through polishing light pipe 30, light pipe 30 is by further for the pump light zone of action
Expand, reduce pump energy Density Distribution.Cladding light produces in the form of heat in the binding material 40 of high heat conductance
Going out, the heat-radiating substrate finally by aluminium material dissipates, it is achieved the high efficiency and heat radiation of whole stripping area, beneficially covering
Photospallation device long-time stable works.
Particular embodiments described above, solves the technical problem that this utility model, technical scheme and beneficial effect are carried out
Further describe, be it should be understood that and the foregoing is only specific embodiment of the utility model, not
For limiting this utility model, all within spirit of the present utility model and principle, any amendment of being made, equivalent,
Improve, within should be included in protection domain of the present utility model.
Claims (9)
1. a fibre cladding luminous power detacher, it is characterised in that it includes:
Light pipe (30)；
Optical fiber (10), described optical fiber (10) has and peels off except inner cladding is with the inner cladding naked section of exterior domain, described
The inner cladding naked section of optical fiber (10) is placed in light pipe (30), and inner cladding naked section is divided into many along its length
Individual area segments, is all filled with glue-line (20) between each area segments and light pipe (30), and naked along inner cladding
On the length direction of dew section, the refractive index of multistage glue-line (20) is incremented by successively.
Fibre cladding luminous power detacher the most according to claim 1, it is characterised in that: described light pipe (30)
Upper part corresponding with each area segments respectively is the corresponding section in region, each region correspondence section has glue and injects window,
Thus the glue of respective indices of refraction is injected window by corresponding glue and injects between corresponding area segments and light pipe (30)
In region.
Fibre cladding luminous power detacher the most according to claim 1, it is characterised in that: also include heat abstractor,
Described light pipe (30) is packaged in together with the inner cladding naked section being placed in light pipe (30) and glue-line (20)
In heat abstractor.
Fibre cladding luminous power detacher the most according to claim 3, it is characterised in that: described light pipe (30)
It is bonded in by binding material (40) together with the inner cladding naked section being placed in light pipe (30) and glue-line (20)
In heat abstractor.
Fibre cladding luminous power detacher the most according to claim 3, it is characterised in that: described heat abstractor bag
Include the heat-radiating substrate (60) and heat-dissipating cover plate (50) covered together.
Fibre cladding luminous power detacher the most according to claim 5, it is characterised in that: described heat-radiating substrate (60)
Upper surface on be provided with light pipe storage tank (61), described light pipe (30) is placed in described light pipe storage tank (61)
In.
Fibre cladding luminous power detacher the most according to claim 5, it is characterised in that: described heat-radiating substrate (60)
It is made up of aluminium.
Fibre cladding luminous power detacher the most according to claim 1, it is characterised in that: described light pipe (30)
Make for the glass material through polishing.
Fibre cladding luminous power detacher the most according to claim 1, it is characterised in that: described area segments is 3～4
Section.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620334338.5U CN205509224U (en) | 2016-04-20 | 2016-04-20 | Fiber cladding luminous power stripper |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620334338.5U CN205509224U (en) | 2016-04-20 | 2016-04-20 | Fiber cladding luminous power stripper |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205509224U true CN205509224U (en) | 2016-08-24 |
Family
ID=56705657
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201620334338.5U Active CN205509224U (en) | 2016-04-20 | 2016-04-20 | Fiber cladding luminous power stripper |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205509224U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105703207A (en) * | 2016-04-20 | 2016-06-22 | 江苏天元激光科技有限公司 | Optical fiber cladding layer optical power stripping device |
-
2016
- 2016-04-20 CN CN201620334338.5U patent/CN205509224U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105703207A (en) * | 2016-04-20 | 2016-06-22 | 江苏天元激光科技有限公司 | Optical fiber cladding layer optical power stripping device |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant |