CN206863276U - A kind of high-power optical fiber collimator - Google Patents
A kind of high-power optical fiber collimator Download PDFInfo
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- CN206863276U CN206863276U CN201621419786.1U CN201621419786U CN206863276U CN 206863276 U CN206863276 U CN 206863276U CN 201621419786 U CN201621419786 U CN 201621419786U CN 206863276 U CN206863276 U CN 206863276U
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- optical fiber
- lens
- gettering layer
- capillary
- sleeve pipe
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Abstract
The utility model discloses a kind of high-power optical fiber collimator, and it includes sleeve pipe, optical fiber, lens and capillary, and the optical fiber is fixed on composition optical fiber head in capillary, and lens and the optical fiber head interval is set on the axial passage for being fixed on sleeve pipe；The gettering layer for being used for absorbing glue volatile matter is provided with described sleeve pipe, the gettering layer is molded by getter.By setting up gettering layer inside collimater, therefore glue volatile matter will be absorbed by gettering layer in the environment of collimater sealing, so as to avoid glue volatilization pollution light pass surface so that the laser damage threshold increase of light pass surface.The utility model is simple in construction, and technique is simple, Stability Analysis of Structures, dependable performance.
Description
Technical field
Collimater is the utility model is related to, especially a kind of high-power optical fiber collimator.
Background technology
High-capacity optical fiber laser has become a popular research direction both domestic and external, has been widely used in leading to
Letter, industry, military, medical treatment etc..High-power optical fiber collimator is high-capacity optical fiber laser and its isolation of component high power
The important component of device and frequency domain bundling device.It is that it is applied in high power field premise to improve optical fiber collimator maximum and bear power.
Although by the way that in one section of coreless fiber of optical fiber front end welding luminous power surface density can be reduced, the glue volatilization inside fiber optic collimator
Thing pollution light pass surface is still an important factor for causing collimater light pass surface that damage from laser occurs.
The content of the invention
In order to solve the above technical problems, the purpose of this utility model is to provide, a kind of cost is cheap, technique is simple, structure
Stable high-power optical fiber collimator.
To achieve the above object, the utility model uses following technical scheme：
A kind of high-power optical fiber collimator, including sleeve pipe, optical fiber, lens and capillary, the optical fiber are fixed on capillary
Interior composition optical fiber head, lens and the optical fiber head interval are set on the axial passage for being fixed on sleeve pipe；It is provided with and is used in described sleeve pipe
The gettering layer of glue volatile matter is absorbed, the gettering layer is molded by getter.
The one end of the lens or capillary in sleeve pipe is provided with stage portion or prismoid section, and the gettering layer is located at lens
Or in the stage portion or prismoid section of capillary.
The gettering layer is located in the gap between lens and optical fiber head.
The gettering layer is annular.
The anti-reflection film of high damage threshold is coated with the both ends of the surface of the lens, the light extraction end of the optical fiber head is also coated with height
The anti-reflection film of damage threshold.
The utility model uses above structure, has the advantages that：By setting up gettering layer inside collimater, because
This glue volatile matter in the environment of collimater sealing will be absorbed by gettering layer, so as to avoid glue volatilization pollution light pass surface, make
Obtain the laser damage threshold increase of light pass surface.The utility model is simple in construction, and technique is simple, Stability Analysis of Structures, dependable performance.
Brief description of the drawings
The utility model is described in further details below in conjunction with the drawings and specific embodiments；
Fig. 1 is the schematic diagram of the utility model high-power optical fiber collimator embodiment 1；
Fig. 2 is the schematic diagram of the utility model high-power optical fiber collimator embodiment 2；
Fig. 3 is the schematic diagram of the utility model high-power optical fiber collimator embodiment 3.
Embodiment
Embodiment 1
As shown in figure 1, high-power optical fiber collimator includes sleeve pipe 101, optical fiber 103, lens 104 and capillary 102, optical fiber
103 are fixed on composition optical fiber head in capillary 102, and lens 104 and optical fiber head interval set the axial passage for being fixed on sleeve pipe 101
On, the gettering layer 106,107 for being used for absorbing glue volatile matter is provided with sleeve pipe 101, the gettering layer 106,107 is molded by getter.
The light output end of lens 104 is sphere, and the entering light end face of lens 104 is plane, and the entering light end face of lens 104 carries
The angle of inclination of 0 to 8 degree（The entering light end face of lens 204 is in sleeve pipe 101）.
Stage portion or prismoid section are fabricated in the light inlet of lens 104, gettering layer 107 is fixed on the stage portion or prismoid section
Side on.The both ends of the surface of lens 104 plate the anti-reflection film of high damage threshold.
In addition, the light extraction end of capillary 102 is also fabricated to stage portion or prismoid section, and in capillary stage portion or frustum
Upper gettering layer 106 is also fixed in the side in portion.
Light extraction end welding the preceding paragraph coreless fiber 105 of optical fiber 103, to reduce the luminous power surface density of fiber end face.To
Injection glue in capillary 102, by welding, the optical fiber 103 of coreless fiber 105 is through in capillary 102 and solidifying.To capillary
102 light output end is polished into the angle of inclination of 0 to 8 degree, then plates the anti-reflection film of high damage threshold.
Glue volatile matter in collimater sealed environment will be absorbed by gettering layer, so as to avoid glue volatilization pollution thang-kng
Face so that the laser damage threshold increase of light pass surface.
Embodiment 2
As shown in Fig. 2 high-power optical fiber collimator includes sleeve pipe 201, optical fiber 203, lens 204 and capillary 202, optical fiber
203 are fixed on composition optical fiber head in capillary 202, and lens 204 and optical fiber head interval set the axial passage for being fixed on sleeve pipe 201
On, the gettering layer 206 for being used for absorbing glue volatile matter is provided with sleeve pipe 201, the gettering layer 206 is molded by getter.
The light output end of lens 204 is sphere, and the entering light end face of lens 204 is plane, and the entering light end face of lens 204 carries
The angle of inclination of 0 to 8 degree（The entering light end face of lens 204 is in sleeve pipe 201）.
Stage portion or prismoid section are fabricated in the light inlet of lens 204, high damage threshold is plated in the both ends of the surface of lens 204
The anti-reflection film of value.In addition, the light extraction end of capillary 202 is also fabricated to stage portion or prismoid section.
Light extraction end welding the preceding paragraph coreless fiber 205 of optical fiber 203, to reduce the luminous power surface density of fiber end face.To
Injection glue in capillary 202, by welding, the optical fiber 203 of coreless fiber 205 is through in capillary 202 and solidifying.To capillary
202 light output end is polished into the angle of inclination of 0 to 8 degree, then plates the anti-reflection film of high damage threshold.
Gettering layer 206 is fixed on the stage portion of lens 204 and capillary 202 or the side of prismoid section.
Glue volatile matter in collimater sealed environment will be absorbed by gettering layer, so as to avoid glue volatilization pollution thang-kng
Face so that the laser damage threshold increase of light pass surface.
Embodiment 3
As shown in figure 3, high-power optical fiber collimator includes sleeve pipe 301, optical fiber 303, lens 304 and capillary 302, optical fiber
303 are fixed on composition optical fiber head in capillary 302, and lens 304 and optical fiber head interval set the axial passage for being fixed on sleeve pipe 301
On, the gettering layer 306 for being used for absorbing glue volatile matter is provided with sleeve pipe 301, the gettering layer 306 is molded by getter.
The light output end of lens 304 is sphere, and the entering light end face of lens 304 is plane, and the entering light end face of lens 304 carries
The angle of inclination of 0 to 8 degree（The entering light end face of lens 304 is in sleeve pipe 301）.High damage is plated in the both ends of the surface of lens 304
Hinder the anti-reflection film of threshold value.
Light extraction end welding the preceding paragraph coreless fiber 305 of optical fiber 303, to reduce the luminous power surface density of fiber end face.To
Injection glue in capillary 302, by welding, the optical fiber 303 of coreless fiber 305 is through in capillary 302 and solidifying.To capillary
302 light output end is polished into the angle of inclination of 0 to 8 degree, then plates the anti-reflection film of high damage threshold.
Gettering layer 306 is located in the gap between lens 304 and optical fiber head, and the gettering layer is annular.
Glue volatile matter in collimater sealed environment will be absorbed by gettering layer, so as to avoid glue volatilization pollution thang-kng
Face so that the laser damage threshold increase of light pass surface.
Claims (5)
1. a kind of high-power optical fiber collimator, including sleeve pipe, optical fiber, lens and capillary, the optical fiber are fixed in capillary
Optical fiber head is formed, lens and the optical fiber head interval is set on the axial passage for being fixed on sleeve pipe；It is characterized in that：In described sleeve pipe
Provided with the gettering layer for absorbing glue volatile matter, the gettering layer is molded by getter.
A kind of 2. high-power optical fiber collimator according to claim 1, it is characterised in that：The lens or capillary are covering
One end in pipe is provided with stage portion or prismoid section, and the gettering layer is located at the stage portion or prismoid section of lens or capillary
On.
A kind of 3. high-power optical fiber collimator according to claim 1, it is characterised in that：The gettering layer be located at lens and
In gap between optical fiber head.
A kind of 4. high-power optical fiber collimator according to claim 3, it is characterised in that：The gettering layer is annular.
A kind of 5. high-power optical fiber collimator according to claim 1, it is characterised in that：In the both ends of the surface of the lens
The anti-reflection film of high damage threshold is coated with, the light extraction end of the optical fiber head is also coated with the anti-reflection film of high damage threshold.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621419786.1U CN206863276U (en) | 2016-12-23 | 2016-12-23 | A kind of high-power optical fiber collimator |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621419786.1U CN206863276U (en) | 2016-12-23 | 2016-12-23 | A kind of high-power optical fiber collimator |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206863276U true CN206863276U (en) | 2018-01-09 |
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ID=60815115
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201621419786.1U Active CN206863276U (en) | 2016-12-23 | 2016-12-23 | A kind of high-power optical fiber collimator |
Country Status (1)
| Country | Link |
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| CN (1) | CN206863276U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112612085A (en) * | 2020-12-22 | 2021-04-06 | 吕成江 | High-power optical fiber collimator |
-
2016
- 2016-12-23 CN CN201621419786.1U patent/CN206863276U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112612085A (en) * | 2020-12-22 | 2021-04-06 | 吕成江 | High-power optical fiber collimator |
| CN112612085B (en) * | 2020-12-22 | 2021-08-31 | 吕成江 | High-power optical fiber collimator |
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|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CP03 | Change of name, title or address |
Address after: 350100 floor 5, building 19, phase II, innovation park, No. 7, middle wulongjiang Avenue, Shangjie Town, Minhou County, Fuzhou City, Fujian Province Patentee after: Fujian Haichuang Photoelectric Technology Co.,Ltd. Address before: 350005 room 2706, 27 / F, zone B, Chuangye building, Haixi high tech Industrial Park, Fuzhou, Fujian Patentee before: FUJIAN HAICHUANG PHOTOELECTRIC CO.,LTD. |
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| CP03 | Change of name, title or address |