CN210534375U - One-way collimation array assembly - Google Patents
One-way collimation array assembly Download PDFInfo
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- CN210534375U CN210534375U CN201921600400.0U CN201921600400U CN210534375U CN 210534375 U CN210534375 U CN 210534375U CN 201921600400 U CN201921600400 U CN 201921600400U CN 210534375 U CN210534375 U CN 210534375U
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- bottom plate
- unthreaded hole
- cover plate
- shaped grooves
- optical isolator
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Abstract
The utility model discloses an one-way collimation array component, including fiber connector, multichannel optical isolator and array lens device, the fiber connector include bottom plate, apron and optic fibre, the apron lid fits the upper portion of bottom plate, and the lower surface of apron is provided with first V type groove, and the upper surface of bottom plate is provided with second V type groove, first V type groove and second V type groove enclose into the first vestibule that supplies the optic fibre to penetrate, multichannel optical isolator be provided with the unthreaded hole of optic fibre one-to-one, be provided with on the array lens device with the lens unit of unthreaded hole one-to-one, the rear end face and the fixed bonding of fiber connector of multichannel optical isolator, each unthreaded hole and the coaxial setting of optic fibre that corresponds, array lens device and multichannel optical isolator's preceding terminal surface fixed bonding, each lens unit and the coaxial setting of unthreaded hole that corresponds. The utility model has the advantages that: the positioning is accurate and stable, the position deviation is not easy to generate, and the assembly efficiency is high.
Description
Technical Field
The utility model relates to an optical fiber array structure technical field, especially an one-way collimation array module.
Background
The optical fiber collimator belongs to a common component in an optical passive device, and has the main functions of light path collimation, reduction of divergence in the optical transmission process and achievement of highest energy of optical coupling when transmission and reception are facilitated. At present, most of optical fiber collimators are coaxially arranged with other optical devices through adjustment of mounting positions, so that the assembly precision requirement is high, the assembly efficiency is low, particularly for an optical fiber array, the device is difficult to miniaturize due to a complex mounting structure, and the problem of low assembly efficiency is difficult to solve.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to overcome prior art's shortcoming, provide an one-way collimation array subassembly, the location is accurate firm, is difficult for producing skew, and assembly efficiency is high.
The purpose of the utility model is realized through the following technical scheme: a unidirectional collimation array component comprises an optical fiber connector, a multi-channel optical isolator and an array lens device, wherein the optical fiber connector comprises a bottom plate, a cover plate and optical fibers, the cover plate covers the upper part of the bottom plate, the lower surface of the cover plate is provided with at least two first V-shaped grooves penetrating through the cover plate along the front-back direction, the upper surface of the bottom plate is provided with second V-shaped grooves which are arranged in one-to-one correspondence with the first V-shaped grooves, the specifications of each first V-shaped groove and the corresponding second V-shaped groove are the same, the first V-shaped grooves and the corresponding second V-shaped grooves are symmetrically arranged relative to a horizontal plane, a first hole cavity for the optical fibers to penetrate through is formed by the first V-shaped grooves and the corresponding second V-shaped grooves, each optical fiber penetrates through each first hole cavity, the front end face of each optical fiber, the front end face of the bottom plate and the front end face of the cover plate, all pack in the clearance between each optic fibre and the first V type groove that corresponds and second V type groove has the bonding agent, and the axis that is located each optic fibre of first pore chamber is located same horizontal plane, multichannel optical isolator be provided with the unthreaded hole of optic fibre one-to-one, each unthreaded hole all runs through multichannel optical isolator along the axial, all is provided with the printing opacity component that only allows one-way light to pass through in every unthreaded hole, the array lens device on be provided with the lens unit of unthreaded hole one-to-one, the rear end face of multichannel optical isolator passes through the preceding terminal surface fixed bonding of UV curing optical isolation glue and fiber connector's bottom plate and apron, each unthreaded hole and the coaxial setting of optic fibre that corresponds, array lens pass through the preceding terminal surface fixed bonding of UV curing optical isolation glue and multichannel optical isolator, each lens unit and the coaxial setting of unthreaded hole that corresponds.
The lens unit is a collimating lens unit for collimating the light path.
Preferably, the first V-shaped grooves have the same specification, and the second V-shaped grooves have the same specification.
Optionally, the number of the first V-shaped groove and the number of the second V-shaped groove are both 8.
During manufacturing, the optical fiber is placed in the second V-shaped groove, the cover plate covers the bottom plate and is connected and fixed together through the adhesive, and the adhesive can be glue or other materials.
Preferably, the cover plate is a quartz cover plate, and the bottom plate is a quartz bottom plate. The quartz material is adopted, the melting point of the quartz material exceeds 1300 ℃, and the requirement of high-temperature working condition can be met.
Preferably, the refractive index of the UV ultraviolet curing glue is n-1.5, and the UV ultraviolet curing glue is free from obstruction to light.
The utility model has the advantages of it is following:
the optical fiber of the utility model is positioned by the first V-shaped groove and the second V-shaped groove, the position is determined by the two line contact parts, the positioning is accurate and stable, and the position deviation is not easy to generate; the multichannel optical isolator has a plurality of unthreaded holes, sets up a plurality of lens units on the array lens device, as long as guaranteed the machining precision, once assemble alright realize the installation of the optical isolator of a plurality of optic fibre and lens, assembly efficiency is high.
Drawings
Fig. 1 is a schematic perspective view of the present invention.
Fig. 2 is a partial schematic view of the front end face of the optical fiber connector of the present invention.
Fig. 3 is a schematic side view of the present invention.
Fig. 4 is a schematic top view of the present invention.
Detailed Description
The invention is further described below with reference to the accompanying drawings:
as shown in fig. 1-4, a unidirectional collimating array assembly comprises an optical fiber connector, a multi-channel optical isolator 1 and an array lens device 2, wherein the optical fiber connector comprises a bottom plate 3, a cover plate 4 and optical fibers 5, the cover plate 4 covers the upper part of the bottom plate 3, the lower surface of the cover plate 4 is provided with at least two first V-shaped grooves 6 penetrating through the cover plate 4 along the front-back direction, the upper surface of the bottom plate 3 is provided with second V-shaped grooves 7 corresponding to the first V-shaped grooves 6 one by one, each first V-shaped groove 6 and the corresponding second V-shaped groove 7 have the same specification and are symmetrically arranged about a horizontal plane, the first V-shaped groove 6 and the corresponding second V-shaped groove 7 enclose a first cavity for the optical fibers 5 to penetrate through, each first cavity is internally provided with an optical fiber 5, and the front end surface of the optical fiber 5, the front end surface of the bottom plate 3 and the front end surface of the cover, each optical fiber 5 and the corresponding first V-shaped groove 6 and the second V-shaped groove 7 are only provided with two line contact parts, the gaps between each optical fiber 5 and the corresponding first V-shaped groove 6 and the second V-shaped groove 7 are filled with adhesive, and the central axes of the optical fibers 5 in the first cavities are positioned on the same horizontal plane.
Multichannel optical isolator 1 be provided with the unthreaded hole of 5 one-to-one of optic fibre, each unthreaded hole all runs through multichannel optical isolator 1 along the axial, all is provided with the printing opacity component that only allows one-way light to pass through in every unthreaded hole.
The array lens device 2 is provided with lens units corresponding to the light holes one by one.
The rear end face of the multi-channel optical isolator 1 is fixedly bonded with the front end faces of the bottom plate 3 and the cover plate 4 of the optical fiber connecting piece through UV (ultraviolet) curing glue, and each unthreaded hole is coaxially arranged with the corresponding optical fiber 5.
The array lens device 2 is fixedly bonded with the front end face of the multi-channel optical isolator 1 through UV curing glue, and each lens unit is coaxially arranged with the corresponding unthreaded hole.
The lens unit is a collimating lens unit for collimating the light path.
Preferably, the first V-shaped grooves 6 have the same specification, and the second V-shaped grooves 7 have the same specification.
Optionally, the number of the first V-shaped grooves 6 and the number of the second V-shaped grooves 7 are 8.
During manufacturing, the optical fiber 5 is placed in the second V-groove 7, and the cover plate 4 is covered on the bottom plate 3 and is connected and fixed together by an adhesive, which may be glue or other materials.
Preferably, the cover plate 4 is a quartz cover plate, and the bottom plate 3 is a quartz bottom plate. The quartz material is adopted, the melting point of the quartz material exceeds 1300 ℃, and the requirement of high-temperature working condition can be met.
Preferably, the refractive index of the UV ultraviolet curing glue is n-1.5, and the UV ultraviolet curing glue is free from obstruction to light.
The optical fiber 5 of the utility model is positioned by the first V-shaped groove 6 and the second V-shaped groove 7, the position is determined by the two line contact parts, the positioning is accurate and stable, and the position deviation is not easy to generate; the multichannel optical isolator 1 is provided with a plurality of unthreaded holes, and a plurality of lens units are arranged on the array lens device 2, so long as the machining precision is guaranteed, the installation of the optical isolator and the lens of a plurality of optical fibers 5 can be realized through one-time assembly, and the assembly efficiency is high.
Claims (6)
1. A unidirectional collimating array assembly, comprising: the optical fiber connector comprises an optical fiber connector, a multi-channel optical isolator and an array lens device, wherein the optical fiber connector comprises a bottom plate, a cover plate and optical fibers, the cover plate covers the upper part of the bottom plate, the lower surface of the cover plate is provided with at least two first V-shaped grooves penetrating through the cover plate along the front-back direction, the upper surface of the bottom plate is provided with second V-shaped grooves which are arranged in one-to-one correspondence with the first V-shaped grooves, each first V-shaped groove and the corresponding second V-shaped groove have the same specification and are symmetrically arranged relative to the horizontal plane, the first V-shaped groove and the corresponding second V-shaped groove enclose a first hole cavity for the optical fibers to penetrate into, each optical fiber penetrates through each first hole cavity, the front end surface of the optical fibers, the front end surface of the bottom plate and the front end surface of the cover plate are flush with each other, only two line contact parts are arranged between each optical fiber and the corresponding first V-shaped groove and the corresponding second V-shaped groove, and adhesives, the axis that is located each optic fibre of first pore chamber is located same horizontal plane, multichannel optical isolator be provided with the unthreaded hole of optic fibre one-to-one, each unthreaded hole all runs through multichannel optical isolator along the axial, all is provided with the printing opacity component that only allows one-way light to pass through in every unthreaded hole, the array lens device on be provided with the lens unit of unthreaded hole one-to-one, the rear end face of multichannel optical isolator passes through the preceding terminal surface fixed bonding of the bottom plate of UV curing glue and fiber connector and apron, each unthreaded hole and the coaxial setting of optic fibre that corresponds, array lens passes through the preceding terminal surface fixed bonding of UV curing glue and multichannel optical isolator, each lens unit and the coaxial setting of unthreaded hole that corresponds.
2. A unidirectional collimating array assembly as in claim 1, wherein: the lens unit is a collimating lens unit for collimating the light path.
3. A unidirectional collimating array assembly as in claim 1, wherein: the specifications of the first V-shaped grooves are the same, and the specifications of the second V-shaped grooves are the same.
4. A unidirectional collimating array assembly as in claim 1, wherein: the number of the first V-shaped grooves and the number of the second V-shaped grooves are 8.
5. A unidirectional collimating array assembly as in claim 1, wherein: the cover plate is a quartz cover plate, and the bottom plate is a quartz bottom plate.
6. A unidirectional collimating array assembly as in claim 1, wherein: the refractive index of the UV ultraviolet curing glue is n ═ 1.5.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921600400.0U CN210534375U (en) | 2019-09-23 | 2019-09-23 | One-way collimation array assembly |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921600400.0U CN210534375U (en) | 2019-09-23 | 2019-09-23 | One-way collimation array assembly |
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| Publication Number | Publication Date |
|---|---|
| CN210534375U true CN210534375U (en) | 2020-05-15 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201921600400.0U Active CN210534375U (en) | 2019-09-23 | 2019-09-23 | One-way collimation array assembly |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114137666A (en) * | 2021-11-24 | 2022-03-04 | 北京光润通科技发展有限公司 | One-way collimator assembly |
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2019
- 2019-09-23 CN CN201921600400.0U patent/CN210534375U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114137666A (en) * | 2021-11-24 | 2022-03-04 | 北京光润通科技发展有限公司 | One-way collimator assembly |
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Address after: 519080, 5th Floor, Building 1, No. 399 Chuangxin Third Road, Tangjiawan Town, High tech Zone, Zhuhai City, Guangdong Province Patentee after: Zhuhai Jiahua Weijie Technology Co.,Ltd. Address before: 518101 floor 2, block B, building F2, Changfeng Industrial Park, Liuxian Third Road, district 68, Xin'an street, Bao'an District, Shenzhen City, Guangdong Province Patentee before: Shenzhen Jiahua Weijie Technology Co.,Ltd. |