CN206960729U - Self-focusing sphere fiber array for the coupling of VSCEL or PIN arrays - Google Patents
Self-focusing sphere fiber array for the coupling of VSCEL or PIN arrays Download PDFInfo
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- CN206960729U CN206960729U CN201720208250.3U CN201720208250U CN206960729U CN 206960729 U CN206960729 U CN 206960729U CN 201720208250 U CN201720208250 U CN 201720208250U CN 206960729 U CN206960729 U CN 206960729U
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Abstract
The utility model discloses a kind of self-focusing sphere fiber array for the coupling of VSCEL or PIN arrays, including substrate, cover plate and multifiber, substrate includes substrate leading portion and base plate rear section, substrate leading portion upper surface is higher than base plate rear section upper surface, substrate leading portion upper surface is provided with the multiple and one-to-one V-shaped groove of multifiber, every optical fiber is arranged in corresponding V-shaped groove, and every optical fiber forward extends out the condensing body to be formed and collect optical signal from substrate leading portion, cover plate is arranged on substrate leading portion, and cover plate encloses the accommodation space of fixed optical fiber with each V-shaped groove；It is in 30 60 ° of angles that condensing body, which is included with substrate bottom surface, and the radius of curvature of arc sphere is the self focusing light fibre array of 0.5 0.7mm arc sphere.Compared to prior art, it has coupling efficiency height, low cost and other advantages.
Description
Technical field
It the utility model is related to technical field of photo communication, more particularly to a kind of autohemagglutination for the coupling of VSCEL or PIN arrays
Focal sphere face fiber array.
Background technology
With the development of economy era, the communications field in the life of people in occupation of increasingly consequence, and
People have been no longer satisfied with the communications that transmission rate is low, transmittability is weak, and it is this to start to update optical fiber transmission
Transmission means, among this continuous improvement, the optical fiber technology of the communications field is more and more ripe.
For VCSEL and PIN emergent light perpendicular to the circuit board surface of installation, this encapsulation and application for device is all little
It is convenient.Simplest optical interface is to dock optical fiber with VCSEL and PIN, and the emergent light of laser is directly entered optical fiber, without
Other intermediary elements, such coupled modes are referred to as vertical coupled.The vertical coupled reflection due to light causes speed too high,
Further, since it is vertical coupled, optical fiber, into perpendicular shape, causes the volume of optical module to increase with PCB.Coupling side typically now
Formula is that fiber array is ground into 90 ° of corners that reflecting surface at 45 ° realizes optical signal, it is ensured that the efficiency of coupling package and product it is whole
Body structure is smaller, although 45 ° of reflectings surface can realize the total reflection of optical signal, the light of fiber array and VCSEL and PIN is believed
Number coupling efficiency is not very high；Also have in the prior art and a piece of lens be respectively set in the light path both sides of 45 ° of reflectings surface, VCSEL and
PIN emergent light passes through one again by being irradiated to 45 ° of reflectings surface after a face lens light gathering, by the light of 45 ° of reflective surfaces
Enter after the lens light gathering of face in optical fiber, such setting can greatly improve the coupling efficiency of optical signal, but such setting
Cost is too high, is unfavorable for producing and using in large quantity.
The content of the invention
For weak point present in above-mentioned technology, a kind of cost of the utility model design is low, optical signal coupling efficiency
Height, it can solve the problem that the self-focusing sphere fiber array for being used for the coupling of VSCEL or PIN arrays of above mentioned problem.
To achieve the above object, the self-focusing sphere optical fiber provided by the utility model for the coupling of VSCEL or PIN arrays
Array, including substrate, cover plate and plurality of optical fibers, the substrate include substrate leading portion and base plate rear section, on the substrate leading portion
Surface is higher than the base plate rear section upper surface, the substrate leading portion upper surface be provided with the one-to-one V-shaped groove of optical fiber, every
Optical fiber is arranged in corresponding V-shaped groove, and condensing body is connected on every its end face of optical fiber, and the condensing body is located at substrate
Leading portion front extension, the cover plate are arranged on substrate leading portion, and cover plate encloses the appearance of fixed optical fiber with each V-shaped groove
Between being empty；The outstanding end of the condensing body has an arc sphere, and the arc sphere and the angle of optical fiber bottom surface are 30-
60 °, and the radius of curvature of arc sphere is 0.5-0.7mm；External optical signal is focused on by the bottom of condensing body enters condensing body,
And enter the inside of optical fibre after the arc spheric reflection.
Wherein, covered with the tail glue for fixing and protecting optical fiber on the optical fiber between the cover plate and base plate rear section, and
The height of the tail glue is less than or equal to the height of cover plate.
Wherein, the length of the condensing body is more than 0.15mm.
Wherein, the intersection of the substrate leading portion and base plate rear section is provided with excessive inclined-plane.
Wherein, the bottom surface of each V-shaped groove is consistent with the upper level of base plate rear section.
Advantage of the present utility model is：
1st, fiber array provided by the utility model, there is condensing body in one end welding of every optical fiber, then on condensing body
The arc sphere of total reflection can be realized to optical signal by being ground；Condensing body has self-focusing effect in itself, will can irradiate into
Enter optical fiber therein to be assembled, then the cooperation with arc sphere, lens light gathering and arc sphere reflected light can be realized simultaneously
The advantages of, substantially reduced compared to existing using separate lenses and arc sphere work in combination its cost, it is also significantly in addition
The tolerance of fiber array is added, its adjustable extent is bigger when coupling adjustment is carried out to optical fiber, so as to reduce coupling
Difficulty and add the efficiency of coupling；
2nd, one end of every light of the utility model processes condensing body, wherein condensing body arc sphere and substrate bottom surface
Angle be 30-60 ° can realize well optical signal be irradiated on arc sphere after total reflection, there is no arc sphere
In the case of plated film, the total reflection of optical signal can be realized well by the reflection of angle.
3rd, the condensing body in the utility model and optical fiber are integral type structure, its optically focused angle etc. without additionally being adjusted
Whole, reliability is high, is mounted directly optical fiber and processes the i.e. achievable high-precision light path coupling of condensing body, improves coupling efficiency.
Brief description of the drawings
Fig. 1 is the top view for the self-focusing sphere fiber array that the utility model is used for the coupling of VSCEL or PIN arrays；
Fig. 2 is the front view for the self-focusing sphere fiber array that the utility model is used for the coupling of VSCEL or PIN arrays；
Fig. 3 is the partial enlarged drawing at A in Fig. 2.
Main element symbol description is as follows：
1st, substrate 2, cover plate
3rd, optical fiber 4, tail glue
11st, substrate leading portion 12, base plate rear section
13rd, excessive inclined-plane 31, condensing body
311st, arc sphere.
Embodiment
In order to more clearly state the utility model, the utility model is further described below in conjunction with the accompanying drawings.
Refer to Fig. 1-3, the self-focusing sphere optical fiber array provided by the utility model for the coupling of VSCEL or PIN arrays
Row, including substrate 1, cover plate 2 and plurality of optical fibers 3, substrate 1 include substrate leading portion 11 and base plate rear section 12, on substrate leading portion 11
Surface is higher than the upper surface of base plate rear section 12, and the upper surface of substrate leading portion 11 is provided with and 3 one-to-one V-shaped groove of optical fiber, every light
Fibre 3 is arranged in corresponding V-shaped groove, and condensing body 31 is connected on every its end face of optical fiber 3, and condensing body 31 is located at substrate
The front extension of leading portion 11, cover plate 2 are arranged on substrate leading portion 11, and cover plate 2 encloses fixed optical fiber 3 with each V-shaped groove
Accommodation space；The outstanding end of condensing body 31 has an arc sphere 311, arc sphere 311 and the angle of the bottom surface of optical fiber 3
For 30-60 °, and the radius of curvature of arc sphere is 0.5-0.7mm；External optical signal is focused on by the bottom of condensing body 31 to be entered
Condensing body 31, and enter after the reflection of arc sphere 311 inside optical fiber 3.Among the utility model, arc sphere 311 with
The angle of the bottom surface of optical fiber 3 is the plane and the angle of the bottom surface of optical fiber 3 that arc sphere 311 is connected with optical fiber 3.
In the present embodiment, covered with for fixing and protecting optical fiber 3 on the optical fiber 3 between cover plate 2 and base plate rear section 12
Tail glue 4, and the height of tail glue 4 be less than or equal to cover plate 2 height.The setting of tail glue 4 can play a fixation to optical fiber 3
Effect, when optical fiber 3 is subsequently ground and used, it can be combined together with cover plate 2 and ensure that the position of optical fiber 3 is constant；Tail
The height that the height of glue 4 is less than or equal to cover plate 2 is the stability for ensureing tail glue 4, if the height of tail glue 4 is higher than cover plate 2
Height, easily because scratching in using and processing causes tail glue 4 to come off, so as to greatly shorten the service life of tail glue 4.
In the utility model, it is not limited to aid in fixing optical fiber 3 using tail glue 4 herein, other fixed structures can also be used, only
The good fixed of optical fiber 3 can be realized.
In the present embodiment, the length of condensing body 31 is more than 0.15mm.In the utility model, condensing body 31 is to carry
The special fiber 3 of self-focusing effect, and its one end processes arc sphere 311, its length is advantageous to processing machine more than 0.15mm
Tool fuses processing and attrition process to optical fiber 3, while is easy to actually use.
In the present embodiment, the intersection of substrate leading portion 11 and base plate rear section 12 is provided with excessive inclined-plane 13.Excessive inclined-plane 13
Setting be able to ensure that the stress that optical fiber 3 is subject at excessive inclined-plane 13 is smaller, improve the reliability of product and manufactured qualified
Rate, in addition, in actual use, the setting on excessive inclined-plane 13 can also be easy to accommodate tail glue 4 or other fixing devices, make
Optical fiber 3 is being used and more stablized in process.
In the present embodiment, the bottom surface of each V-shaped groove is consistent with the upper level of base plate rear section 12.Such setting
After can ensureing that optical fiber 3 is arranged on V-shaped groove, its height is consistent substantially with base plate rear section 12, on the one hand can so be prevented
The presence of the gradient damages optic fibre force, on the other hand can reduce the biography of the angle, more conducively optical signal of the bending of the light path of optical fiber 3
It is defeated.In the utility model, the floor height of V-shaped groove can also be slightly above the height of base plate rear section 12 or slightly below after substrate
The height of section 12.
Advantage of the present utility model is：
1st, fiber array provided by the utility model, there is condensing body in one end welding of every optical fiber, then on condensing body
The arc sphere of total reflection can be realized to optical signal by being ground；Condensing body has self-focusing effect in itself, will can irradiate into
Enter optical fiber therein to be assembled, then the cooperation with arc sphere, lens light gathering and arc sphere reflected light can be realized simultaneously
The advantages of, substantially reduced compared to existing using separate lenses and arc sphere work in combination its cost, it is also significantly in addition
The tolerance of fiber array is added, its adjustable extent is bigger when coupling adjustment is carried out to optical fiber, so as to reduce coupling
Difficulty and add the efficiency of coupling；
2nd, one end of every light of the utility model processes condensing body, wherein condensing body arc sphere and substrate bottom surface
Angle be 30-60 ° can realize well optical signal be irradiated on arc sphere after total reflection, there is no arc sphere
In the case of plated film, the total reflection of optical signal can be realized well by the reflection of angle.
3rd, the condensing body in the utility model and optical fiber are integral type structure, its optically focused angle etc. without additionally being adjusted
Whole, reliability is high, is mounted directly optical fiber and processes the i.e. achievable high-precision light path coupling of condensing body, improves coupling efficiency.
Disclosed above is only several specific embodiments of the present utility model, but the utility model is not limited to this,
The changes that any person skilled in the art can think of should all fall into the scope of protection of the utility model.
Claims (5)
1. a kind of self-focusing sphere fiber array for the coupling of VSCEL or PIN arrays, including substrate, cover plate and complex root light
Fibre, the substrate include substrate leading portion and base plate rear section, and the substrate leading portion upper surface is higher than the base plate rear section upper surface, institute
State substrate leading portion upper surface and be provided with and with the one-to-one V-shaped groove of optical fiber, every optical fiber be arranged at corresponding V-shaped groove
It is interior, and be connected on every its end face of optical fiber itself have self-focusing effect condensing body, the condensing body be located at substrate leading portion to
Preceding extension, the cover plate are arranged on substrate leading portion, and cover plate encloses the accommodating sky of fixed optical fiber with each V-shaped groove
Between；Characterized in that, the outstanding end of the condensing body has an arc sphere, external optical signal passes through condensing body autohemagglutination
Enter inside of optical fibre after burnt, arc spheric reflection, the arc sphere and the angle of optical fiber bottom surface are 30-60 °, and arc sphere
Radius of curvature be 0.5-0.7mm.
2. the self-focusing sphere fiber array according to claim 1 for the coupling of VSCEL or PIN arrays, its feature exists
In, covered with the tail glue for fixing and protecting optical fiber on the optical fiber between the cover plate and base plate rear section, and the tail glue
Highly it is less than or equal to the height of cover plate.
3. the self-focusing sphere fiber array according to claim 1 for the coupling of VSCEL or PIN arrays, its feature exists
In the length of the condensing body is more than 0.15mm.
4. the self-focusing sphere fiber array according to claim 1 for the coupling of VSCEL or PIN arrays, its feature exists
In the intersection of the substrate leading portion and base plate rear section is provided with excessive inclined-plane.
5. the self-focusing sphere fiber array according to claim 1 for the coupling of VSCEL or PIN arrays, its feature exists
In the bottom surface of each V-shaped groove is consistent with the upper level of base plate rear section.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720208250.3U CN206960729U (en) | 2017-03-06 | 2017-03-06 | Self-focusing sphere fiber array for the coupling of VSCEL or PIN arrays |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720208250.3U CN206960729U (en) | 2017-03-06 | 2017-03-06 | Self-focusing sphere fiber array for the coupling of VSCEL or PIN arrays |
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| Publication Number | Publication Date |
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| CN206960729U true CN206960729U (en) | 2018-02-02 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201720208250.3U Active CN206960729U (en) | 2017-03-06 | 2017-03-06 | Self-focusing sphere fiber array for the coupling of VSCEL or PIN arrays |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110609353A (en) * | 2019-09-10 | 2019-12-24 | 武汉博昇光电股份有限公司 | Corner lens optical fiber array and manufacturing method thereof |
-
2017
- 2017-03-06 CN CN201720208250.3U patent/CN206960729U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110609353A (en) * | 2019-09-10 | 2019-12-24 | 武汉博昇光电股份有限公司 | Corner lens optical fiber array and manufacturing method thereof |
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