CN206497228U - The packaged lens fiber array coupled for VSCEL or PIN arrays - Google Patents
The packaged lens fiber array coupled for VSCEL or PIN arrays Download PDFInfo
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- CN206497228U CN206497228U CN201720140423.2U CN201720140423U CN206497228U CN 206497228 U CN206497228 U CN 206497228U CN 201720140423 U CN201720140423 U CN 201720140423U CN 206497228 U CN206497228 U CN 206497228U
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Abstract
The utility model discloses a kind of packaged lens fiber array coupled for VSCEL or PIN arrays, the fiber array includes 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；Condensing body includes with substrate bottom surface in the optical flat of 30 60 ° of angles and is connected the packaged lens fiber array of optical flat and the arc sphere of optical fiber bottom surface.Compared to prior art, it has coupling efficiency height, low cost and other advantages.
Description
Technical field
The utility model is related to technical field of photo communication, more particularly to a kind of hemisphere coupled for VSCEL or PIN arrays
Lens 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.
VCSEL and PIN emergent light is perpendicular to the circuit board surface of installation, and this is all little for the encapsulation and application of device
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 being 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, but 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 set
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, can solve the problem that the packaged lens fiber array that VSCEL or PIN arrays are coupled that is used for of above mentioned problem.
To achieve the above object, what the utility model was provided is used for the packaged lens optical fiber array that VSCEL or PIN arrays are coupled
Row, including substrate, cover plate and multifiber, the substrate include substrate leading portion and base plate rear section, the substrate leading portion upper surface
Higher than the base plate rear section upper surface, the 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 to form collection light letter from substrate leading portion
Number condensing body, the cover plate is arranged on substrate leading portion, and cover plate encloses the accommodating sky of fixed optical fiber with each V-shaped groove
Between；The condensing body includes with substrate bottom surface in the optical flat of 30-60 ° of angle and is connected the arc of optical flat and optical fiber bottom surface
Shape sphere；The radius of curvature of the arc sphere is 75-125um, and external optical signal passes sequentially through arc sphere optically focused and optics
Enter the inside of optical fibre after plane 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, the fiber array that the utility model is provided, by processing optical flat and curve in one end of every optical fiber
The cooperation of face, optical flat and arc sphere can realize the advantage of lens light gathering and optical flat reflected light simultaneously, compared to
Its cost of existing utilization separate lenses and optical flat work in combination is substantially reduced, and it is also added significantly to fiber array in addition
Tolerance, its scope is bigger when coupling adjustment is carried out to optical fiber, and the difficulty of coupling and coupling is added so as to reduce
Efficiency；
2nd, one end of every light of the utility model processes condensing body, wherein condensing body optical flat and substrate bottom surface
Angle be 30-60 ° can realize well optical signal be irradiated on optical flat after total reflection, there is no optical flat
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 and optical fiber in the utility model are integral type structure, and its optically focused angle etc. need not be adjusted additionally
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 that the utility model is used for the top view for the packaged lens fiber array that VSCEL or PIN arrays are coupled；
Fig. 2 is that the utility model is used for the front view for the packaged lens fiber array that VSCEL or PIN arrays are coupled；
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, optical flat 312, 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.
Fig. 1-3 are referred to, what the utility model was provided is used for the packaged lens fiber array that VSCEL or PIN arrays are coupled,
Including substrate 1, cover plate 2 and multifiber 3, substrate 1 includes substrate leading portion 11 and base plate rear section 12, and the upper surface of substrate leading portion 11 is high
In the upper surface of base plate rear section 12, the upper surface of substrate leading portion 11 is provided with multiple and the one-to-one V-shaped groove of multifiber 3, every
Optical fiber 3 is arranged in corresponding V-shaped groove, and every optical fiber 3 forward extends out to form collection light letter from substrate leading portion 11
Number condensing body 31, cover plate 2 is arranged on substrate leading portion 11, and cover plate 2 encloses the accommodating of fixed optical fiber with each V-shaped groove
Space；Condensing body 31 includes with the bottom surface of substrate 1 in the optical flat 311 of 30-60 ° of angle and is connected optical flat 311 and optical fiber 3
The arc sphere 312 of bottom surface；The radius of curvature of arc sphere 312 is 75-125um, and external optical signal passes sequentially through arc sphere
312 optically focused and optical flat 311 enter inside optical fiber 3 after reflecting.In the utility model, arc sphere 312 can form one
Globe lens, its range of curvature radius：75um-125um.
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 tail glue 4 height 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, can combine guarantee optical fiber 3 position constant together with cover plate 2；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 optical fiber
Optical flat 311 and the assembly of arc sphere 312 that 3 one end are processed, its length are conducive to processing machine more than 0.15mm
Tool fuses processing and attrition process to optical fiber 3, while being easy to actual 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 be made it is 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.It is such to set
After ensure 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, the fiber array that the utility model is provided, by processing optical flat and curve in one end of every optical fiber
The cooperation of face, optical flat and arc sphere can realize the advantage of lens light gathering and optical flat reflected light simultaneously, compared to
Its cost of existing utilization separate lenses and optical flat work in combination is substantially reduced, and it is also added significantly to fiber array in addition
Tolerance, its scope is bigger when coupling adjustment is carried out to optical fiber, and the difficulty of coupling and coupling is added so as to reduce
Efficiency；
2nd, one end of every light of the utility model processes condensing body, wherein condensing body optical flat and substrate bottom surface
Angle be 30-60 ° can realize well optical signal be irradiated on optical flat after total reflection, there is no optical flat
In the case of plated film, the total reflection of optical signal can be realized well by the reflection of angle.
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 protection domain of the present utility model.
Claims (5)
1. it is a kind of for VSCEL or PIN arrays couple packaged lens fiber array, it is characterised in that including substrate, cover plate and
Multifiber, the substrate includes substrate leading portion and base plate rear section, and the substrate leading portion upper surface is higher than on the base plate rear section
Surface, the substrate leading portion upper surface provided with multiple with the one-to-one V-shaped groove of multifiber, every optical fiber be arranged at
In its corresponding V-shaped groove, and every optical fiber forward extends out the condensing body to be formed and collect optical signal, the cover plate from substrate leading portion
It is arranged on substrate leading portion, and cover plate encloses the accommodation space of fixed optical fiber with each V-shaped groove；The condensing body include with
Substrate bottom surface is in the optical flat and linking optical flat and the arc sphere of optical fiber bottom surface of 30-60 ° of angle, the arc sphere
Radius of curvature be 75-125um.
2. the packaged lens fiber array according to claim 1 coupled for VSCEL or PIN arrays, it is characterised in that
Covered with the tail glue for fixing and protecting optical fiber on optical fiber between the cover plate and base plate rear section, and the height of the tail glue
Less than or equal to the height of cover plate.
3. the packaged lens fiber array according to claim 1 coupled for VSCEL or PIN arrays, it is characterised in that
The length of the condensing body is more than 0.15mm.
4. the packaged lens fiber array according to claim 1 coupled for VSCEL or PIN arrays, it is characterised in that
The intersection of the substrate leading portion and base plate rear section is provided with excessive inclined-plane.
5. the packaged lens fiber array according to claim 1 coupled for VSCEL or PIN arrays, it is characterised in that
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 |
|---|---|---|---|
| CN201720140423.2U CN206497228U (en) | 2017-02-16 | 2017-02-16 | The packaged lens fiber array coupled for VSCEL or PIN arrays |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720140423.2U CN206497228U (en) | 2017-02-16 | 2017-02-16 | The packaged lens fiber array coupled for VSCEL or PIN arrays |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206497228U true CN206497228U (en) | 2017-09-15 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720140423.2U Active CN206497228U (en) | 2017-02-16 | 2017-02-16 | The packaged lens fiber array coupled for VSCEL or PIN arrays |
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| CN (1) | CN206497228U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106842429A (en) * | 2017-02-16 | 2017-06-13 | 深圳市鹏大光电技术有限公司 | For the packaged lens fiber array and its manufacture method of the coupling of VSCEL or PIN arrays |
| CN115993689A (en) * | 2022-12-28 | 2023-04-21 | 讯芸电子科技(中山)有限公司 | Photoelectric transceiver and optical module |
-
2017
- 2017-02-16 CN CN201720140423.2U patent/CN206497228U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106842429A (en) * | 2017-02-16 | 2017-06-13 | 深圳市鹏大光电技术有限公司 | For the packaged lens fiber array and its manufacture method of the coupling of VSCEL or PIN arrays |
| CN115993689A (en) * | 2022-12-28 | 2023-04-21 | 讯芸电子科技(中山)有限公司 | Photoelectric transceiver and optical module |
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