CN220543165U - Lens assembly for optical transmission - Google Patents
Lens assembly for optical transmission Download PDFInfo
- Publication number
- CN220543165U CN220543165U CN202321963939.9U CN202321963939U CN220543165U CN 220543165 U CN220543165 U CN 220543165U CN 202321963939 U CN202321963939 U CN 202321963939U CN 220543165 U CN220543165 U CN 220543165U
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- optical fiber
- lens assembly
- light transmission
- base
- light
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- 230000005540 biological transmission Effects 0.000 title claims abstract description 26
- 230000003287 optical effect Effects 0.000 title claims abstract description 17
- 239000013307 optical fiber Substances 0.000 claims abstract description 50
- 239000003292 glue Substances 0.000 claims description 6
- 230000000694 effects Effects 0.000 abstract description 4
- 239000000835 fiber Substances 0.000 description 4
- 238000009434 installation Methods 0.000 description 4
- 239000000758 substrate Substances 0.000 description 4
- 230000009286 beneficial effect Effects 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 238000003491 array Methods 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000003780 insertion Methods 0.000 description 1
- 230000037431 insertion Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000000087 stabilizing effect Effects 0.000 description 1
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- Optical Couplings Of Light Guides (AREA)
Abstract
The utility model relates to a lens assembly for optical transmission, comprising a base and an optical fiber connector; the upper end of the light transmission hole is provided with a top micro-lens array corresponding to the bottom micro-lens array; the optical fiber connecting piece is positioned and installed at the upper end of the base, a plurality of optical fiber mounting holes are formed in the optical fiber connecting piece, and the optical fiber mounting holes are arranged in one-to-one correspondence with the microlenses on the top microlens array; when the light transmission connection module is used, light sequentially passes through the bottom micro lens array and the top micro lens array and then enters the optical fiber, so that the light path effect of vertical light emission is realized, and the light transmission connection module with smaller mention is formed by adopting a simple combined structure.
Description
Technical Field
The utility model relates to the technical field of optical system elements, in particular to a lens assembly for light transmission.
Background
As the application of optical transmission technology is more and more widespread, the product forms of the optical transmission adopted are also becoming diversified. The conventional lenses for optical transmission are basically used for solving the functional requirement of optical path conversion, and precisely, the conventional lenses are used for changing the light emitted by the VCSEL (vertical cavity surface emitting laser) from the vertical substrate direction to the parallel substrate direction, which can meet most of the previous application scenarios, but with the development of diversification of optical transmission products, some connection situations without changing the optical path direction occur, for example, in some devices or systems, the optical path transmission is directly transmitted along the vertical substrate direction to be more beneficial to the arrangement of the devices, and the prior art lens structure is not adequate for such situations, so that a new lens structure is needed to appear.
Disclosure of Invention
Based on the above description, the present utility model provides a lens assembly for light transmission, so as to solve the technical problem that a lens structure for transmitting an optical path along a direction perpendicular to a substrate is lacking in the prior art.
The technical scheme for solving the technical problems is as follows:
a lens assembly for optical transmission comprising a base and an optical fiber connector;
the upper end of the light transmission hole is provided with a top micro-lens array corresponding to the bottom micro-lens array;
the optical fiber connector is positioned and installed at the upper end of the base, a plurality of optical fiber installation holes are formed in the optical fiber connector, and the optical fiber installation holes are in one-to-one correspondence with the microlenses on the top microlens array.
Compared with the prior art, the technical scheme of the application has the following beneficial technical effects:
the lens assembly that this application provided sets up the light trap lower extreme to the position of the stress light emitter, corresponds installation optic fibre in the optic fibre mounting hole, and light gets into inside optic fibre after bottom microlens array and top microlens array in proper order, has realized the light path effect of perpendicular light-emitting, adopts simple integrated configuration, forms one kind and has the light transmission connection module that the littleer mentions.
On the basis of the technical scheme, the utility model can be improved as follows.
Further, the bottom microlens array and the top microlens array are both convex lens arrays.
Further, positioning columns are arranged on two sides of the upper end of the base, and positioning holes are correspondingly formed in the lower end of the optical fiber connecting piece.
Further, the microlenses on the top microlens array are arranged along a straight line.
Further, a dispensing block is arranged on one side of the positioning column, and the side wall of the dispensing block is connected with the side wall of the optical fiber connecting piece and fixed by glue.
Further, the lower extreme of base is provided with the bottom cavity, the lower extreme of light trap is located the top surface of bottom cavity.
Further, a connection notch is formed at the upper end of the optical fiber connector, and optical fiber accommodating grooves corresponding to the optical fiber mounting holes one by one are formed on the side wall of the connection notch.
Drawings
Fig. 1 is a schematic structural diagram of a lens assembly for optical transmission according to an embodiment of the present application;
FIG. 2 is a schematic structural view of a base in an embodiment of the present application;
FIG. 3 is a schematic view of another view structure of FIG. 2;
FIG. 4 is a schematic structural view of an optical fiber connector according to an embodiment of the present application;
fig. 5 is a schematic view illustrating a usage state of an embodiment of the present application.
Detailed Description
In order to facilitate an understanding of the present application, a more complete description of the present application will now be provided with reference to the relevant figures. Examples of the present application are given in the accompanying drawings. This application may, however, be embodied in many different forms and is not limited to the embodiments described herein. Rather, these embodiments are provided so that this disclosure will be thorough and complete.
Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this application belongs. The terminology used herein in the description of the application is for the purpose of describing particular embodiments only and is not intended to be limiting of the application.
It will be appreciated that spatially relative terms such as "under … …," "under … …," "below," "under … …," "over … …," "above," and the like may be used herein to describe one element or feature's relationship to another element or feature as illustrated in the figures. It will be understood that the spatially relative terms are intended to encompass different orientations of the device in use and operation in addition to the orientation depicted in the figures. For example, if the device in the figures is turned over, elements or features described as "under" or "beneath" other elements would then be oriented "on" the other elements or features. Thus, the exemplary terms "under … …" and "under … …" may include both an upper and a lower orientation. Furthermore, the device may also include an additional orientation (e.g., rotated 90 degrees or other orientations) and the spatial descriptors used herein interpreted accordingly.
It will be understood that when an element is referred to as being "connected" to another element, it can be directly connected to the other element or be connected to the other element through intervening elements. In the following embodiments, "connected" is understood to mean "electrically connected", "communicatively connected", and the like, if the connected circuits, modules, units, and the like have electrical or data transferred therebetween.
As used herein, the singular forms "a", "an" and "the" are intended to include the plural forms as well, unless the context clearly indicates otherwise. It will be further understood that the terms "comprises" and/or "comprising," and/or the like, specify the presence of stated features, integers, steps, operations, elements, components, or groups thereof, but do not preclude the presence or addition of one or more other features, integers, steps, operations, elements, components, or groups thereof.
As shown in fig. 1 to 4, the present embodiment provides a lens assembly for optical transmission, which includes a base 10 and an optical fiber connector 20.
Wherein, the upper array of base 10 is provided with the light trap 10a that vertically runs through base 10, and the lower extreme of light trap 10a is provided with bottom microlens array 11, and the upper end of light trap 10a is provided with top microlens array 12.
In the preferred embodiment of the present application, both the bottom microlens array 11 and the top microlens array 12 are convex lenses.
The optical fiber connector 20 is positioned and installed at the upper end of the base 10, specifically, as a preferred connection mode, positioning columns 13 are arranged at two sides of the upper end of the base 10, positioning holes 21 are correspondingly formed at the lower end of the optical fiber connector 20, it can be understood that, in order to ensure the stability and reliability of an optical path, the positioning columns 13 are precise positioning columns with higher positioning precision, the positioning holes are also manufactured according to corresponding specifications or manufacturing requirements, in other embodiments, the positioning holes can be formed in the base 10, and the positioning columns are arranged at the lower end of the optical fiber connector 20 for positioning, which is not limited herein.
The optical fiber connector 20 is formed with a plurality of optical fiber mounting holes 20a, and the optical fiber mounting holes 20a are arranged in one-to-one correspondence with the microlenses on the top microlens array 12.
The microlenses on the top microlens array 12 are arranged in a straight line for ease of fabrication and compliance with typical fiber mounting rules.
The engagement of the positioning post 13 and the positioning hole 21 alone cannot be generally the connection fastening of the base 10 and the optical fiber connector 20, and therefore, in the preferred embodiment of the present application, one side of the positioning post 13 is provided with the dispensing block 14, and the side wall of the dispensing block 14 is connected with the side wall of the optical fiber connector 20 and fixed by glue.
In order to be convenient for install the light source at the base 10 lower extreme, the lower extreme of base 10 is provided with the bottom cavity, and the lower extreme of light trap 10a is located the top surface of bottom cavity, and light source or driver all can correspond the bottom cavity installation, have reduced the device volume, have saved the usage space.
Wherein, the upper end of the optical fiber connector 20 forms a connection notch 20b, the sidewall of the connection notch 20b forms an optical fiber accommodating groove 20c corresponding to the optical fiber mounting holes 20a one by one, when installing the optical fiber, the optical fiber cable is correspondingly placed in the optical fiber accommodating groove 20c, which can play a role in stabilizing the position of the optical fiber, and facilitate the insertion of the optical fiber end into the optical fiber mounting holes 20 a.
Referring to fig. 5, when the lens assembly provided in this application is used, firstly, after the optical fiber connector 20 is positioned and mounted on the base 10, glue is fixed on the junction between the side wall of the dispensing block 14 and the side wall of the optical fiber connector 20, then the lower end of the light transmitting hole 10a is arranged at the position corresponding to the light source (generally, VCSEL), the optical fiber 30 is correspondingly inserted into the optical fiber mounting hole 20a, and the laser light sequentially passes through the bottom microlens array 11 and the top microlens array 12 and then enters the optical fiber 30, so that the light path effect of vertical light emission is realized.
The foregoing description of the preferred embodiments of the utility model is not intended to limit the utility model to the precise form disclosed, and any such modifications, equivalents, and alternatives falling within the spirit and scope of the utility model are intended to be included within the scope of the utility model.
Claims (7)
1. A lens assembly for optical transmission comprising a base and an optical fiber connection;
the upper end of the light transmission hole is provided with a top micro-lens array corresponding to the bottom micro-lens array;
the optical fiber connecting piece is positioned and installed at the upper end of the base, a plurality of optical fiber mounting holes are formed in the optical fiber connecting piece, and the optical fiber mounting holes are arranged in one-to-one correspondence with the microlenses on the top microlens array.
2. The lens assembly for light transmission of claim 1, wherein the bottom microlens array and the top microlens array are each a convex lens array.
3. The lens assembly for light transmission according to claim 1, wherein positioning posts are provided on both sides of the upper end of the base, and positioning holes are provided at the lower end of the optical fiber connector.
4. A lens assembly for light transmission according to claim 3, wherein the microlenses on the top microlens array are arranged along a straight line.
5. A lens assembly for light transmission according to claim 3, wherein one side of the positioning post is provided with a glue dispensing block, and the side wall of the glue dispensing block is connected with the side wall of the optical fiber connector and fixed by glue.
6. A lens assembly for light transmission as recited in claim 3, wherein the lower end of the base is provided with a bottom cavity, and the lower end of the light transmitting aperture is located on the top surface of the bottom cavity.
7. The lens assembly for light transmission according to claim 1, wherein the upper end of the optical fiber connector is formed with a connection notch, and the side walls of the connection notch are formed with optical fiber accommodating grooves in one-to-one correspondence with the optical fiber mounting holes.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321963939.9U CN220543165U (en) | 2023-07-22 | 2023-07-22 | Lens assembly for optical transmission |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321963939.9U CN220543165U (en) | 2023-07-22 | 2023-07-22 | Lens assembly for optical transmission |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220543165U true CN220543165U (en) | 2024-02-27 |
Family
ID=89973247
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202321963939.9U Active CN220543165U (en) | 2023-07-22 | 2023-07-22 | Lens assembly for optical transmission |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220543165U (en) |
-
2023
- 2023-07-22 CN CN202321963939.9U patent/CN220543165U/en active Active
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