CN210572886U - Lens prism integrated piece based on optical communication - Google Patents
Lens prism integrated piece based on optical communication Download PDFInfo
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- CN210572886U CN210572886U CN201921399282.1U CN201921399282U CN210572886U CN 210572886 U CN210572886 U CN 210572886U CN 201921399282 U CN201921399282 U CN 201921399282U CN 210572886 U CN210572886 U CN 210572886U
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- optical communication
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Abstract
The utility model belongs to the optical communication industry, in particular to a lens prism integrated piece based on optical communication, which comprises an adhesive part, a lens prism part and a filling part; the prism part of the lens is in a solid triangular shape, the lower part of the prism part is used as a PD side receiving light area, the vertical side surface of the prism part is processed into a lens structure and used as a parallel light incidence area, and the inclined surface is an inclined surface of 45 degrees; the shape, size and material of the filling part are the same as those of the lens prism part, the inclined plane parts of the filling part and the lens prism part are adhered to form a square structure, and the top surface is a plane to facilitate the adsorption of the suction nozzle; the bonding part is adhered to one side of the bottom of the lens prism part or is integrally formed, so that the lens prism integrated piece is conveniently arranged on the cushion block. The utility model discloses with prism and lens design structure as an organic whole, do not need manual bonding lens, prism, and then reduce the bonding error, improve product sensitivity, the viscose part of independent design more makes things convenient for pasting when an organic piece uses, can not spill over the PD side because of the viscose moreover and receive the light region.
Description
Technical Field
The utility model belongs to the optical communication trade especially relates to a lens prism integration spare based on optical communication.
Background
With the rapid development of the Optical communication industry, the requirement for sensitivity of a ROSA (Receiver Optical Sub-Assembly) is higher and higher at present, and under the condition that a PD chip and a TIA amplifier are the same, a lens prism mainly affects the sensitivity, and when the lens and the prism are manually bonded, deviation is easy to occur, so that the sensitivity is affected to a greater degree.
In the prior art, the structure of the single piece after being adhered is shown in fig. 1, a lens part A is in a cuboid shape, a 45d prism part B is in a triangle shape, and the lens part A and the 45d prism part B are adhered into a whole by glue manually, so that certain deviation exists and the sensitivity is influenced.
SUMMERY OF THE UTILITY MODEL
The utility model aims at solving artifical bonding lens, prism can have the deviation and then influence sensitivity's problem, provide a lens prism integration spare based on optical communication.
The technical scheme of the utility model:
a lens prism integrated piece based on optical communication includes an adhesive part C, a lens prism part D and a filling part E.
The lens prism part D is in a solid triangular shape, two surfaces of the lens prism part D are mutually vertical, one vertical surface is used as a bottom surface, and the other vertical surface is used as a vertical side surface; the lower part of the triangular body is used as a PD side light receiving area II, the vertical side surface of the triangular body is processed into a lens structure and used as a parallel light incident area I, the inclined surface of the triangular body is a 45-degree inclined surface, and a reflecting film is coated on the surface of the inclined surface of the triangular body to play a role of a 45-degree offset prism; the size of the lens prism portion D may be designed according to the optical path and size of the lens, prism element.
The shape, size and material of the filling part E are the same as those of the lens prism part D and are solid triangular, the filling part E and the inclined surface part of the lens prism part D are adhered to form a square structure, and the top surface is a plane to facilitate the adsorption of the suction nozzle.
Bonding part C, for the strip structure, paste the one side in lens prism part D bottom, perhaps be integrated into one piece with lens prism part D, install lens prism integrative piece on the cushion when convenient the use, and bonding part C is located outside the light-emitting area of PD side receiving light region II.
The material of the filling part E and the lens prism part D is silicon dioxide.
The width of the bonding part C is 0.5 mm.
The utility model has the advantages that: the utility model discloses with prism and lens design structure as an organic whole, do not need manual bonding lens, prism, and then reduce the bonding error, improve product sensitivity, the viscose part of independent design more makes things convenient for pasting when an organic piece uses, can not spill over the PD side because of the viscose moreover and receive the light region.
Drawings
Fig. 1 is a schematic structural diagram of a single piece after being pasted in the prior art.
Fig. 2 is a schematic structural view of the present invention, in which the bonding portion is integrated with the lens prism.
Fig. 3 is a schematic structural diagram of the present invention, in which the bonding portion and the lens prism are single bodies.
In the figure: an A lens portion; a B45 d prism portion; c, bonding part; a D lens prism portion; e filling part; i, a parallel light incidence area; the II PD side receives the light area.
Detailed Description
The following further describes a specific embodiment of the present invention with reference to the drawings and technical solutions.
As shown in fig. 2 and fig. 3, the utility model discloses a lens prism integrated piece based on optical communication, including bonding part C, lens prism part D and filling part E, the three links to each other in order as shown in the figure.
Designing a lens prism part D of the integrated piece according to the existing lens and prism single piece, so that the lens and prism part D and the integrated piece have the same optical effect; the lens prism part D is in a solid triangular shape, the lower part of the triangular body is used as a PD side light receiving area II, the right side of the triangular body is processed into a lens structure and used as a parallel light incidence area I, the inclined plane of the triangular body is a 45-degree inclined plane, and a reflecting film is coated on the inclined plane to play a role of a 45-degree offset prism.
According to the size of the lens prism part D, the filling part E is designed, so that the upper surface of the lens prism integrated piece is a plane, and the lens prism integrated piece is a cube, so that the suction nozzle can conveniently absorb the lens to couple the optical path of the lens; the shape, size and material of the filling part E are the same as those of the lens prism part D, the filling part E is in a solid triangular shape, the filling part E and the inclined surface part of the lens prism part D are adhered to form a square structure, and the top surface is a plane to facilitate the adsorption of the suction nozzle.
According to the lens prism part D, the size of the bonding part C is designed, the strip-shaped bonding part C with the width of 0.5mm is arranged on the bottom surface of the lens prism part D and is positioned outside the light outgoing area of the PD side light receiving area II, and therefore the bonding of the integrated part is facilitated during subsequent coupling.
Claims (3)
1. An optical communication-based lens prism integrated member, characterized in that the lens prism integrated member comprises an adhesive part (C), a lens prism part (D) and a filling part (E);
the lens prism part (D) is in a solid triangular shape, two surfaces of the lens prism part (D) are mutually vertical, one vertical surface is used as a bottom surface, and the other vertical surface is used as a vertical side surface; the lower part of the triangular body is used as a PD side light receiving area (II), the vertical side surface of the triangular body is processed into a lens structure and used as a parallel light incident area (I), the inclined surface of the triangular body is a 45-degree inclined surface, and a reflecting film is coated on the surface of the inclined surface to play a role of a 45-degree offset prism;
the filling part (E) is in a solid triangular shape, the size and the material of the filling part (E) are the same as those of the lens prism part (D), the filling part (E) is adhered to the inclined plane part of the lens prism part (D) to enable the filling part (E) and the inclined plane part to be adhered to form a square structure, and the top surface is a plane to facilitate the adsorption of the suction nozzle;
bonding part (C), for the strip structure, paste the one side in lens prism part (D) bottom, perhaps be integrated into one piece with lens prism part (D), will when convenient the use lens prism integrative piece install on the cushion, and bonding part (C) is located outside the light-emitting area of PD side receiving light region (II).
2. An optical communication-based lens prism integrated piece according to claim 1, wherein the material of the filling part (E) and the lens prism part (D) is silicon dioxide.
3. An optical communication-based lens-prism integrated member as set forth in claim 1 or 2, wherein the width of the bonded portion (C) is 0.5 mm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921399282.1U CN210572886U (en) | 2019-08-27 | 2019-08-27 | Lens prism integrated piece based on optical communication |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921399282.1U CN210572886U (en) | 2019-08-27 | 2019-08-27 | Lens prism integrated piece based on optical communication |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210572886U true CN210572886U (en) | 2020-05-19 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921399282.1U Active CN210572886U (en) | 2019-08-27 | 2019-08-27 | Lens prism integrated piece based on optical communication |
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| Country | Link |
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| CN (1) | CN210572886U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2023184802A1 (en) * | 2022-03-30 | 2023-10-05 | 诚瑞光学(重庆)有限公司 | Aspheric prism manufacturing method and aspheric prism |
-
2019
- 2019-08-27 CN CN201921399282.1U patent/CN210572886U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2023184802A1 (en) * | 2022-03-30 | 2023-10-05 | 诚瑞光学(重庆)有限公司 | Aspheric prism manufacturing method and aspheric prism |
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Address after: 116023 elevator 5 / F, 125 Gaoneng street, Dalian high tech Industrial Park, Liaoning Province Patentee after: Dalian Youxun Technology Co., Ltd Address before: 116023 elevator 5 / F, 125 Gaoneng street, Dalian high tech Industrial Park, Liaoning Province Patentee before: DALIAN YOUXUN TECHNOLOGY Co.,Ltd. |