CN110058361A - A kind of COB optical module transmitting terminal LENS pipe cap - Google Patents
A kind of COB optical module transmitting terminal LENS pipe cap Download PDFInfo
- Publication number
- CN110058361A CN110058361A CN201910325639.XA CN201910325639A CN110058361A CN 110058361 A CN110058361 A CN 110058361A CN 201910325639 A CN201910325639 A CN 201910325639A CN 110058361 A CN110058361 A CN 110058361A
- Authority
- CN
- China
- Prior art keywords
- cavity
- pipe cap
- transmitting terminal
- optical module
- module transmitting
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
Classifications
-
- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B6/00—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings
- G02B6/24—Coupling light guides
- G02B6/42—Coupling light guides with opto-electronic elements
- G02B6/4201—Packages, e.g. shape, construction, internal or external details
- G02B6/4219—Mechanical fixtures for holding or positioning the elements relative to each other in the couplings; Alignment methods for the elements, e.g. measuring or observing methods especially used therefor
- G02B6/422—Active alignment, i.e. moving the elements in response to the detected degree of coupling or position of the elements
-
- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B6/00—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings
- G02B6/24—Coupling light guides
- G02B6/42—Coupling light guides with opto-electronic elements
- G02B6/4201—Packages, e.g. shape, construction, internal or external details
- G02B6/4255—Moulded or casted packages
Abstract
The present invention relates to a kind of COB optical module transmitting terminal LENS pipe caps, including integrally formed matrix, described matrix have luminescence chip fixed structure, ceramic fibre core fixed structure and between the luminescence chip fixed structure and ceramic fibre core fixed structure can optical transmission the structure that is coupled and aligned；Using the molding integral type pipe cap of injection molding as fiber coupling align structures, when ceramic fibre core is inserted into the second cavity, luminescence chip is fixedly connected with the pipe cap, entire fiber coupling cavity is closed, water proof and dust proof has improved tension, the shock resistance of butt joint, avoids pollution of the dust impurity to fiber end face, while simplicity operation, reliability is improved；By 45 ° of first refractive surface 1.31 of setting, the length for the structure that is coupled and aligned can be reduced to greatest extent, can satisfy more use demands.
Description
Technical field
The present invention relates to a kind of COB optical module transmitting terminal LENS pipe caps.
Background technique
LENS pipe cap is the precison optical component for forming a core of COB type optical module, and the luminous point of luminescence chip is straight
Diameter is less than 10um, and the angle of divergence≤33 ° of light beam, and the fibre core that optical patchcord is used to couple light also only has 62.5um straight
Diameter so entire optical path must be aligned precisely very much, while must also be reduced by material reflected refraction bring energy as far as possible
Loss and the interference to primary optical element.
Existing coupled apparatus is limited by structure, and endurance and chucking power are all smaller between coupling unit, is easy
Stress loosens, and connector will lead to accessory separation when pulling stress, to influence whole coupling performance.
Summary of the invention
The present invention for the technical problems in the prior art, provides a kind of COB optical module transmitting terminal LENS pipe cap, adopts
It uses the molding integral type pipe cap of injection molding as fiber coupling align structures, has improved tension, the shock resistance of butt joint,
While simplicity operation, reliability is improved.
The technical scheme to solve the above technical problems is that a kind of COB optical module transmitting terminal LENS pipe cap, including
Integrally formed matrix, described matrix have luminescence chip fixed structure, ceramic fibre core fixed structure and are located at the luminous core
Between piece fixed structure and ceramic fibre core fixed structure can optical transmission the structure that is coupled and aligned.
Preferably, the luminescence chip fixed structure includes the first cavity that described matrix bottom surface is arranged in, luminescence chip
It is fixed on the lower section of first cavity, the optical device on the luminescence chip protrudes into first inside cavity.
Preferably, the horizontal direction one side of described matrix is equipped with the second cavity for accommodating ceramic fibre core, described
Second inside cavity is equipped with the First terrace pushed against with the ceramic core end surface.
Preferably, it is equipped with third cavity above first cavity, the structure that is coupled and aligned includes along the LD direction of the launch
It is disposed with the first convex lens surface, first refractive surface and the second convex lens surface；First convex lens surface is arranged first
On cavity inner surface and perpendicular to the LD direction of the launch, the first refractive surface is arranged on third cavity inner surface, and described the
Two convex lens surfaces are arranged on the inner surface of the second cavity, and optical device issues light beam and successively passes through the first convex lens surface, first
Refractive surface and the second convex lens surface are coupled into ceramic fibre core.
Preferably, the first refractive surface and First terrace are arranged in 45° angle, the first refractive surface and LD light
The direction of the launch is also in 45° angle, and the light beam that optical device is launched is after first refractive surface reflection vertically into ceramic fibre core
In.
Preferably, the surface on the first refractive surface is coated with high-reflecting film.
Preferably, the focal point on first convex lens surface, the First terrace and institute is arranged in the optical device
The focal plane for stating the second convex lens surface is overlapped.
Preferably, described matrix is made of PMMA material.
The beneficial effects of the present invention are: using the molding integral type pipe cap of injection molding as fiber coupling align structures,
When ceramic fibre core is inserted into the second cavity, luminescence chip is fixedly connected with the pipe cap, and entire fiber coupling cavity is closed, waterproof
It is dust-proof, tension, the shock resistance of butt joint have been improved, pollution of the dust impurity to fiber end face is avoided, simplicity operation
Meanwhile improving reliability；By 45 ° of first refractive surface 1.31 of setting, the knot that is coupled and aligned can be reduced to greatest extent
The length of structure can satisfy more use demands.Advantages of simple is arranged in structure of the invention, small in size, and intensity is high, is easily assembled
With use, it is applied widely.
Detailed description of the invention
Fig. 1 is a kind of COB optical module transmitting terminal LENS pipe cap schematic cross-section of the present invention.
Specific embodiment
The principle and features of the present invention will be described below with reference to the accompanying drawings, and the given examples are served only to explain the present invention, and
It is non-to be used to limit the scope of the invention.
As shown in Figure 1, a kind of COB optical module transmitting terminal LENS pipe cap, including integrally formed matrix 1,1 bottom of described matrix
Face is equipped with the first cavity 1.1, and 1.1 bottom of the first cavity is fixedly connected with luminescence chip, is configured on the luminescence chip
One optical device 2, the optical device 2 protrude into the inside (as shown in Figure 1) of first cavity 1.1, the hair from outside
Configured with the driving chip for driving the optical device 2 on optical chip, the optical device 2 can be used for emitting light beam, such as
It is configured to VCSEL either LD transmitter, the optical device 2 can also be used as optical receiver and receive light beam, such as be configured to
PD PIN receiver, using LD transmitter as exemplary illustration in the present embodiment.
The horizontal direction one side of described matrix 1 is equipped with the second cavity 1.2 for accommodating ceramic fibre core, and described second
The First terrace 1.21 pushed against with the ceramic core end surface is equipped with inside cavity 1.2,1.1 top of the first cavity is also set
There is third cavity 1.3, the structure that is coupled and aligned includes that the first convex lens surface 1.11, first refractive are disposed with along the LD direction of the launch
Surface 1.31 and the second convex lens surface 1.22；First convex lens surface 1.11 is arranged on 1.1 inner surface of the first cavity and hangs down
Directly in the LD direction of the launch, the first refractive surface 1.31 is arranged on 1.3 inner surface of third cavity, second convex lens surface
1.22 are arranged on the inner surface of the second cavity 1.2；Preferably, the first refractive surface 1.31 is in First terrace 1.21
45° angle setting, the first refractive surface 1.31 and LD light emitting direction are also in 45° angle, and the optical device 2 is arranged described
The focal point on the first convex lens surface 1.11, the focal plane weight of the First terrace 1.21 and second convex lens surface 1.22
It closes, the light beam that optical device 2 is launched is after first refractive surface reflection vertically into ceramic fibre core.
Optical device 2, which issues light beam, successively to be passed through the first convex lens surface 1.11 and is converted to collimated light beam on vertical direction,
Collimated light beam on the vertical direction is converted to the collimated light beam in horizontal direction, water by the reflection on first refractive surface 1.31
Square upward collimated light beam is coupled into ceramic fibre core eventually by the focusing on the second convex lens surface 1.22；In turn, it makes pottery
The light beam of optical fiber transmission in porcelain fibre core is converted to the collimated light beam in horizontal direction by the second convex lens surface 1.22, then passes through
It crosses 1.31 reflecting surface of first refractive surface and is converted to vertical direction collimated light beam, focus coupling finally by the first convex lens surface 1.11
It closes back in optical device 2；By 45 ° of first refractive surface 1.31 of setting, the structure that is coupled and aligned can be reduced to greatest extent
Length, can satisfy more use demands.
It, can be on the first refractive surface 1.31 in order to further increase the optical property of the above-mentioned structure that is coupled and aligned
Surface is coated with high-reflecting film, coats high performance high transmittance film on the first convex lens surface 1.11 and 1.22 surface of the second convex lens surface；
Described matrix 1 is made of PMMA material.
The present invention uses the molding integral type pipe cap of injection molding as fiber coupling align structures, when ceramic fibre core is inserted into
Second cavity, luminescence chip are fixedly connected with the pipe cap, and entire fiber coupling cavity is closed, and water proof and dust proof improves
Tension, the shock resistance of butt joint avoid pollution of the dust impurity to fiber end face, and while simplicity operates, improving can
By property.
The foregoing is merely presently preferred embodiments of the present invention, is not intended to limit the invention, it is all in spirit of the invention and
Within principle, any modification, equivalent replacement, improvement and so on be should all be included in the protection scope of the present invention.
Claims (8)
1. a kind of COB optical module transmitting terminal LENS pipe cap, which is characterized in that including integrally formed matrix (1), described matrix
(1) there is luminescence chip fixed structure, ceramic fibre core fixed structure and be located at the luminescence chip fixed structure and ceramic fibre core
Between fixed structure can optical transmission the structure that is coupled and aligned.
2. a kind of COB optical module transmitting terminal LENS pipe cap according to claim 1, which is characterized in that the luminescence chip
Fixed structure includes first cavity (1.1) of the setting in described matrix (1) bottom surface, and luminescence chip is fixed on first cavity
(1.1) lower section, it is internal that the optical device (2) on the luminescence chip protrudes into first cavity (1.1).
3. a kind of COB optical module transmitting terminal LENS pipe cap according to claim 2, which is characterized in that described matrix (1)
Horizontal direction one side is equipped with the second cavity (1.2) for accommodating ceramic fibre core, is equipped with inside second cavity (1.2)
The First terrace (1.21) pushed against with the ceramic core end surface.
4. a kind of COB optical module transmitting terminal LENS pipe cap according to claim 3, which is characterized in that first cavity
(1.1) top is equipped with third cavity (1.3), and the structure that is coupled and aligned includes being disposed with the first convex lens along the LD direction of the launch
Surface (1.11), first refractive surface (1.31) and the second convex lens surface (1.22)；First convex lens surface (1.11) setting
On the first cavity (1.1) inner surface and perpendicular to the LD direction of the launch, the first refractive surface (1.31) is arranged in third chamber
On body (1.3) inner surface, second convex lens surface (1.22) is arranged on the inner surface of the second cavity, optical device (2) hair
Light beam successively passes through the first convex lens surface (1.11), first refractive surface (1.31) and the second convex lens surface (1.22) and is coupled into out
Enter in ceramic fibre core.
5. a kind of COB optical module transmitting terminal LENS pipe cap according to claim 4, which is characterized in that the first refractive
Surface (1.31) and First terrace (1.21) are arranged in 45° angle.
6. a kind of COB optical module transmitting terminal LENS pipe cap according to claim 4, which is characterized in that the first refractive
The surface on surface (1.31) is coated with high-reflecting film.
7. a kind of COB optical module transmitting terminal LENS pipe cap according to claim 4, which is characterized in that the optical device
(2) focal point on first convex lens surface (1.11), the First terrace (1.21) and the second convex lens table are set
The focal plane in face (1.22) is overlapped.
8. a kind of COB optical module transmitting terminal LENS pipe cap according to any one of claims 1-7, which is characterized in that
Described matrix (1) is made of PMMA material.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910325639.XA CN110058361A (en) | 2019-04-22 | 2019-04-22 | A kind of COB optical module transmitting terminal LENS pipe cap |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910325639.XA CN110058361A (en) | 2019-04-22 | 2019-04-22 | A kind of COB optical module transmitting terminal LENS pipe cap |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN110058361A true CN110058361A (en) | 2019-07-26 |
Family
ID=67320061
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910325639.XA Pending CN110058361A (en) | 2019-04-22 | 2019-04-22 | A kind of COB optical module transmitting terminal LENS pipe cap |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN110058361A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111458815A (en) * | 2020-05-22 | 2020-07-28 | 青岛海信宽带多媒体技术有限公司 | Optical module |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2007121973A (en) * | 2005-10-31 | 2007-05-17 | Fujikura Ltd | Optical connector |
| CN103852831A (en) * | 2012-11-30 | 2014-06-11 | 鸿富锦精密工业（深圳）有限公司 | Lens unit and optical fiber coupling connector |
| CN103852830A (en) * | 2012-11-29 | 2014-06-11 | 鸿富锦精密工业（深圳）有限公司 | Photoelectric conversion module |
| CN203941321U (en) * | 2014-07-02 | 2014-11-12 | 苏州旭创科技有限公司 | Optical module |
| CN105518506A (en) * | 2015-02-12 | 2016-04-20 | 索尔思光电（成都）有限公司 | Integrated lens with multiple optical structures and/or surfaces, optical module and transceiver thereof, and methods of manufacture and use |
| CN105759372A (en) * | 2016-04-27 | 2016-07-13 | 武汉电信器件有限公司 | Optic lens assembly and method thereof |
-
2019
- 2019-04-22 CN CN201910325639.XA patent/CN110058361A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2007121973A (en) * | 2005-10-31 | 2007-05-17 | Fujikura Ltd | Optical connector |
| CN103852830A (en) * | 2012-11-29 | 2014-06-11 | 鸿富锦精密工业（深圳）有限公司 | Photoelectric conversion module |
| CN103852831A (en) * | 2012-11-30 | 2014-06-11 | 鸿富锦精密工业（深圳）有限公司 | Lens unit and optical fiber coupling connector |
| CN203941321U (en) * | 2014-07-02 | 2014-11-12 | 苏州旭创科技有限公司 | Optical module |
| CN105518506A (en) * | 2015-02-12 | 2016-04-20 | 索尔思光电（成都）有限公司 | Integrated lens with multiple optical structures and/or surfaces, optical module and transceiver thereof, and methods of manufacture and use |
| CN105759372A (en) * | 2016-04-27 | 2016-07-13 | 武汉电信器件有限公司 | Optic lens assembly and method thereof |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111458815A (en) * | 2020-05-22 | 2020-07-28 | 青岛海信宽带多媒体技术有限公司 | Optical module |
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| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| RJ01 | Rejection of invention patent application after publication | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20190726 |