CN207396797U - A kind of optical fiber connector - Google Patents
A kind of optical fiber connector Download PDFInfo
- Publication number
- CN207396797U CN207396797U CN201721555694.0U CN201721555694U CN207396797U CN 207396797 U CN207396797 U CN 207396797U CN 201721555694 U CN201721555694 U CN 201721555694U CN 207396797 U CN207396797 U CN 207396797U
- Authority
- CN
- China
- Prior art keywords
- optical fiber
- face
- lock pin
- fiber connector
- connector
- 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.)
- Active
Links
- 239000013307 optical fiber Substances 0.000 title claims abstract description 102
- 230000003287 optical effect Effects 0.000 claims abstract description 6
- 239000000835 fiber Substances 0.000 description 11
- 238000003032 molecular docking Methods 0.000 description 6
- 238000003780 insertion Methods 0.000 description 3
- 230000037431 insertion Effects 0.000 description 3
- 239000002245 particle Substances 0.000 description 2
- 230000006978 adaptation Effects 0.000 description 1
- 230000003321 amplification Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 229910000420 cerium oxide Inorganic materials 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 239000007888 film coating Substances 0.000 description 1
- 238000009501 film coating Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000003199 nucleic acid amplification method Methods 0.000 description 1
- BMMGVYCKOGBVEV-UHFFFAOYSA-N oxo(oxoceriooxy)cerium Chemical compound [Ce]=O.O=[Ce]=O BMMGVYCKOGBVEV-UHFFFAOYSA-N 0.000 description 1
- 238000007747 plating Methods 0.000 description 1
- 230000000644 propagated effect Effects 0.000 description 1
- HBMJWWWQQXIZIP-UHFFFAOYSA-N silicon carbide Chemical compound [Si+]#[C-] HBMJWWWQQXIZIP-UHFFFAOYSA-N 0.000 description 1
- 229910010271 silicon carbide Inorganic materials 0.000 description 1
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
- G02B6/36—Mechanical coupling means
- G02B6/38—Mechanical coupling means having fibre to fibre mating means
Landscapes
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Optics & Photonics (AREA)
- Mechanical Coupling Of Light Guides (AREA)
Abstract
The utility model discloses a kind of optical fiber connector, including：At least one first optical fiber；At least one second optical fiber carries out optical coupled with first optical fiber；First lock pin is protruded above with first end face and fixed first optical fiber, first optical fiber in the first end face；With the second lock pin, there is second end face that is opposite with the first end face and being in close contact, and second lock pin fixes second optical fiber, and the end face of second optical fiber inwardly concaves 2800nm~3800nm compared with the second end face.The recessed design of the optical fiber of the optical fiber connector enables contact type optical fiber connector component to be adapted to Non-contact optical fiber connector component to be connected.
Description
Technical field
The utility model is related to a kind of optical fiber connectors.
Background technology
Traditional contact type optical fiber connector, the optical fiber of docking protrude from the end face of respective lock pin.It is advised according to IEC standard
Fixed, the scope of optical fiber protrusion is in 1000nm~3000nm.Traditional contactless optical fiber connector, such as patent document
Contactless optical fiber connector disclosed in CN104220912A, 0.1 micron to 2.8 microns in the recessed insertion core end face of fiber end face.
Will be when contact type optical fiber connector component be docked with Non-contact optical fiber connector component, contact type optical fiber connector portion
The optical fiber bulge size of part is not adapted to the recessed size of the optical fiber of Non-contact optical fiber connector component, is especially easily destroyed non-
The film plating layer of contact type optical fiber connector, is damaged so as to cause connector.Therefore, traditional contact type optical fiber connector component with
Non-contact optical fiber connector component can not be adapted to interconnection, and convenient using underaction, there are larger limitations on.
Utility model content
The main purpose of the utility model is that overcoming the deficiencies of the prior art and provide a kind of optical fiber connector, make contact
Formula optical fiber connector members can be adapted to Non-contact optical fiber connector component and be connected.
To achieve the above object, the utility model uses following technical scheme：
A kind of optical fiber connector, including：At least one first optical fiber；At least one second optical fiber, with first optical fiber into
Row is optical coupled；First lock pin, with first end face and fixed first optical fiber, first optical fiber is in the first end
Face protrudes above；With the second lock pin, there is second end face that is opposite with the first end face and being in close contact, and described second
Lock pin fixes second optical fiber, the end face of second optical fiber compared with the second end face inwardly concave 2800nm~
3800nm。
Further：
The end face of second optical fiber inwardly concaves 3000nm~3800nm compared with the second end face.
Antireflection anti-reflection film is provided on the end face of first optical fiber and second optical fiber.
Counnter attack is also equipped in the first end face of first lock pin and the second end face of second lock pin
Penetrate anti-reflection film.
Guide pin is provided on the end face of second lock pin, is provided with to be inserted on the end face of first lock pin described
The guide pinhole of guide pin.
Guide pin is provided on the end face of first lock pin, is provided with to be inserted on the end face of second lock pin described
The guide pinhole of guide pin.
Including multiple first optical fiber and second optical fiber.
The end face of first optical fiber and second optical fiber does not contact.
The beneficial effects of the utility model have：
Optical fiber connector provided by the utility model, the end face of the second optical fiber are inside compared with the second end face of the second lock pin
Recessed 2800nm~3800nm, can at least in most cases make contact type optical fiber connector component (the first lock pin) with it is non-
Contact type optical fiber connector component (the second lock pin) adaptation connection, it is particularly possible to avoid destroying fiber end face in fiber alignment
Antireflection anti-reflection film.
Description of the drawings
Fig. 1 is a kind of structure diagram of embodiment of the utility model optical fiber connector；
Fig. 2 a and Fig. 2 b are respectively the signal of the lock pin docking operation in a kind of embodiment of the utility model optical fiber connector
Scheme (optical signal in Fig. 2 a and Fig. 2 b is propagated in opposite direction)；
Fig. 3 a and Fig. 3 b are respectively the fiber end face and docking five before the optical fiber connector docking of the utility model embodiment
The electron microscope of fiber end face after ten times.
Specific embodiment
It elaborates below to the embodiment of the utility model.It is emphasized that the description below is only example
Property rather than in order to limit the scope of the utility model and its application.
Refering to Fig. 1, Fig. 2 a and Fig. 2 b, in one embodiment, a kind of optical fiber connector, including：At least one first optical fiber
1；At least one second optical fiber 4 carries out optical coupled with first optical fiber 1；First lock pin 2, with first end face and admittedly
Fixed first optical fiber 1, first optical fiber 1 are protruded above in the first end face, have protruding end 5；With the second lock pin 3,
With second end face that is opposite with the first end face and being in close contact, and second lock pin 3 fixes second optical fiber
4, the end face of second optical fiber 4 inwardly concaves 2800nm~3800nm compared with the second end face.
In a preferred embodiment, the end face of second optical fiber 4 compared with the second end face inwardly concave 3000nm~
3800nm。
In a preferred embodiment, to be provided with antireflection on the end face of first optical fiber 1 and second optical fiber 4 anti-reflection
Film.
In a more preferred embodiment, described the of the first end face of first lock pin 2 and second lock pin 3
Antireflection anti-reflection film is also equipped on biend.
Refering to Fig. 1, Fig. 2 a and Fig. 2 b, in an advantageous embodiment, guide pin is provided on the end face of second lock pin 3
6, it is provided with to be inserted into the guide pinhole 7 of the guide pin 6 on the end face of first lock pin 2.
In another preferred embodiment, guide pin is provided on the end face of first lock pin 2, second lock pin 3
It is provided with to be inserted into the guide pinhole of the guide pin on end face.
In one embodiment, the optical fiber connector includes multiple first optical fiber 1 and second optical fiber 4, this
When this optical fiber connector be multi-fiber connector.
In some embodiments, the end face of first optical fiber 1 and second optical fiber 4 does not contact, this optical fiber connects at this time
Device is connect as contactless optical fiber connector.
In addition, the end face of first optical fiber 1 and second optical fiber 4 can also just be contacted, this optical fiber connects at this time
Device is connect as contact type optical fiber connector.
Manufacture craft
For the connector part of the recessed lock pin of optical fiber, following steps making can be used：
1. first using 16 μm, 9 μm, 3 μm of silicon-carbide particle grinding insertion core end faces and fiber end face.
2. reuse 0.5 μm of cerium oxide particles carries out end surface grinding to optical fiber.
3. after the completion of grinding, antireflection anti-reflection film coating film treatment is carried out to lock pin, fiber end face.
Test result
1. optical property：
1.1 insertion loss IL：
Maximum (dB) 0.25dB
Average (dB) 0.12dB；
1.2. return loss RL:
Maximum (dB) 80.5dB
Average (dB) 74.7dB；
2. mechanical performance：
It is continuous to plug 50 times, the fiber end face amplification collisionless trace in 400X end faces.
Fiber end face and docking before the optical fiber connector docking of the utility model embodiment is shown respectively in Fig. 3 a and Fig. 3 b
The electron microscope of fiber end face after 50 times.
The above content is specific/preferred embodiment further detailed description of the utility model is combined, no
It can assert that the specific implementation of the utility model is confined to these explanations.For the common skill of the utility model technical field
For art personnel, without departing from the concept of the premise utility, the embodiment that these have been described can also be made
Some replacements or modification, and these are substituted or variant should all be considered as belonging to the scope of protection of the utility model.
Claims (8)
1. a kind of optical fiber connector, which is characterized in that including：At least one first optical fiber；At least one second optical fiber, with institute
It is optical coupled to state the progress of the first optical fiber；First lock pin, with first end face and fixed first optical fiber, first optical fiber
It is protruded above in the first end face；With the second lock pin, there is second end face that is opposite with the first end face and being in close contact,
And second lock pin fixes second optical fiber, and the end face of second optical fiber is inwardly concaved compared with the second end face
2800nm~3800nm.
2. optical fiber connector as described in claim 1, which is characterized in that the end face of second optical fiber is compared with described second
End face inwardly concaves 3000nm~3800nm.
3. optical fiber connector as claimed in claim 1 or 2, which is characterized in that first optical fiber and second optical fiber
Antireflection anti-reflection film is provided on end face.
4. optical fiber connector as claimed in claim 3, which is characterized in that the first end face of first lock pin and described
Antireflection anti-reflection film is also equipped in the second end face of second lock pin.
5. optical fiber connector as claimed in claim 1 or 2, which is characterized in that be provided with and lead on the end face of second lock pin
Pin is provided with to be inserted into the guide pinhole of the guide pin on the end face of first lock pin.
6. optical fiber connector as claimed in claim 1 or 2, which is characterized in that be provided with and lead on the end face of first lock pin
Pin is provided with to be inserted into the guide pinhole of the guide pin on the end face of second lock pin.
7. optical fiber connector as claimed in claim 1 or 2, which is characterized in that including multiple first optical fiber and described
Two optical fiber.
8. optical fiber connector as claimed in claim 1 or 2, which is characterized in that first optical fiber and second optical fiber
End face does not contact.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721555694.0U CN207396797U (en) | 2017-11-20 | 2017-11-20 | A kind of optical fiber connector |
| PCT/CN2018/092258 WO2019095690A1 (en) | 2017-11-20 | 2018-06-21 | Optical fiber connector |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721555694.0U CN207396797U (en) | 2017-11-20 | 2017-11-20 | A kind of optical fiber connector |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207396797U true CN207396797U (en) | 2018-05-22 |
Family
ID=62323941
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721555694.0U Active CN207396797U (en) | 2017-11-20 | 2017-11-20 | A kind of optical fiber connector |
Country Status (2)
| Country | Link |
|---|---|
| CN (1) | CN207396797U (en) |
| WO (1) | WO2019095690A1 (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2019095690A1 (en) * | 2017-11-20 | 2019-05-23 | 深圳太辰光通信股份有限公司 | Optical fiber connector |
Family Cites Families (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US8905648B2 (en) * | 2011-06-29 | 2014-12-09 | Cinch Connectivity Solutions, Inc. | Expanded beam fiber optic connector |
| JP2013037121A (en) * | 2011-08-05 | 2013-02-21 | Ntn Corp | Optical connector member |
| CN107561650B (en) * | 2011-12-22 | 2021-07-23 | 艾瑞得光导纤维公司 | Non-contact multi-fiber optical fiber connector |
| SE542973C2 (en) * | 2015-10-26 | 2020-09-22 | Sumitomo Electric Industries | Optical connector and optical coupling structure |
| CN205656353U (en) * | 2016-05-10 | 2016-10-19 | 潮州三环（集团）股份有限公司 | Optical fiber connector |
| CN207396797U (en) * | 2017-11-20 | 2018-05-22 | 深圳太辰光通信股份有限公司 | A kind of optical fiber connector |
-
2017
- 2017-11-20 CN CN201721555694.0U patent/CN207396797U/en active Active
-
2018
- 2018-06-21 WO PCT/CN2018/092258 patent/WO2019095690A1/en active Application Filing
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2019095690A1 (en) * | 2017-11-20 | 2019-05-23 | 深圳太辰光通信股份有限公司 | Optical fiber connector |
Also Published As
| Publication number | Publication date |
|---|---|
| WO2019095690A1 (en) | 2019-05-23 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CB03 | Change of inventor or designer information | ||
| CB03 | Change of inventor or designer information |
Inventor after: Li Xudong Inventor after: Yang Zhimin Inventor after: Long Chen Inventor after: Hou Dan Inventor after: Xiao Xiangjie Inventor before: Li Xudong Inventor before: Yang Zhimin Inventor before: Long Chen Inventor before: Hou Dan Inventor before: Xiao Xiangjie |
|
| TR01 | Transfer of patent right | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20190225 Address after: 518000 Bantian HUAWEI headquarters office building, Longgang District, Guangdong, Shenzhen Co-patentee after: Shenzhen Taichenguang Communication Co.,Ltd. Patentee after: Huawei Technologies Co., Ltd. Address before: 518040 Chegongmiao Tairan Science Park, Futian District, Shenzhen City, Guangdong Province, 2016 Floors Patentee before: Shenzhen Taichenguang Communication Co.,Ltd. |
|
| CB03 | Change of inventor or designer information | ||
| CB03 | Change of inventor or designer information |
Inventor after: Guo Dan Inventor after: Li Xudong Inventor after: Yang Zhimin Inventor after: Long Chen Inventor after: Hou Dan Inventor after: Xiao Xiangjie Inventor before: Li Xudong Inventor before: Yang Zhimin Inventor before: Long Chen Inventor before: Hou Dan Inventor before: Xiao Xiangjie |