CN203025379U - Dual-core optical fiber branching device - Google Patents
Dual-core optical fiber branching device Download PDFInfo
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- CN203025379U CN203025379U CN 201220306866 CN201220306866U CN203025379U CN 203025379 U CN203025379 U CN 203025379U CN 201220306866 CN201220306866 CN 201220306866 CN 201220306866 U CN201220306866 U CN 201220306866U CN 203025379 U CN203025379 U CN 203025379U
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- twin
- core fiber
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Abstract
The utility model provides a dual-core optical fiber branching device. The device is mainly characterized in that the device is composed of a dual-core optical fiber1, two standard single-mode optical fibers 2 whose side surfaces are polished, a quartz capillary 3, splicing regions 4 which are aligned with each other and welded, a quartz groove 5 and a packaging housing 6. The manufacturing method of the device is that: in the dual-core optical fiber branching device, side surfaces of the two standard single-mode optical fibers are polished and then spliced, the outsides of the two standard single-mode optical fibers are sleeved with the quartz capillary, and the spliced portions of the two standard single-mode optical fibers are melted into a small section of dual-core optical fiber after being subjected to melting, shrinking and adjustment through heating, wherein the distance between the two cores is the same as the distance between the two cores of the dual-core optical fiber needing be connected. The optical fiber which is obtained through splicing and the dual-core optical fiber 1 are aligned with each other, adjusted and welded together. Due to different diameters of two ends after welding, in order to improve the mechanical connection strength, the device is placed into the quartz groove for packing protection, so that an optical signal branching device for separating two optical signals in the dual-core optical fiber and conducting the two optical signals to the standard single-core optical fibers respectively is fabricated. The dual-core optical fiber branching device has the advantage of simple structure, and can be used to achieve the purpose that users can separate two optical signals in the dual-core optical fiber conveniently.
Description
(1) technical field
The utility model relates to a kind of twin-core fiber shunt, is used for the two ways of optical signals of twin-core fiber is separated and is transmitted to respectively in two standard single-mode fibers.Belong to the optical fiber technology field.
(2) background technology
Typical optical fiber is single cored structure, consists of an optical waveguide by surrounding layer around fibre core.And multi-core fiber is to contain many fibre cores at same surrounding layer.Therefore, each core is equivalent to a light (fibre) waveguide, i.e. integrated many single-core fibers in multi-core fiber.Twin-core fiber is a kind of in multi-core fiber.
Early stage in optical communication, in order to improve optical communication transmission channel density, the concept that proposes multi-core fiber in 1978, purpose are manufacturing cost and this two hang-ups of the highly dense intensity high fiber count cable of exploitation that reduces optical fiber cable in order to solve simultaneously.The multi-core fiber technology runs into main problems and difficulties in the optical communication actual application be that multi-core fiber interconnects and continues very difficult.Yet the multi-core fiber technology but all shows its outstanding glamour in space division multiplexing technical field and the sensing measurement technical field of optical communication.For example: optical fiber filter, photoswitch, light wavelength division multiplexing, optical add/drop multiplexer; Utilize multi-core fiber to carry out the energy pumping, can make more powerful fiber laser, rare earth element is mixed in multi-core fiber, can improve the gain balance characteristic of fiber amplifier; Utilize multi-core fiber to consist of fibre optic interferometer, can also measure different kinds of parameters such as strain and bendings.
In order to overcome twin-core fiber connection difficulty in use, the purpose of this utility model is exactly to be connected difficult point for twin-core fiber with standard single-mode fiber, and a kind of twin-core fiber shunt is provided.
(3) summary of the invention
The purpose of this utility model is to provide a kind of can separate the two ways of optical signals in twin-core fiber and be transmitted to respectively two devices in standard single-mode fiber.
The purpose of this utility model is achieved in that
Amalgamation is carried out through after rubbing down in two standard single-mode fiber sides, the overcoat quartz capillary, after the adjustment of melting pulling-down is carried out in heating, two standard single-mode fiber amalgamation partial fusion become a bit of twin-core fiber, and the spacing between two fibre cores is identical with two fiber core distances of the twin-core fiber that needs to connect.Adjust and weld so amalgamation gained optical fiber is aimed at twin-core fiber 1.Due to the diameter difference at the rear two ends of welding, in order to improve mechanical connection intensity, be placed on and implement in quartz cell to solidify protection, thereby be made into the light signal shunt device of the two ways of optical signals in twin-core fiber being separated and is transmitted to respectively the standard single-core fiber.This twin-core fiber shunt is simple in structure, facilitates the user to reach the purpose that the two ways of optical signals in twin-core fiber is separated.
The utility model discloses a kind of device and structure thereof of two ways of optical signals in twin-core fiber being separated and is transmitted to respectively two standard single-mode fibers.Its technical characteristics is, this device by twin-core fiber 1, side through two standard single-mode fibers 2 of rubbing down, quartz capillary 3, mutually aim at and welding area 4, quartz cell 5 and the encapsulating housing 6 implementing to weld form.
Twin-core fiber shunt described in the utility model also has some following technical characterictics:
(1) wherein amalgamation is carried out through after rubbing down in two standard single-mode fiber sides, the overcoat quartz capillary, after the melting adjustment was carried out in heating, the spacing between two fibre cores of a bit of twin-core fiber of two optical fiber fusions was identical with two fiber core distances of the twin-core fiber that needs to connect;
(2) twin-core fiber and two standard single-mode fiber sides throw the amalgamation part on time, be mainly that four fibre cores are aimed in twos simultaneously, then weld;
(3) because the diameter at two ends after welding is different, in order to improve mechanical connection intensity, be placed on and implement packaging protection in quartz cell;
(4) sturdy and durable when making this device use, implement twin-core fiber shunt after packaging protection through quartz cell and also will add stainless steel tubulose encapsulating housing and carry out outer enclosure.
(4) description of drawings
Fig. 1 is the structural representation of twin-core fiber shunt; Wherein 1 is twin-core fiber, the 2nd, the fusion weld place between a bit of twin-core fiber after twin-core fiber and two standard single-mode fiber amalgamations, 3 is a bit of twin-core fibers after two standard single-mode fiber amalgamations, the 4th, through two standard single-mode fibers after the rubbing down of side, the 5th, quartz cell, the 6th, stainless-steel tube encapsulating housing.
Fig. 2 is the schematic diagram that two standard single-mode fibers carry out amalgamation after through the side rubbing down, and wherein the rubbing down degree of depth of two standard single-mode fibers depends on the spacing between two fibre cores of twin-core fiber.Wherein 1 is twin-core fiber, the 4th, and through carrying out two standard single-mode fibers of amalgamation after the rubbing down of side.
Fig. 3 is that two standard single-mode fibers adopt one section schematic diagram that quartzy capillary sleeve pipe carries out amalgamation after through the side rubbing down, and wherein 4 is through carrying out two standard single-mode fibers of amalgamation after the rubbing down of side, and 7 is one section quartzy capillary sleeve pipe.
Fig. 4 is that two standard single-mode fibers adopt after through the side rubbing down one section quartzy capillary sleeve pipe to carry out forming after the melting heating schematic diagram of a bit of twin-core fiber, wherein 3 to be the thin sleeve pipes of this a bit of quartz wool shorten a bit of twin-core fiber that is integrated into melting through two standard single-mode fibers after the rubbing down of side, and the 4th, through carrying out two standard single-mode fibers of amalgamation after the rubbing down of side.
Fig. 5 inserts the structural representation that quartz cell is protected curing after a bit of twin-core fiber after twin-core fiber and two standard single-mode fiber amalgamations is aimed at welding.Wherein 1 is twin-core fiber, the 2nd, the fusion weld place between a bit of twin-core fiber after twin-core fiber and two standard single-mode fiber amalgamations, 3 is a bit of twin-core fibers after two standard single-mode fiber amalgamations, the 4th, and through two standard single-mode fibers after the rubbing down of side, the 5th, quartz cell.
(5) embodiment
Below in conjunction with accompanying drawing, the utility model is described in more detail, in conjunction with Fig. 2-Fig. 5, embodiment of the present utility model is:
Step (one): at first two standard single-mode fibers 4 are carried out the side rubbing down, the rubbing down degree of depth depends on the distance between two fibre cores of twin-core fiber 1, as shown in Figure 2.
Step (two): one section quartz capillary 7 is enclosed within through after rubbing down and on amalgamation two standard single-mode fibers 4 together, as shown in Figure 3.
Step (three): the amalgamation optical fiber of this a bit of cover hairiness fine quartz pipe is heated melt contracting, thereby make two amalgamation optical fiber and quartz capillary become one.To melt this a bit of twin-core fiber of contracting all-in-one-piece cut standby, as shown in Figure 4.
Step (four): this segment twin-core fiber that is condensed to one that melts that twin-core fiber 1 and step 3 are completed is aimed at, welded, and it is inserted in quartz cell, be cured with the ultraviolet sensitivity glue that is mixed with silica flour, as shown in Figure 5.
Step (five): last; adopt one section stainless steel sleeve pipe; twin-core fiber splitter assemblies through ultraviolet light polymerization shown in Figure 5 is inserted into carries out overall package in the stainless steel protection sleeve pipe, as shown in Figure 1, just completed the making of twin-core fiber shunt of the present utility model.
Claims (5)
1. twin-core fiber shunt, this device is by twin-core fiber (1), the side is through two standard single-mode fibers (2) of rubbing down, quartz capillary (3), mutually aim at and implement the welding area (4) of welding, quartz cell (5) and encapsulating housing (6) form, its technical characteristics is, amalgamation is carried out through after rubbing down in two standard single-mode fiber sides, the overcoat quartz capillary, after the adjustment of melting pulling-down is carried out in heating, two standard single-mode fiber amalgamation partial fusion become a bit of twin-core fiber, amalgamation gained optical fiber is aimed at twin-core fiber (1) adjusted and weld.
2. a kind of twin-core fiber shunt according to claim 1 is characterized in that: the spacing between two fibre cores of a bit of twin-core fiber that two optical fiber merges is identical with two fiber core distances of the twin-core fiber of needs connection.
3. a kind of twin-core fiber shunt according to claim 1 is characterized in that: twin-core fiber and two standard single-mode fiber sides throw the amalgamation part on time, be mainly that four fibre cores are aimed in twos simultaneously, then weld.
4. a kind of twin-core fiber shunt according to claim 1, is characterized in that: because the diameter at two ends after welding is different, in order to improve mechanical connection intensity, be placed on and implement to solidify protection in quartz cell.
5. a kind of twin-core fiber shunt according to claim 4 is characterized in that: sturdy and durable when making this device use, and implement to solidify twin-core fiber shunt after protection through quartz cell and also will add stainless steel tubulose encapsulating housing and carry out outer enclosure.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220306866 CN203025379U (en) | 2012-06-28 | 2012-06-28 | Dual-core optical fiber branching device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220306866 CN203025379U (en) | 2012-06-28 | 2012-06-28 | Dual-core optical fiber branching device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203025379U true CN203025379U (en) | 2013-06-26 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201220306866 Expired - Fee Related CN203025379U (en) | 2012-06-28 | 2012-06-28 | Dual-core optical fiber branching device |
Country Status (1)
| Country | Link |
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| CN (1) | CN203025379U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104297866A (en) * | 2014-10-17 | 2015-01-21 | 长飞光纤光缆股份有限公司 | Spatial multiplexing/demultiplexing device suitable for multi-core fiber and manufacturing method thereof |
| CN108152889A (en) * | 2018-03-19 | 2018-06-12 | 江苏斯德雷特通光光纤有限公司 | It is a kind of to be used to make the device and method that high-precision low loss fiber Y divides device |
| CN114200592A (en) * | 2021-12-01 | 2022-03-18 | 广州奥鑫通讯设备有限公司 | Connecting device of integrated diaphragm type coupler and manufacturing method thereof |
-
2012
- 2012-06-28 CN CN 201220306866 patent/CN203025379U/en not_active Expired - Fee Related
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104297866A (en) * | 2014-10-17 | 2015-01-21 | 长飞光纤光缆股份有限公司 | Spatial multiplexing/demultiplexing device suitable for multi-core fiber and manufacturing method thereof |
| CN104297866B (en) * | 2014-10-17 | 2016-03-02 | 长飞光纤光缆股份有限公司 | A kind of spatial reuse/demodulation multiplexer being applicable to multi-core fiber and preparation method thereof |
| CN108152889A (en) * | 2018-03-19 | 2018-06-12 | 江苏斯德雷特通光光纤有限公司 | It is a kind of to be used to make the device and method that high-precision low loss fiber Y divides device |
| CN108152889B (en) * | 2018-03-19 | 2023-07-14 | 江苏斯德雷特光纤科技有限公司 | Device and method for manufacturing high-precision low-loss optical fiber Y-splitter |
| CN114200592A (en) * | 2021-12-01 | 2022-03-18 | 广州奥鑫通讯设备有限公司 | Connecting device of integrated diaphragm type coupler and manufacturing method thereof |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| DD01 | Delivery of document by public notice |
Addressee: Wuxi Wanrun Photonic Technologies Co., Ltd. Document name: Notification of Termination of Patent Right |
|
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20130626 Termination date: 20150628 |
|
| EXPY | Termination of patent right or utility model |