CN208013483U - A kind of two directional pump optical-fiber bundling device - Google Patents
A kind of two directional pump optical-fiber bundling device Download PDFInfo
- Publication number
- CN208013483U CN208013483U CN201820313525.4U CN201820313525U CN208013483U CN 208013483 U CN208013483 U CN 208013483U CN 201820313525 U CN201820313525 U CN 201820313525U CN 208013483 U CN208013483 U CN 208013483U
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- China
- Prior art keywords
- ferrule
- optical fibre
- optical
- bundling device
- fiber
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- 239000013307 optical fiber Substances 0.000 title claims abstract description 70
- 238000005086 pumping Methods 0.000 claims abstract description 12
- 238000003466 welding Methods 0.000 claims abstract description 6
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical group O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 claims description 3
- 238000005253 cladding Methods 0.000 abstract description 5
- 239000000835 fiber Substances 0.000 abstract description 3
- 239000000446 fuel Substances 0.000 abstract description 3
- 238000005516 engineering process Methods 0.000 description 2
- 238000004891 communication Methods 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 239000003814 drug Substances 0.000 description 1
- 238000003780 insertion Methods 0.000 description 1
- 230000037431 insertion Effects 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000012545 processing Methods 0.000 description 1
- 230000009466 transformation Effects 0.000 description 1
Landscapes
- Optical Couplings Of Light Guides (AREA)
Abstract
The utility model discloses a kind of two directional pump optical-fiber bundling devices, including ferrule, input optical fibre and output optical fibre, in the input optical fibre jacketed fiber casing and with output optical fibre phase welding, the input optical fibre includes several pumping optical fibers and a signal optical fibre, and the input terminal of the ferrule is equipped with light leakage layer.The utility model can be such that the laser more than optical fiber inner cladding numerical aperture is leaked out from light leakage layer, to reduce the fuel factor of bundling device, bundling device be enable to bear higher power by the way that light leakage layer is arranged on ferrule.
Description
Technical field
The utility model is related to a kind of two directional pump optical-fiber bundling devices, belong to optical-fiber bundling device field.
Background technology
With the development of laser technology, full-optical-fiber laser is because it is with good beam quality, efficient, compact-sized and scattered
The advantages that hot good, is widely used in the fields such as optic communication, laser processing, laser medicine, military affairs.Optical-fiber bundling device is full light
Important component in fibre laser.However two directional pump optical-fiber bundling device is compared and is not only wanted with unidirectional pump optical fiber combiner
It filters out caused by due to the factors such as the insertion loss of bundling device itself and welding error more than optical fiber inner cladding numerical aperture
Signal laser will also filter out reversed remnant pump light.
Invention content
The purpose of this utility model is to provide it is a kind of can not only filter out more than optical fiber inner cladding numerical aperture signal swash
Light can also filter out the two directional pump optical-fiber bundling device of reversed remnant pump light.
The purpose of this utility model is achieved through the following technical solutions：
A kind of two directional pump optical-fiber bundling device, including ferrule, input optical fibre and output optical fibre, the input optical fibre set
Fill ferrule in and with output optical fibre phase welding, the input optical fibre includes several pumping optical fibers and a signal optical fibre, institute
The input terminal for stating ferrule is equipped with light leakage layer.
Further, the light leakage layer refers to the rough surface processed on ferrule input terminal.
Further, the signal optical fibre is located on the central axes of ferrule, and several pumping optical fibers are close to ferrule
Inner wall is simultaneously uniformly distributed.
Further, the ferrule is quartz glass tube.
Compared with prior art, the utility model can not only make to be more than optical fiber by the way that light leakage layer is arranged on ferrule
The laser of inner cladding numerical aperture is leaked out from light leakage layer, and reversed remnant pump light can also leaked out from light leakage layer, is closed to reduce
The fuel factor of beam device, enables bundling device to bear higher power.
Description of the drawings
Fig. 1 is the input end structure schematic diagram of the utility model.
Fig. 2 is the line A-A sectional view along Fig. 1.
It is marked in figure：1, ferrule；2, input optical fibre；21, signal optical fibre；22, pumping optical fiber；3, output optical fibre；4,
Light leakage layer.
Specific implementation mode
As shown in Figure 1 and Figure 2, two directional pump optical-fiber bundling device provided in this embodiment includes ferrule 1, input optical fibre 2
With output optical fibre 3, input optical fibre 2 be sleeved in ferrule 1 and with 3 phase welding of output optical fibre, ferrule 1 is quartz glass
Pipe, input optical fibre 2 include 1 signal optical fibre 21 and several pumping optical fibers 22, and signal optical fibre 21 is located at the central axes of ferrule 1
On, several pumping optical fibers 22 are close to 1 inner wall of ferrule and are uniformly distributed；The input terminal of the ferrule 1 is machined with one end
Rough surface, i.e. light leakage layer 4.The laser that the light leakage layer 4 can will be greater than optical fiber inner cladding numerical aperture leaks out, to reduce conjunction beam
The fuel factor of device, enables bundling device to bear higher power.
The utility model through the following steps that manufacture：
(1) ferrule 1 and several pumping optical fibers 22 are subjected to prestretching cone respectively, to meet 1 internal diameter of ferrule and pump
22 identical cone section length of Pu optical fiber, 22 areas prestretching Zhui Zhui slope of the pumping optical fiber are 1 internal diameter of ferrule cone area's slopes
Twice；
(2) pumping optical fiber 22 and 1 signal optical fibre 21 bored several prestretchings are inserted into the ferrule 1 of prestretching cone, letter
Number optical fiber 21 is located on the central axes of ferrule 1, and several pumping optical fibers 22 are close to 1 inner wall of ferrule and are uniformly distributed；
(3) ferrule 1 prepared by step (2) is subjected to drawing cone, forms the areas He Shu；
(4) by close beam after input optical fibre 2 and 3 phase welding of output optical fibre；
(5) cone region (input terminal) texturing is not drawn by one section of ferrule 1, form one section of rough surface, i.e. light leakage layer 4；
(6) fiber optic bundle that step (5) makes is packaged to get to the two directional pump optical-fiber bundling device.
The above is only the utility model preferred embodiment, but the scope of protection of the utility model is not limited to
This, any transformation carried out based on technical solution provided by the utility model and utility model design and replacement should all be covered
In the scope of protection of the utility model.
Claims (4)
1. a kind of two directional pump optical-fiber bundling device, including ferrule, input optical fibre and output optical fibre, the input optical fibre suit
In ferrule and with output optical fibre phase welding, the input optical fibre includes several pumping optical fibers and a signal optical fibre, special
Sign is：The input terminal of the ferrule is equipped with light leakage layer.
2. two directional pump optical-fiber bundling device according to claim 1, it is characterised in that：The light leakage layer refers to ferrule
The rough surface processed on input terminal.
3. two directional pump optical-fiber bundling device according to claim 1, it is characterised in that：The signal optical fibre is located at optical fiber set
On the central axes of pipe, several pumping optical fibers are close to ferrule inner wall and are uniformly distributed.
4. two directional pump optical-fiber bundling device according to claim 1, it is characterised in that：The ferrule is quartz glass
Pipe.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820313525.4U CN208013483U (en) | 2018-03-07 | 2018-03-07 | A kind of two directional pump optical-fiber bundling device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820313525.4U CN208013483U (en) | 2018-03-07 | 2018-03-07 | A kind of two directional pump optical-fiber bundling device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208013483U true CN208013483U (en) | 2018-10-26 |
Family
ID=63888191
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201820313525.4U Active CN208013483U (en) | 2018-03-07 | 2018-03-07 | A kind of two directional pump optical-fiber bundling device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208013483U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114690322A (en) * | 2022-04-06 | 2022-07-01 | 中红外激光研究院(江苏)有限公司 | Fiber combiner with different melting points of signal fiber and pump fiber and preparation method thereof |
-
2018
- 2018-03-07 CN CN201820313525.4U patent/CN208013483U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114690322A (en) * | 2022-04-06 | 2022-07-01 | 中红外激光研究院(江苏)有限公司 | Fiber combiner with different melting points of signal fiber and pump fiber and preparation method thereof |
| CN114690322B (en) * | 2022-04-06 | 2023-04-25 | 中红外激光研究院(江苏)有限公司 | Optical fiber beam combiner with different melting points of signal optical fiber and pump optical fiber and preparation method thereof |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CP01 | Change in the name or title of a patent holder |
Address after: 610000 Area A and B on the 3rd floor of Building No. 1, 200 Tianfu Fifth Street, Chengdu High-tech Zone, Sichuan Province Patentee after: Sichuan Sichuang Laser Technology Co.,Ltd. Address before: 610000 Area A and B on the 3rd floor of Building No. 1, 200 Tianfu Fifth Street, Chengdu High-tech Zone, Sichuan Province Patentee before: SICHUAN STRONG & BEST LIGHT TECHNOLOGY CO.,LTD. |
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| CP01 | Change in the name or title of a patent holder |