CN205594194U - Asymmetric fiber coupler - Google Patents
Asymmetric fiber coupler Download PDFInfo
- Publication number
- CN205594194U CN205594194U CN201620307246.8U CN201620307246U CN205594194U CN 205594194 U CN205594194 U CN 205594194U CN 201620307246 U CN201620307246 U CN 201620307246U CN 205594194 U CN205594194 U CN 205594194U
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- CN
- China
- Prior art keywords
- fiber coupler
- optical fiber
- asymmetric
- quartz ampoule
- light
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Abstract
The utility model discloses an asymmetric fiber coupler belongs to fiber communication technical field. Include into light end and light -emitting end, the terminal surface that advances the invalid optic fibre of light end is the inclined plane, asymmetric fiber coupler includes optic fibre, quartz capsule and covering subassembly, optic fibre is fixed the inside of quartz capsule, just the both ends of optic fibre are extended the salient respectively and are in the outside at quartz capsule both ends, the covering subassembly cup joints the outside of quartz capsule, asymmetric fiber coupler follows quartz capsule axial direction's both ends are respectively for advancing light end and light -emitting end. Compared with the prior art, the utility model, its beneficial effect lies in through inciting somebody to action the terminal surface that advances the invalid optic fibre of light end sets up to the inclined plane, and manufacturing process need not to have reduced the operating procedure and the operation degree of difficulty with the help of complicated equipment and the instrument of other operations by a wide margin, and simple manufacture has practiced thrift preparation time and manufacturing cost to production efficiency has been improved.
Description
Technical field
This utility model relates to technical field of optical fiber communication, a kind of asymmetric fiber coupler.
Background technology
Fiber coupler is a kind of fiber optic passive device for transmitting and distribute optical signal, is in fibre system
Use one of most optical passive component, occupy very important ground in fiber optic communication and sensory field of optic fibre
Position.Fiber coupler, according to its branch number feature, typically has a symmetric form and asymmetric: symmetric form: i.e. enter
The fiber coupler that light end is identical with going out light end number of fibers.Asymmetric: i.e. that light inlet number of fibers is less than
Go out the fiber coupler of light end number of fibers.Asymmetric fiber coupler is at symmetric form fiber coupler
On the basis of remove the optical fiber of unwanted light inlet, it is therefore desirable to the end face of the invalid optical fiber after excision is carried out
Processing, the luminous reflectance produced to eliminate fiber end face has influence on fibre system.
As depicted in figs. 1 and 2, the invalid optical fiber of the light inlet 10a of current asymmetric fiber coupler
The end face 102 of 101 is spherical, and the end face 102 of this spherical structure mainly makes optical fiber not by high-temperature heating
End fusing forms spheroid and is made, and makes optical signal not have direct reflection and returns in optical fiber coupling device
And affect fibre system, due to needs high-temperature heating, the most easily have influence on other of light inlet
Effective fiber, product quality is difficult to ensure, and operating procedure is complicated, and manufacture difficulty is high, and production efficiency is low.
Utility model content
This utility model is in order to overcome the deficiencies in the prior art, it is provided that a kind of make simple, production cost is low
Asymmetric fiber coupler.
In order to solve above-mentioned technical problem, the basic technical scheme that the utility model proposes is:
A kind of asymmetric fiber coupler, including light inlet with go out light end, the invalid optical fiber of described light inlet
End face be inclined-plane.
Further, described asymmetric fiber coupler includes optical fiber, quartz ampoule and outer sealing assembly, institute
State optical fiber and be fixed on the inside of described quartz ampoule, and the two ends of described optical fiber each extend over and highlight at described quartz
The outside at pipe two ends, described outer sealing assembly is socketed in the outside of described quartz ampoule, described asymmetric optical fiber coupling
Clutch is along the two ends respectively light inlet of described quartz ampoule axial direction and goes out light end.
Further, described quartz ampoule is provided with a groove along the side of its axial direction, and described optical fiber is positioned at institute
State in groove, and the two ends of described optical fiber and described groove are adhesively fixed.
Further, the two ends of described quartz ampoule are provided with adhesive, and described inclined-plane is positioned at described adhesive
Portion.
Further, described outer sealing assembly is to be socketed on the external package pipe outside quartz ampoule.
Further, the angle between the central axis of described inclined-plane and described invalid optical fiber is 45～75 degree.
The beneficial effects of the utility model are:
A kind of asymmetric fiber coupler of the present utility model is by by the invalid optical fiber of described light inlet
End face is set to inclined-plane, and manufacturing process, without the equipment complicated by other operation and instrument, significantly reduces
Operating procedure and operation easier, make simple, saved Production Time and production cost, thus improve life
Produce efficiency, the reflection parameters qualification rate of fiber coupler can be greatly improved simultaneously.
Accompanying drawing explanation
Fig. 1 is the structural representation of a kind of asymmetric fiber coupler of prior art；
Fig. 2 is the enlarged drawing in B portion in Fig. 1；
The axonometric chart of a kind of asymmetric fiber coupler that Fig. 3 provides for this utility model embodiment；
The structural representation of a kind of asymmetric fiber coupler that Fig. 4 provides for this utility model embodiment；
Fig. 5 is the enlarged drawing in A portion in Fig. 4；
Fig. 6 is the structural representation on the inclined-plane of the invalid optical fiber shown in Fig. 5；
Fig. 7 is the structural representation of semi-finished product.
Detailed description of the invention
Below with reference to drawings and Examples, this utility model is described further, but should not limit with this
Make protection domain of the present utility model.
For convenience of explanation and understand the noun of locality that the technical solution of the utility model, following description are used
The orientation all shown with accompanying drawing is as the criterion.
As shown in Figure 3 and Figure 4, the asymmetric fiber coupler of one that this utility model embodiment provides,
Including light inlet 1a and go out light end 1b, the end face 121 of the invalid optical fiber 12 of described light inlet 1a is inclined-plane.
Concrete, as shown in figs. 4 and 7, described asymmetric fiber coupler includes optical fiber 1, quartz
Pipe 2 and outer sealing assembly 3, described optical fiber 1 is fixed on the inside of described quartz ampoule 2 after passing through fused biconical taper,
And the two ends of described optical fiber 1 each extend over the outside highlighted at described quartz ampoule 2 two ends, described outer sealing assembly
3 outsides being socketed in described quartz ampoule 2, described asymmetric fiber coupler is axial along described quartz ampoule 2
The two ends in direction respectively light inlet 1a and go out light end 1b.As it is shown on figure 3, in the present embodiment, this is non-right
The left end of type fiber coupler is called light inlet 1a, and right-hand member is for going out light end 1b.
Described light inlet 1a and the optical fiber going out light end 1b can carry out increasing, subtracting according to branch number.In the present embodiment,
The effective fiber 11 of described light inlet 1a has one, and invalid optical fiber 12 has one, described in go out the light of light end
Fine 13 have two.As it is shown in figure 5, the end face of the invalid optical fiber 12 of described light inlet 1a is inclined-plane 121,
Make optical signal there is certain reflection angle in optical fiber end, prevent optical signal at the end face of invalid optical fiber 12
Direct reflection backtracking is occurred to cause the reflection parameters of fiber coupler defective and affect fiber optic communication
System.As shown in Figure 6, the angle between the central axis of described inclined-plane 121 and described invalid optical fiber 12
θ is 45～75 degree.
Described quartz ampoule 2 is provided with a groove 21 along the side of its axial direction, and described optical fiber 1 is positioned at described recessed
In groove 21, and the two ends of described optical fiber 1 and described groove 21 are adhesively fixed, concrete, pass through adhesive
22 are adhesively fixed.
The two ends of described quartz ampoule 2 are provided with adhesive 23, and described inclined-plane 121 is positioned at described adhesive 23
Inside, the end face 121 at the two ends of described quartz ampoule 2 and invalid optical fiber 12 can be entered by described adhesive 23
Row protection.Described outer sealing assembly 3 is to be socketed on the external package pipe outside quartz ampoule 2.
The manufacture method of the application utility model:
Hereinafter above-described embodiment is described.
First, described tapered fiber 1 is placed in the groove 21 of quartz ampoule 2, and at the two of groove 21
End uses adhesive 22 to be adhesively fixed with optical fiber 1, forms semi-finished product 4.Then, outer sealing assembly 3 is set with
Outside to semi-finished product 4.
Then, use fiber cut cutter to be cut by the invalid optical fiber 12 of light inlet 1a, make described nothing
Effect optical fiber 12 facet and the central axis of described invalid optical fiber between angle theta 45～75 degree.Cutting behaviour
Work can be carried out under microscope monitors.
Finally, use adhesive 23 to the two ends of described quartz ampoule 2 at the two ends of described quartz ampoule 2 and
The facet of invalid optical fiber 12 is protected.
The manufacture method of a kind of asymmetric fiber coupler of the present utility model is not limited to above-mentioned manufacture method,
Can also be other modes, such as, adhesive 22 first can also be used at the two ends of described quartz ampoule 2 institute
The facet at the two ends and invalid optical fiber 12 of stating quartz ampoule 2 is protected, finally by outer sealing assembly 3
It is packaged.
In the manufacturing process of a kind of asymmetric fiber coupler of the present utility model, because using optical fiber cutter
Optical fiber 12 invalid to light inlet 1a carries out cold cut and cuts, and operating process is carried out under microscope monitors, permissible
Avoid having influence on other effective fiber of light inlet, can effectively control cut quality and cutting angle simultaneously
Precision, it is possible to the reflection parameters qualification rate of fiber coupler is greatly improved.And without by other operation complexity
Equipment and instrument, significantly reduce operating procedure and operation easier, reduce production process and Production Time,
Thus improve production efficiency.
The announcement of book and teaching according to the above description, this utility model those skilled in the art can also be right
Above-mentioned embodiment changes and revises.Therefore, this utility model is not limited to be disclosed above and describe
Detailed description of the invention, should also be as falling into power of the present utility model to modifications and changes more of the present utility model
In the protection domain that profit requires.Although additionally, this specification employs some specific terms, but these
Term merely for convenience of description, does not constitute any restriction to this utility model.
Claims (6)
1. an asymmetric fiber coupler, including light inlet and go out light end, it is characterised in that described
The end face of the invalid optical fiber of light inlet is inclined-plane.
The asymmetric fiber coupler of one the most according to claim 1, it is characterised in that described
Asymmetric fiber coupler includes optical fiber, quartz ampoule and outer sealing assembly, and described optical fiber is fixed on described stone
The inside of English pipe, and the two ends of described optical fiber each extend over the outside highlighted at described quartz ampoule two ends, described
Outer sealing assembly is socketed in the outside of described quartz ampoule, and described asymmetric fiber coupler is along described quartz ampoule axle
To the two ends in direction respectively light inlet and go out light end.
The asymmetric fiber coupler of one the most according to claim 2, it is characterised in that described
Quartz ampoule is provided with a groove along the side of its axial direction, and described optical fiber is positioned at described groove, and described light
The two ends of fine and described groove are adhesively fixed.
The asymmetric fiber coupler of one the most according to claim 2, it is characterised in that described
The two ends of quartz ampoule are provided with adhesive, and described inclined-plane is positioned at the inside of described adhesive.
The asymmetric fiber coupler of one the most according to claim 2, it is characterised in that described
Outer sealing assembly is to be socketed on the external package pipe outside quartz ampoule.
6. according to the asymmetric fiber coupler of the one described in any claim in claim 1 to 5,
It is characterized in that, the angle between the central axis of described inclined-plane and described invalid optical fiber is 45～75 degree.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620307246.8U CN205594194U (en) | 2016-04-14 | 2016-04-14 | Asymmetric fiber coupler |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620307246.8U CN205594194U (en) | 2016-04-14 | 2016-04-14 | Asymmetric fiber coupler |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205594194U true CN205594194U (en) | 2016-09-21 |
Family
ID=56922038
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201620307246.8U Expired - Fee Related CN205594194U (en) | 2016-04-14 | 2016-04-14 | Asymmetric fiber coupler |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205594194U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110854210A (en) * | 2019-11-18 | 2020-02-28 | 中航光电科技股份有限公司 | Ultrahigh frequency radio frequency photoelectric detector based on BOX encapsulation |
-
2016
- 2016-04-14 CN CN201620307246.8U patent/CN205594194U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110854210A (en) * | 2019-11-18 | 2020-02-28 | 中航光电科技股份有限公司 | Ultrahigh frequency radio frequency photoelectric detector based on BOX encapsulation |
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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 | ||
| DD01 | Delivery of document by public notice |
Addressee: ADF FIBERCOM Ltd. Person in charge of patentsThe principal of patent Document name: Notice of termination of patent right |
|
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20160921 |