CN208984829U - A kind of signal bundling device of the fan-shaped shape in input optical fibre section - Google Patents
A kind of signal bundling device of the fan-shaped shape in input optical fibre section Download PDFInfo
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- CN208984829U CN208984829U CN201821657504.0U CN201821657504U CN208984829U CN 208984829 U CN208984829 U CN 208984829U CN 201821657504 U CN201821657504 U CN 201821657504U CN 208984829 U CN208984829 U CN 208984829U
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Abstract
The utility model discloses a kind of signal bundling devices of fan-shaped shape in input optical fibre section, it includes more input optical fibres, combined beam light fibre and output optical fibre, input optical fibre includes the optical fiber input covering for inputting fibre core and being wrapped in input fibre core outer wall, output optical fibre includes the optical fiber output covering for exporting fibre core and being wrapped in output fibre core outer wall, simultaneously edge is axially arranged with groove and protrusion to the fan-shaped shape in section of optical fiber input covering, it is fine that more input optical fibres form combined beam light after being nested together, fibre core in combined beam light fibre is connect with output fibre core, the conjunction beam covering of combined beam light fibre is connect with output fibre core or optical fiber output covering；Using the structure of the utility model, need not move through fused biconical taper or sour technique, effectively beam quality is avoided to deteriorate, air bubble will not be generated in the optical fiber input covering of input optical fibre, ensure that signal carries out total reflection transmitting in input optical fibre, signal light ability to bear is stronger, is conducive to transmitting high power signals.
Description
Technical field
The utility model relates to Fiber laser technology fields, more particularly to a kind of letter of fan-shaped shape in input optical fibre section
Number bundling device.
Background technique
Common signal bundling device production method includes ropework and tiretube process on the market, and ropework passes through porous knotting
Multifiber is twisted together bunchy, makes fiber optic bundle by fused biconical taper by fixture.The fiber optic bundle of this method production, at each optical fiber
It in rotation twist state, bores at area there are stress, is easy to appear disconnected fibre, and fiber-optic twist easily causes mode excitation.Tiretube process
To penetrate multifiber in the suitable quartz ampoule of size, by fused biconical taper make quartz ampoule collapse by the constraint of each optical fiber at
Beam；The signal bundling device that both methods is produced easily causes beam quality deterioration, and the light of signal bundling device is caused to bear energy
Power is not strong, while during fused biconical taper, and air bubble can be inevitably generated in the inner cladding of input optical fibre, and bubble is positioned at defeated
When entering fiber core, it will lead to optical signal and refraction effect occur, seriously lead to the decaying of optical signal, beam quality deteriorates, and influences
Total reflection transmitting of the optical signal in input fibre core.
Summary of the invention
The purpose of the utility model is to overcome disadvantages described above, a kind of fan-shaped shape in input optical fibre section is provided
Signal bundling device.
To achieve the above object, the concrete scheme of the utility model is as follows:
A kind of signal bundling device of the fan-shaped shape in input optical fibre section, including more input optical fibres, combined beam light are fine and export
Optical fiber, the input optical fibre include the optical fiber input covering for inputting fibre core and being wrapped in input fibre core outer wall, the output optical fibre
Including output fibre core and the optical fiber output covering for being wrapped in output fibre core outer wall, the fan-shaped shape in section of the optical fiber input covering
And along groove and protrusion is axially arranged with, the more input optical fibres form combined beam light fibre, the conjunction beam after being nested together
Fibre core in optical fiber is connect with the output fibre core, and the conjunction beam covering and the output fibre core or optical fiber of the combined beam light fibre are defeated
Covering connects out.
Wherein, the optical fiber input covering is equipped with groove and protrusion by laser ablation.
Wherein, the groove and the cross sectional shape of protrusion are rectangular or T shape.
The utility model has the following beneficial effects: compared with prior art, the utility model needs not move through fused biconical taper or acid
Rotten technique does not destroy the structure of input fibre core, effectively avoids beam quality caused by mode excitation from deteriorating, the optical fiber of input optical fibre
Air bubble will not be generated in input covering, ensures that signal carries out total reflection transmitting, signal light ability to bear in input optical fibre
It is stronger, it is conducive to transmitting high power signals, and the utility model structure is simple, is easy to make；
In addition, more input optical fibres are to not only solve bubble by forming combined beam light fibre after being nested together and ask
Topic, also discovery has better heat dissipation effect, which is because, when groove is with male cooperation in actual use, has very
Small gap, air molecule can pass through, and formation temperature is poor, form certain air draught, and energy band is come across in beam optical fiber
Heat.
Detailed description of the invention
Fig. 1 is the structural schematic diagram of the utility model；
Fig. 2 is structural schematic diagram of the input optical fibre with square groove and protrusion in an embodiment of the present invention；
Fig. 3 is input optical fibre A-A cross-sectional view in Fig. 1 in Fig. 2；
Fig. 4 is structural schematic diagram of the input optical fibre with T connected in star and protrusion in an embodiment of the present invention；
Fig. 5 is input optical fibre A-A cross-sectional view in Fig. 1 in Fig. 4；
Fig. 6 is that the combined beam light fibre with square groove and protrusion in an embodiment of the present invention shows the cross section B-B in Fig. 1
It is intended to；
Fig. 7 is that the combined beam light fibre with T connected in star and protrusion in an embodiment of the present invention shows the cross section B-B in Fig. 1
It is intended to；
Description of symbols: 10- input optical fibre；11- inputs coat；12- optical fiber inputs covering；121- groove；122-
Protrusion；13- inputs fibre core；20- combined beam light is fine；30- output optical fibre；31- exports fibre core；32- optical fiber output covering；33- output
Coat.
Specific embodiment
The utility model is described in further detail in the following with reference to the drawings and specific embodiments, is not that this is practical
Novel practical range is confined to this.
As shown in Figures 1 to 7, a kind of signal bundling device of the fan-shaped shape in input optical fibre section described in the present embodiment, packet
More input optical fibres 10, combined beam light fibre 20 and output optical fibre 30 are included, the input optical fibre 10 includes input fibre core 13 and is wrapped in
The optical fiber for inputting 13 outer wall of fibre core inputs covering 12, and the output optical fibre 30 includes exporting fibre core 31 and being wrapped in output fibre core 31
The optical fiber output covering 32 of outer wall, the fan-shaped shape in section of optical fiber input covering 12 and along being axially arranged with groove 121 and convex
122 are played, the more input optical fibres 10 form combined beam light fibre 20, the fibre core in the combined beam light fibre 20 after being nested together
It is connect with the output fibre core 31, the conjunction beam covering of the combined beam light fibre 20 and the output fibre core 31 or optical fiber output covering
32 connections；Further, the optical fiber input covering 12 is equipped with groove 121 and protrusion 122 by laser ablation to the present embodiment；This
Further, the cross sectional shape of the groove 121 and protrusion 122 is rectangular or T shape to embodiment.
Specifically, the every input optical fibre 10 further includes the input coat for being wrapped in optical fiber input 12 outer wall of covering
11, the output optical fibre 30 further includes the output coat 33 for being wrapped in 32 outer wall of optical fiber output covering；By the input optical fibre
10 one end input coat 11 strips, and keeps the optical fiber input covering 12 of this section of input optical fibre 10 exposed, naked to this by laser
The optical fiber input covering 12 of dew performs etching to form etched plane, while making the cross sectional shape of optical fiber input covering 12 in fan
Shape, the etched plane of the optical fiber input covering 12 of the every input optical fibre 10 is axially disposed rectangular or T shape groove 121
With protrusion 122, the groove 121 and protrusion 122 are arranged in a staggered manner, and then pass through mechanical clamp for the input optical fibre 10 of more fan shapes
It is nested together to form combined beam light fibre 20, after the end face of combined beam light fibre 20 is cut flat with and output optical fibre 30 carries out welding, complete
At production high power signals bundling device.
As shown in Figures 1 to 7, further, the quantity of input optical fibre 10 is 4, i.e. 4X1 signal bundling device, and input applies
11 diameter of coating is 550um, and it is 400um that optical fiber, which inputs 12 diameter of covering, and input 13 diameter of fibre core is 20um.Export coat 33
Diameter is 480um, and 32 diameter of optical fiber output covering is 360um, and output 31 diameter of fibre core is 100um；Then by laser to naked
The optical fiber input covering 12 of dew performs etching to form etched plane, and make to input fibre core 13 will not it is exposed outside, while carving
Rectangular or T shape groove 121 and protrusion 122 is arranged in erosion plane；By 4 etching or input optical fibre 10 by groove 121 with it is convex
Rise 122 cooperation be nested together to form combined beam light fibre 20, then by the end face of combined beam light fibre 20 cut flat with after with output
Optical fiber 30 carries out welding, completes the production of high power signals bundling device.
Certainly, in the present embodiment, combined beam light fibre 20 can also be further fixed by dispensing mode or by 20 sets of combined beam light fibre
In sebific duct, metal tube or glass tube, keep fine 20 structures of combined beam light stronger.
Using the high power signals bundling device of the present embodiment, fused biconical taper or sour technique are needed not move through, does not destroy input
The structure of fibre core 13 effectively avoids beam quality caused by mode excitation from deteriorating, in the optical fiber input covering 12 of input optical fibre 10
Air bubble will not be generated, ensures that signal carries out total reflection transmitting in input optical fibre 10, signal light ability to bear is stronger, is conducive to
High power signals are transmitted, and the present embodiment structure is simple, is easy to make；
In addition, more input optical fibres 10 are to not only solve gas by forming combined beam light fibre 20 after being nested together
Bubble problem, also discovery has better heat dissipation effect, which is because, groove 121 and protrusion 122 cooperate in actual use
When, there is very small gap, air molecule can pass through, and formation temperature is poor, form certain air draught, and energy band is come across beam
Heat in optical fiber 20.
As shown in Figures 1 to 7, the present embodiment the production method is as follows:
Step 1: the part input coat 11 of more input optical fibres 10 is stripped, make the light of the part input optical fibre 10
Fibre input covering 12 is exposed；The part output coat 33 of output optical fibre 30 is stripped, the optical fiber of the part output optical fibre 30 is made
It is exposed to input covering 12；
Step 2: then forming etched plane by laser ablation to exposed optical fiber input covering 12, make the part light
Fibre inputs the fan-shaped shape in section of covering 12 and axially disposed fluted 121 and raised 122 on etched plane；
Step 3: by the groove 121 on more input optical fibres 10 and carrying out mutually nested cooperation between protrusion 122, formed
Combined beam light fibre 20；
Connect afterwards with the output optical fibre 30 for exposing optical fiber output covering 32 Step 4: fine 20 end faces of combined beam light are cut flat with
It connects, completes the production of high power signals bundling device.
The production method of the present embodiment only carries out laser ablation to optical fiber input covering 12, will not produce to input fibre core 13
Raw to destroy and have an impact to optical fiber input 12 internal structure of covering, bubble will not be generated in input optical fibre 10 by, which ensureing, asks
Topic；More input optical fibres 10 are carried out by mutually nested cooperation by mechanical clamp simultaneously, input optical fibre 10 is protected not and will receive and is crowded
It crushes bad.
The above is only a preferred embodiment of the utility model, therefore all according to the utility model patent application range institute
The equivalent change or modification that the structure, feature and principle stated is done, in the protection scope of the utility model patent application.
Claims (3)
1. a kind of signal bundling device of the fan-shaped shape in input optical fibre section, it is characterised in that: including more input optical fibres (10), close
Beam optical fiber (20) and output optical fibre (30), the input optical fibre (10) include inputting fibre core (13) and being wrapped in input fibre core (13)
The optical fiber of outer wall inputs covering (12), and the output optical fibre (30) includes output fibre core (31) and is wrapped in output fibre core (31) outside
The optical fiber output covering (32) of wall, simultaneously edge is axially arranged with groove (121) to the fan-shaped shape in section of optical fiber input covering (12)
With raised (122), the more input optical fibres (10) form combined beam light fibre (20) after being nested together, the combined beam light is fine
(20) fibre core in is connect with the output fibre core (31), the conjunction beam covering and the output fibre core of the combined beam light fine (20)
(31) or optical fiber output covering (32) connects.
2. a kind of signal bundling device of fan-shaped shape in input optical fibre section according to claim 1, it is characterised in that: described
Optical fiber inputs covering (12) and is equipped with groove (121) and protrusion (122) by laser ablation.
3. a kind of signal bundling device of fan-shaped shape in input optical fibre section according to claim 1 or 2, it is characterised in that:
The cross sectional shape of the groove (121) and raised (122) is rectangular or T shape.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821657504.0U CN208984829U (en) | 2018-10-12 | 2018-10-12 | A kind of signal bundling device of the fan-shaped shape in input optical fibre section |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821657504.0U CN208984829U (en) | 2018-10-12 | 2018-10-12 | A kind of signal bundling device of the fan-shaped shape in input optical fibre section |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208984829U true CN208984829U (en) | 2019-06-14 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821657504.0U Active CN208984829U (en) | 2018-10-12 | 2018-10-12 | A kind of signal bundling device of the fan-shaped shape in input optical fibre section |
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| Country | Link |
|---|---|
| CN (1) | CN208984829U (en) |
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2018
- 2018-10-12 CN CN201821657504.0U patent/CN208984829U/en active Active
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