CN109683241A - A kind of fiber coupler - Google Patents
A kind of fiber coupler Download PDFInfo
- Publication number
- CN109683241A CN109683241A CN201710976507.4A CN201710976507A CN109683241A CN 109683241 A CN109683241 A CN 109683241A CN 201710976507 A CN201710976507 A CN 201710976507A CN 109683241 A CN109683241 A CN 109683241A
- Authority
- CN
- China
- Prior art keywords
- mold
- rectangle
- fiber coupler
- fiber
- multifiber
- 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.)
- Pending
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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
- G02B6/26—Optical coupling means
- G02B6/262—Optical details of coupling light into, or out of, or between fibre ends, e.g. special fibre end shapes or associated optical elements
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01S—DEVICES USING THE PROCESS OF LIGHT AMPLIFICATION BY STIMULATED EMISSION OF RADIATION [LASER] TO AMPLIFY OR GENERATE LIGHT; DEVICES USING STIMULATED EMISSION OF ELECTROMAGNETIC RADIATION IN WAVE RANGES OTHER THAN OPTICAL
- H01S3/00—Lasers, i.e. devices using stimulated emission of electromagnetic radiation in the infrared, visible or ultraviolet wave range
- H01S3/005—Optical devices external to the laser cavity, specially adapted for lasers, e.g. for homogenisation of the beam or for manipulating laser pulses, e.g. pulse shaping
Abstract
The present invention relates to fiber laser technology fields, more particularly, to a kind of fiber coupler, fiber optic bundle is formed by the multifiber with rectangle fibre core and rectangle surrounding layer, one is formed by fused biconical taper, and cut off and be made at fused biconical taper, cut off output end of the section as fiber coupler of formation；Multifiber passes through the fixed composition fiber optic bundle of mold；The mold has the V-groove array for setting fixed optical fiber；The mold has the rectangular channel array for depressing fixed optical fiber；The mold is formed by glass or ceramics；Multifiber passes through the fixed composition fiber optic bundle of UV glue；The cross section that multifiber forms fiber optic bundle is rectangle or approximate circle；The section is rectangle, approximate circle or irregular shape.The present invention has rational design, and structure is simple, and production is simple, low in cost, is suitable for batch production.
Description
Technical field
The present invention relates to fiber laser technology fields, design and make more particularly, to a kind of fiber coupler.
Background technique
Representative of the optical fiber laser as third generation laser technology, has been more and more widely used.Fiber coupler is
Important component in optical fiber laser, it directly affects coupling efficiency so that influencing the power index of optical fiber laser.
Currently, powerful optical fiber laser structure is complex in the market, and volume is larger, to make it have certain
Application limitation, fiber coupler structure fabrication therein is complex, is not easy to produce and reduce cost, optical fiber coupling in batches
The production repeatability and stability of clutch are all inadequate, and output facula is difficult to control, and output power increases limited, it is difficult to adapt to current
The extensive use of stage optical fiber laser.
Summary of the invention
In view of the above-mentioned deficiencies in the prior art, it is an object of the present invention to provide, a kind of design is reasonable, and structure is simple, production letter
Easily, fiber coupler low in cost, suitable for batch production.
To achieve the above object, the invention adopts the following technical scheme:
A kind of fiber coupler forms fiber optic bundle by the multifiber with rectangle fibre core and rectangle surrounding layer and passes through fused biconical taper
One is formed, and cuts off and is made at fused biconical taper, cuts off output end of the section as fiber coupler of formation.
Multifiber passes through the fixed composition fiber optic bundle of mold.
The mold has the V-groove array for setting fixed optical fiber.
The mold has the rectangular channel array for depressing fixed optical fiber.
The mold is formed by glass or ceramics.
Multifiber passes through the fixed composition fiber optic bundle of UV glue.
The cross section that multifiber forms fiber optic bundle is rectangle or approximate circle.
The section is rectangle, approximate circle or irregular shape.
The invention adopts the above technical scheme, and the light that multifiber channel may be implemented brings together to form required shape
Hot spot transmission, power is increased N times to realize high-power output, not only may be implemented to input, the diversification of output power, and
And can flexibly change the shape of output facula, and to realize functional diversities, while also having structure simple, production is simple,
The advantages that low in cost.The present invention has rational design, and structure is simple, and production is simple, low in cost, is suitable for batch production.
Detailed description of the invention
The present invention is described in further details below in conjunction with the drawings and specific embodiments:
Fig. 1 is the structural schematic diagram of fiber coupler of the present invention；
Fig. 2 is fiber optic bundle fused biconical taper status diagram of the present invention；
Fig. 3 is a kind of mold structure diagram that multifiber forms fiber optic bundle in the embodiment of the present invention；
Fig. 4 is another mold structure diagram that multifiber forms fiber optic bundle in the embodiment of the present invention.
Specific embodiment
The present invention will be further described in detail with reference to the specific embodiments:
Shown in one of picture 1-4, fiber coupler of the invention, by the multifiber 1 with rectangle fibre core and rectangle surrounding layer
It forms fiber optic bundle and one is formed by fused biconical taper, and 2 cuttings are made at fused biconical taper, cut off the section of formation as light
The output end 3 of fine coupler.
Preferably, multifiber 1 passes through the fixed composition fiber optic bundle of mold 4.
Preferably, the mold 4 is with the V-groove array for setting fixed optical fiber or for depressing fixed optical fiber
Rectangular channel array.
Preferably, the mold 4 is formed by glass or ceramics.
Further, multifiber 1 passes through the fixed composition fiber optic bundle of UV glue.
Preferably, the cross section that multifiber 1 forms fiber optic bundle is rectangle or approximate circle.
Preferably, the section is rectangle, approximate circle or irregular shape.
Embodiment
As shown in Fig. 3 or Fig. 4, the present invention uses 20 20x400um2Rectangle optical fiber close-stacked form together
400x400um2Big rectangle fiber optic bundle, then forms 100x100um by fused biconical taper technique in the middle part of fiber optic bundle2Or Φ
100um2Fused biconical taper portion, finally fused biconical taper portion is cut off, two fiber couplers is obtained, cuts off the cutting of formation
Both ends input terminal as two fiber coupler of the face as 3, the 20 rectangle optical fiber of output end of fiber coupler.
When being stacked 20 rectangle optical fiber, pass through the fixed composition fiber optic bundle of mold 4.
As a kind of structure of mold 4, the mold 4 has the rectangular channel array for depressing fixed optical fiber；In use,
20 rectangle optical fiber can be placed on the flat carriers such as a flat glass 6, recycle the rectangular channel array of two molds 4
The 20 rectangle optical fiber both ends that are fastened successively are pushed, then using mold 4 is further taken out after UV adhesive curing, to be made for straight
The fiber coupler input terminal 5 of LD array light source output light is received, finally by such as 180 ° of torsion in the middle part of 20 rectangle optical fiber
Or one is formed by fused biconical taper after angle needed for 360 ° etc., and 2 cutting at fused biconical taper, cut off the section of formation
It is used to for LD array light source output light to be coupled into a branch of rectangle, approximate rectangular or approximate circle as fiber coupler output end 3
The hot spot of shape exports.
As another structure of mold 4, the mold 4 has the V-groove array for setting fixed optical fiber；It uses
When, 20 rectangle optical fiber both ends can be individually positioned in the V-groove array of two molds 4, then using after UV adhesive curing
Mold 4 is further taken out, so that the fiber coupler input terminal 5 for directly receiving LD array light source output light is made, finally by 20
One is formed by fused biconical taper after angle needed for 180 ° or 360 ° of torsion etc. in the middle part of root rectangle optical fiber, and is drawn in melting
2 cutting at cone, the section for cutting off formation are used to LD array light source output light being coupled into one as fiber coupler output end 3
Beam rectangle, approximate rectangular or approximate circle hot spot output.
Above description should not have any restriction to protection scope of the present invention.
Claims (8)
1. a kind of fiber coupler, it is characterised in that: form optical fiber by the multifiber with rectangle fibre core and rectangle surrounding layer
Beam forms one by fused biconical taper, and cuts off and be made at fused biconical taper, cuts off the section of formation as fiber coupler
Output end.
2. a kind of fiber coupler according to claim 1, it is characterised in that: multifiber passes through the fixed composition light of mold
Fine beam.
3. a kind of fiber coupler according to claim 2, it is characterised in that: the mold has for setting fixed light
Fine V-groove array.
4. a kind of fiber coupler according to claim 2, it is characterised in that: the mold has for depressing fixed light
Fine rectangular channel array.
5. a kind of fiber coupler according to one of claim 2-4, it is characterised in that: the mold is by glass or pottery
Porcelain molding.
6. a kind of fiber coupler according to claim 1 or 2, it is characterised in that: multifiber is fixed by UV glue
Form fiber optic bundle.
7. a kind of fiber coupler according to claim 1, it is characterised in that: the cross section of multifiber composition fiber optic bundle
For rectangle or approximate circle.
8. a kind of fiber coupler according to claim 1, it is characterised in that: the section is rectangle, approximate circle
Or irregular shape.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710976507.4A CN109683241A (en) | 2017-10-19 | 2017-10-19 | A kind of fiber coupler |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710976507.4A CN109683241A (en) | 2017-10-19 | 2017-10-19 | A kind of fiber coupler |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN109683241A true CN109683241A (en) | 2019-04-26 |
Family
ID=66184106
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710976507.4A Pending CN109683241A (en) | 2017-10-19 | 2017-10-19 | A kind of fiber coupler |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN109683241A (en) |
Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6542675B1 (en) * | 2001-05-02 | 2003-04-01 | Terabeam Corporation | Apparatus and method to use a tapered fiber bundle in a free space optical communication system |
| CN101281279A (en) * | 2007-04-06 | 2008-10-08 | 上海玖裕光电科技有限公司 | Method for processing optical fiber unit block as well as optical fiber unit block prepared thereby |
| CN101794955A (en) * | 2010-02-10 | 2010-08-04 | 华中科技大学 | Full optical fiber laser synthesizer and preparation method thereof |
| CN102243342A (en) * | 2010-05-12 | 2011-11-16 | 鸿富锦精密工业（深圳）有限公司 | Fixing device |
| CN203759290U (en) * | 2014-04-11 | 2014-08-06 | 福州高意通讯有限公司 | Optical fiber with banding section |
| CN104682196A (en) * | 2013-11-29 | 2015-06-03 | 福州高意通讯有限公司 | Direct semiconductor laser |
| CN204479791U (en) * | 2015-01-22 | 2015-07-15 | 中国建筑材料科学研究总院 | Excellent mould arranged by optical fiber |
| CN105093412A (en) * | 2014-05-15 | 2015-11-25 | 富通集团有限公司 | Multi-core optical fiber coupler and machining method thereof |
-
2017
- 2017-10-19 CN CN201710976507.4A patent/CN109683241A/en active Pending
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6542675B1 (en) * | 2001-05-02 | 2003-04-01 | Terabeam Corporation | Apparatus and method to use a tapered fiber bundle in a free space optical communication system |
| CN101281279A (en) * | 2007-04-06 | 2008-10-08 | 上海玖裕光电科技有限公司 | Method for processing optical fiber unit block as well as optical fiber unit block prepared thereby |
| CN101794955A (en) * | 2010-02-10 | 2010-08-04 | 华中科技大学 | Full optical fiber laser synthesizer and preparation method thereof |
| CN102243342A (en) * | 2010-05-12 | 2011-11-16 | 鸿富锦精密工业（深圳）有限公司 | Fixing device |
| CN104682196A (en) * | 2013-11-29 | 2015-06-03 | 福州高意通讯有限公司 | Direct semiconductor laser |
| CN203759290U (en) * | 2014-04-11 | 2014-08-06 | 福州高意通讯有限公司 | Optical fiber with banding section |
| CN105093412A (en) * | 2014-05-15 | 2015-11-25 | 富通集团有限公司 | Multi-core optical fiber coupler and machining method thereof |
| CN204479791U (en) * | 2015-01-22 | 2015-07-15 | 中国建筑材料科学研究总院 | Excellent mould arranged by optical fiber |
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| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20190426 |
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| RJ01 | Rejection of invention patent application after publication |