CN101866032A - Signal light combiner and fabrication method - Google Patents
Signal light combiner and fabrication method Download PDFInfo
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- CN101866032A CN101866032A CN201010180414A CN201010180414A CN101866032A CN 101866032 A CN101866032 A CN 101866032A CN 201010180414 A CN201010180414 A CN 201010180414A CN 201010180414 A CN201010180414 A CN 201010180414A CN 101866032 A CN101866032 A CN 101866032A
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- 238000000034 method Methods 0.000 title claims abstract description 9
- 238000004519 manufacturing process Methods 0.000 title abstract description 9
- 239000000835 fiber Substances 0.000 claims abstract description 31
- 238000005253 cladding Methods 0.000 claims abstract description 8
- 239000013307 optical fiber Substances 0.000 claims description 83
- 230000003287 optical effect Effects 0.000 claims description 42
- 230000004927 fusion Effects 0.000 claims description 11
- 238000004140 cleaning Methods 0.000 claims description 6
- 238000002844 melting Methods 0.000 claims description 3
- 230000008018 melting Effects 0.000 claims description 3
- 229930091051 Arenine Natural products 0.000 claims 2
- 238000005538 encapsulation Methods 0.000 abstract 1
- 238000005516 engineering process Methods 0.000 description 9
- 238000003466 welding Methods 0.000 description 6
- 230000005540 biological transmission Effects 0.000 description 3
- 238000003780 insertion Methods 0.000 description 3
- 230000037431 insertion Effects 0.000 description 3
- 238000002360 preparation method Methods 0.000 description 3
- 238000012360 testing method Methods 0.000 description 3
- 235000009854 Cucurbita moschata Nutrition 0.000 description 2
- 240000001980 Cucurbita pepo Species 0.000 description 2
- 235000009852 Cucurbita pepo Nutrition 0.000 description 2
- 238000005520 cutting process Methods 0.000 description 2
- 235000020354 squash Nutrition 0.000 description 2
- 241000196324 Embryophyta Species 0.000 description 1
- 239000011248 coating agent Substances 0.000 description 1
- 238000000576 coating method Methods 0.000 description 1
- 238000004891 communication Methods 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 238000001914 filtration Methods 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- 238000012545 processing Methods 0.000 description 1
- 230000008521 reorganization Effects 0.000 description 1
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Abstract
The invention discloses a signal light combiner, which comprises a plurality of input fibers, and an output fiber which are butted with the combined beam of the input fibers. Wherein the butting ends of the input fibers are exposed out of the claddings of the fibers, each cladding of each fiber on the butting end is tightly and evenly arranged, the butting end of the output fiber is exposed out of the cladding, and the butting ends of the input fibers are combined into a beam though high-temperature fused tapering and are welded with the butting end of the output fiber into a whole body. The invention also provides a fabrication method of the signal light combiner. The signal light combiner has the advantages of low inserting loss, small encapsulation dimension and the like, can be used for combining the beam of signal light with different wavelength, also can be used for the combination of energy of a plurality of signal input fibers, and at the same time, has the characteristics of independent wavelength spacing, large bandwidth and the like.
Description
Technical field
The present invention relates to the optical-fiber bundling device, relate in particular to a kind of flashlight and be combined into bundling device of an output optical fibre output and preparation method thereof many input optical fibres.
Background technology
Along with the continuous development of telecommunication service, message capacity is proposed more and more higher requirement, current, the method for the most direct effective solution capacity crisis adopts light WDM technology (WDM) exactly.Adopt wavelength-division multiplex technique can transmit the light wave of a plurality of different wave lengths, make data rate and capacity obtain multiplication, make full use of the enormous bandwidth resource of single-mode fiber in the simple optical fiber inter-sync.After particularly each telecom operators finishes reorganization at present, the optical communication network pace of construction is obviously accelerated, and WDM can accomplish dilatation as required, has low cost, easily opens, the characteristics of applying flexible, balance application demand and investment well is a kind of comparatively desirable metropolitan area transmission solution.
At present, WDM is divided into inteferometer coating filtering type, grating type optical fiber and array waveguide grating AWG type and fused biconical taper coupled mode etc. according to the difference of manufacturing technology.But existing manufacturing technology ubiquity inserts shortcomings such as loss is big, package dimension big, complex manufacturing technology, makes its application be subjected to certain restriction.
Therefore, how simple the and substitute that performance index are excellent of manufacture craft is the technical matters that needs to be resolved hurrily in the industry.
Summary of the invention
The present invention is big for the insertion loss that solves existing light WDM technology (WDM), package dimension big, the technical matters of complex manufacturing technology, provide a kind of and make simple and signal light combiner that performance index are excellent and preparation method thereof, it can be good at substituting the wave energy that closes of WDM.
For solveing the technical problem, a kind of signal light combiner provided by the invention comprises many input optical fibres, closes the output optical fibre that bundle docks with many input optical fibres.The covering of each root optical fiber is exposed in the butt end of many input optical fibres, and the covering of each root optical fiber of this butt end is tight, evenly distributed.Covering is exposed in the butt end of described output optical fibre.The butt end of many input optical fibres draws awl synthetic a branch of and be fused into one with the butt end of described output optical fibre by high-temperature fusion.
Wherein, the arrangement between the covering of described many input optical fibres can adopt squash type arrangement closely or knotting formula to arrange.
Described many input optical fibres can be optical fiber of the same race, also can plant optical fiber for difference.
Described many input optical fibres can be selected three signal input optical fibres, and it is tight, evenly distributed that the covering of its butt end optical fiber is isosceles triangle.Also can select nine signal input optical fibres, it is tight, evenly distributed that the covering of its butt end optical fiber is square.But multifiber is not limited only to three and nine, but N (N=2,3,4 ...) root optical fiber is tight, evenly distributed.
The method for making of the signal light combiner that the present invention proposes comprises the steps:
Coat is peelled off in many input optical fibre butt ends, and the covering cleaning that will expose again is clean, and coat is peelled off in the output optical fibre butt end, and the covering cleaning that will expose again is clean;
With anchor clamps that each root covering of many input optical fibre butt ends is tight, evenly distributed;
Configure fusion parameters, it is synthetic a branch of to arrange good fibre cladding fused biconical taper with high temperature, again the melting zone of perpendicular cuts fibre bundle;
At last the fibre bundle of many input optical fibre butt ends and the covering butt end of output optical fibre butt end are fused into one.
Compare with existing WDM product, the technology of the present invention uniqueness, manufacture craft are simple, many input optical fibres can according to after all size arrangement, fusion, the cutting with the output optical fibre welding, input optical fibre can be an optical fiber of the same race, also can be optical fiber not of the same race, therefore can make the signal light combiner of plurality of specifications, and have and insert to decrease advantages such as low, that package dimension is little, the signal combiner that both can be used for different wave length, can be used for the synthetic of many signal input optical fibre energy again, also have characteristics such as the wavelength spacing is irrelevant, bandwidth is big simultaneously concurrently.
Description of drawings
Below in conjunction with drawings and Examples the present invention is made detailed explanation, wherein:
Fig. 1 is the structural representation of signal light combiner of the present invention;
Fig. 1 a is an input end simple optical fiber cross sectional representation;
Fig. 1 b is an output terminal simple optical fiber cross sectional representation;
Fig. 2 is an A-A cross sectional representation among Fig. 1 of first embodiment;
Fig. 2 a and Fig. 2 b are respectively B-B and C-C cross sectional representation among Fig. 1 of the 1st embodiment;
Fig. 3 is an A-A cross sectional representation among Fig. 1 of second embodiment;
Fig. 3 a and Fig. 3 b are respectively B-B and C-C cross sectional representation among Fig. 1 of second embodiment.
Embodiment
Fig. 1 shows basic structure of the present invention, and described signal light combiner comprises many input optical fibres 10, an output optical fibre 20 that docks with many input optical fibres one end.As shown in Figure 1a, single input optical fibre 10 has thinner fibre core 16, and its periphery is enclosed with covering 14 and coat 12 successively.Shown in Fig. 1 b, output terminal optical fiber 20 has thicker fibre core 26, and its periphery is enclosed with covering 24 and coat 22 successively.Each root optical fiber of the butt end of many input optical fibres 10 (right-hand member) is peelled off coat 12 and is exposed covering 14, and the covering 14 of each root optical fiber of this butt end is tight, evenly distributed.The butt end of output optical fibre 20 (left end) is also peelled off coat 22 and is exposed covering 24.The butt end of many input optical fibres 10 draws awl synthetic a branch of and be fused into one with the butt end of output optical fibre 20 by high-temperature fusion, and input, output optical fibre butt up against welding point 18.As required, can select N (N=2,3,4 ...) and root signal input optical fibre closes and restraints in the output optical fibre, thereby obtain N * 1 signal light combiner of plurality of specifications.
The first embodiment of the present invention (in conjunction with Fig. 1) is selected three signal input optical fibres 10 to close and is restrainted in the output optical fibre 20 as shown in Figure 2, and it is tight, evenly distributed that the covering 14 of three optical fiber in input optical fibre butt end is isosceles triangle.The signal input optical fibre adopts SMF-28e.Shown in Fig. 2 a, draw awl by high-temperature fusion after, the covering 14 of three signal input optical fibres 10 is melt into a branch of fully, wherein also to be isosceles triangle regularly arranged for three fibre cores 16.Shown in Fig. 2 b, after the fibre bundle of input optical fibre 10 butt ends and the butt end welding of output optical fibre 20, the Gaussian beam 15 of transmission in three signal input optical fibres 10 just can promptly be made successfully 3 * 1 signal light combiners by fibre core 26 outputs of output optical fibre 20.The fibre core 26 of output optical fibre is 62.5um, and covering is 125um, and coat is 245um.Test result shows: insert loss on average about 0.1dB.
The second embodiment of the present invention (in conjunction with Fig. 1) is selected nine signal input optical fibres 10 to close and is restrainted in the output optical fibre 20 as shown in Figure 3, and it is tight, evenly distributed that the covering 14 of three optical fiber in input optical fibre butt end is square.The signal input optical fibre adopts SMF-28e.
Shown in Fig. 3 a, draw awl by high-temperature fusion after, the covering 14 of nine signal input optical fibres 10 is melt into a branch of fully, wherein also to be square regularly arranged for nine fibre cores 16.Shown in Fig. 3 b, after the fibre bundle of input optical fibre 10 butt ends and the butt end welding of output optical fibre 20, the Gaussian beam 15 of transmission in nine signal input optical fibres 10 just can promptly be made successfully 9 * 1 signal light combiners by fibre core 26 outputs of output optical fibre 20.According to repetition test, fibre core 26 diameters of choosing output optical fibre are 62.5um, and cladding thickness is 125um, and coat thickness is 245um.Test result shows: insert loss on average about 0.5dB, reduce greatly than the insertion loss of prior art.For guaranteeing the low insertion loss of bundling device, can adopt the way change input of physics or chemistry, the diameter or the shape of output optical fibre in advance.
Arrangement between each fibre cladding of many input optical fibres of the present invention can adopt squash type arrangement closely or knotting formula to arrange.
Many input optical fibres 10 can be the optical fiber of same size, for example, are SMF-28e; Also can be the optical fiber of specification inequality, as, one or more wherein can be arranged is HI1060.
The method for making of the signal light combiner that the present invention proposes, (seeing also Fig. 1 and Fig. 2, Fig. 2 a, Fig. 2 b) has the following steps:
Step 1: coat 12 is peelled off in the butt end of three input optical fibres 10, and covering 14 cleanings that will expose again are clean, and coat 22 is peelled off in output optical fibre 20 butt ends, and covering 24 cleanings that will expose again are clean.
The processing of the butt end of input optical fibre 10 and output optical fibre 20 can be carried out in no particular order
Step 2: each root covering 14 of three input optical fibre butt ends is tight, evenly distributed with anchor clamps.
Step 3: configure fusion parameters, it is synthetic a branch of to arrange good fibre cladding 14 fused biconical tapers with high temperature, again the melting zone of perpendicular cuts fibre bundle.Described fusion parameters is the fire temperature, draws parameters such as awl speed, duration and degree of heating movable length.
Step 4: at last the fibre bundle of three input optical fibre 10 butt ends and covering 24 butt ends of output optical fibre 20 butt ends are fused into one.Input, output optical fibre butt up against welding point 18.
Promptly make successfully 3 * 1 signal light combiners.
In like manner, can also make 9 * 1 signal light combiners or N * 1 signal light combiner as required.
The technology of the present invention uniqueness, manufacture craft are simple, many input optical fibres can according to after all size arrangement, fusion, the cutting with the output optical fibre welding, input optical fibre can be a same size optical fiber, it also can be size optical fiber inequality, therefore can make the signal light combiner of plurality of specifications, and have and insert advantages such as loss is low, package dimension is little, the signal combiner that both can be used for different wave length, can be used for the synthetic of many signal input optical fibre energy again, also have characteristics such as the wavelength spacing is irrelevant, bandwidth is big simultaneously concurrently.
Abovely the present invention is specifically described, but those skilled in the art can make numerous variations or variation to these embodiments these changes and change and to fall within the scope of protection of the invention in conjunction with embodiment.
Claims (6)
1. signal light combiner, comprise many input optical fibres (10), an output optical fibre (20) that docks with many input optical fibres one end, it is characterized in that: the covering (14) of each root optical fiber is exposed in the butt end of described many input optical fibres (10), and the covering (14) of each root optical fiber of this butt end is tight, evenly distributed; Covering (24) is exposed in the butt end of described output optical fibre (20), and the butt end of described many input optical fibres (10) draws awl synthetic a branch of and be fused into one with the butt end of described output optical fibre (20) by high-temperature fusion.
2. signal light combiner as claimed in claim 1 is characterized in that: described many input optical fibres (10) are the optical fiber of the optical fiber of same size or specification inequality.
3. signal light combiner as claimed in claim 2, it is characterized in that: described many input optical fibres (10) are three signal input optical fibres, it is tight, evenly distributed that the covering of its butt end optical fiber (14) is isosceles triangle, or described many input optical fibres (10) are nine signal input optical fibres, and it is tight, evenly distributed that the covering of its butt end optical fiber (14) is square.
4. the method for making of a signal light combiner is characterized in that comprising the steps:
Coat (12) is peelled off in many input optical fibres (10) butt end, and the covering that will expose (14) cleaning is clean again, and coat (22) is peelled off in output optical fibre (20) butt end, and the covering that will expose (24) cleaning is clean again;
With anchor clamps that each root covering (14) of many input optical fibre butt ends is tight, evenly distributed;
Configure fusion parameters, it is synthetic a branch of to arrange good fibre cladding (14) fused biconical taper with high temperature, again the melting zone of perpendicular cuts fibre bundle;
At last the fibre bundle of many input optical fibres (10) butt end and covering (24) butt end of output optical fibre (20) butt end are fused into one.
5. method for making as claimed in claim 4 is characterized in that: described many input optical fibres (10) are the optical fiber of the optical fiber of same size or specification inequality.
6. method for making as claimed in claim 5, it is characterized in that: described many input optical fibres (10) are three signal input optical fibres, it is tight, evenly distributed that the covering of its butt end optical fiber (14) is isosceles triangle, or described many input optical fibres (10) are nine signal input optical fibres, and it is tight, evenly distributed that the covering of its butt end optical fiber (14) is square.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201010180414A CN101866032A (en) | 2010-05-21 | 2010-05-21 | Signal light combiner and fabrication method |
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| CN201010180414A CN101866032A (en) | 2010-05-21 | 2010-05-21 | Signal light combiner and fabrication method |
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Cited By (13)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102044826A (en) * | 2010-11-26 | 2011-05-04 | 山西飞虹激光科技有限公司 | Fiber laser |
| CN102841408A (en) * | 2011-06-23 | 2012-12-26 | 中国科学院西安光学精密机械研究所 | Production process of optical fiber combiner based on capillary tube |
| CN102944917A (en) * | 2012-11-22 | 2013-02-27 | 珠海保税区光联通讯技术有限公司 | Light-splitting light-integrating device, production method thereof and erbium-doped optical fiber amplifier |
| CN103412369A (en) * | 2013-08-21 | 2013-11-27 | 西安中科汇纤光电科技有限公司 | Optical fiber beam combiner and preparation method thereof |
| CN103901538A (en) * | 2012-12-28 | 2014-07-02 | 中国兵器装备研究院 | Manufacturing method of N*1 high-power fiber laser beam combiner |
| CN103984064A (en) * | 2014-05-27 | 2014-08-13 | 深圳朗光科技有限公司 | Water-cooled packaging structure of optical fiber beam combiner |
| CN104009395A (en) * | 2014-05-06 | 2014-08-27 | 深圳市博锐浦科技有限公司 | Optical fiber coupling module with multiple single-diode semiconductor lasers |
| CN104160312A (en) * | 2012-01-24 | 2014-11-19 | Ofs菲特尔有限责任公司 | Monitoring power combines |
| CN104330848A (en) * | 2014-11-25 | 2015-02-04 | 中国人民解放军国防科学技术大学 | Optical fiber power beam combiner with high mode field duty ratio |
| CN105576485A (en) * | 2016-03-07 | 2016-05-11 | 大族激光科技产业集团股份有限公司 | Fiber laser and high-power pump beam combiner thereof |
| CN105824130A (en) * | 2016-05-19 | 2016-08-03 | 西安域视光电科技有限公司 | Device for eliminating laser speckles and preparation method thereof |
| CN108469652A (en) * | 2018-04-03 | 2018-08-31 | 长飞光纤光缆股份有限公司 | A kind of optical mode adapter and preparation method thereof |
| CN111025479A (en) * | 2019-12-05 | 2020-04-17 | 许继集团有限公司 | Manufacturing process of optical fiber component of star coupler and manufacturing process of star coupler |
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| CN2748933Y (en) * | 2004-10-15 | 2005-12-28 | 河南大学 | N*1 optical fiber beam combiner |
| CN1996071A (en) * | 2007-01-05 | 2007-07-11 | 烽火通信科技股份有限公司 | Laser power integrated device and its implement method |
| CN201689190U (en) * | 2010-05-21 | 2010-12-29 | 深圳朗光科技有限公司 | Signal optical beam combiner |
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2010
- 2010-05-21 CN CN201010180414A patent/CN101866032A/en active Pending
Patent Citations (3)
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|---|---|---|---|---|
| CN2748933Y (en) * | 2004-10-15 | 2005-12-28 | 河南大学 | N*1 optical fiber beam combiner |
| CN1996071A (en) * | 2007-01-05 | 2007-07-11 | 烽火通信科技股份有限公司 | Laser power integrated device and its implement method |
| CN201689190U (en) * | 2010-05-21 | 2010-12-29 | 深圳朗光科技有限公司 | Signal optical beam combiner |
Cited By (16)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102044826A (en) * | 2010-11-26 | 2011-05-04 | 山西飞虹激光科技有限公司 | Fiber laser |
| CN102841408A (en) * | 2011-06-23 | 2012-12-26 | 中国科学院西安光学精密机械研究所 | Production process of optical fiber combiner based on capillary tube |
| CN104160312A (en) * | 2012-01-24 | 2014-11-19 | Ofs菲特尔有限责任公司 | Monitoring power combines |
| CN102944917B (en) * | 2012-11-22 | 2014-01-22 | 珠海保税区光联通讯技术有限公司 | Erbium-doped optical fiber amplifier |
| CN102944917A (en) * | 2012-11-22 | 2013-02-27 | 珠海保税区光联通讯技术有限公司 | Light-splitting light-integrating device, production method thereof and erbium-doped optical fiber amplifier |
| CN103901538A (en) * | 2012-12-28 | 2014-07-02 | 中国兵器装备研究院 | Manufacturing method of N*1 high-power fiber laser beam combiner |
| CN103412369A (en) * | 2013-08-21 | 2013-11-27 | 西安中科汇纤光电科技有限公司 | Optical fiber beam combiner and preparation method thereof |
| CN104009395A (en) * | 2014-05-06 | 2014-08-27 | 深圳市博锐浦科技有限公司 | Optical fiber coupling module with multiple single-diode semiconductor lasers |
| CN103984064A (en) * | 2014-05-27 | 2014-08-13 | 深圳朗光科技有限公司 | Water-cooled packaging structure of optical fiber beam combiner |
| CN104330848A (en) * | 2014-11-25 | 2015-02-04 | 中国人民解放军国防科学技术大学 | Optical fiber power beam combiner with high mode field duty ratio |
| CN104330848B (en) * | 2014-11-25 | 2017-08-25 | 中国人民解放军国防科学技术大学 | A kind of high mould field dutycycle optic fiber power beam combiner |
| CN105576485A (en) * | 2016-03-07 | 2016-05-11 | 大族激光科技产业集团股份有限公司 | Fiber laser and high-power pump beam combiner thereof |
| CN105576485B (en) * | 2016-03-07 | 2019-03-12 | 大族激光科技产业集团股份有限公司 | Optical fiber laser and its high power pump bundling device |
| CN105824130A (en) * | 2016-05-19 | 2016-08-03 | 西安域视光电科技有限公司 | Device for eliminating laser speckles and preparation method thereof |
| CN108469652A (en) * | 2018-04-03 | 2018-08-31 | 长飞光纤光缆股份有限公司 | A kind of optical mode adapter and preparation method thereof |
| CN111025479A (en) * | 2019-12-05 | 2020-04-17 | 许继集团有限公司 | Manufacturing process of optical fiber component of star coupler and manufacturing process of star coupler |
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Application publication date: 20101020 |