CN102998752B - A kind of high-power optical fiber transmission jumper and preparation method thereof - Google Patents
A kind of high-power optical fiber transmission jumper and preparation method thereof Download PDFInfo
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- CN102998752B CN102998752B CN201110276442.5A CN201110276442A CN102998752B CN 102998752 B CN102998752 B CN 102998752B CN 201110276442 A CN201110276442 A CN 201110276442A CN 102998752 B CN102998752 B CN 102998752B
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- optical fiber
- fibre core
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- power optical
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- 239000013307 optical fiber Substances 0.000 title claims abstract description 26
- 230000005540 biological transmission Effects 0.000 title abstract description 5
- 238000002360 preparation method Methods 0.000 title description 3
- 239000000835 fiber Substances 0.000 claims abstract description 41
- 239000011248 coating agent Substances 0.000 claims abstract description 11
- 238000000576 coating method Methods 0.000 claims abstract description 11
- 238000000034 method Methods 0.000 claims abstract description 9
- 230000003287 optical effect Effects 0.000 claims abstract description 9
- 239000000463 material Substances 0.000 claims abstract description 7
- 229910052751 metal Inorganic materials 0.000 claims abstract description 4
- 239000002184 metal Substances 0.000 claims abstract description 4
- 230000008569 process Effects 0.000 claims abstract description 4
- 229910052594 sapphire Inorganic materials 0.000 claims description 12
- 239000010980 sapphire Substances 0.000 claims description 12
- 239000013078 crystal Substances 0.000 claims description 10
- 239000006061 abrasive grain Substances 0.000 claims description 9
- 239000007888 film coating Substances 0.000 claims description 9
- 238000009501 film coating Methods 0.000 claims description 9
- 238000003672 processing method Methods 0.000 claims description 9
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 claims description 6
- 229910052802 copper Inorganic materials 0.000 claims description 6
- 239000010949 copper Substances 0.000 claims description 6
- 238000006213 oxygenation reaction Methods 0.000 claims description 5
- 238000005240 physical vapour deposition Methods 0.000 claims description 4
- 238000000227 grinding Methods 0.000 claims description 3
- 238000007689 inspection Methods 0.000 claims description 3
- 239000002210 silicon-based material Substances 0.000 claims description 3
- 239000000758 substrate Substances 0.000 claims description 3
- 238000001514 detection method Methods 0.000 abstract description 3
- 238000005516 engineering process Methods 0.000 description 5
- 238000004519 manufacturing process Methods 0.000 description 5
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 description 4
- NAWDYIZEMPQZHO-UHFFFAOYSA-N ytterbium Chemical compound [Yb] NAWDYIZEMPQZHO-UHFFFAOYSA-N 0.000 description 4
- 229910052769 Ytterbium Inorganic materials 0.000 description 3
- PNEYBMLMFCGWSK-UHFFFAOYSA-N Alumina Chemical compound [O-2].[O-2].[O-2].[Al+3].[Al+3] PNEYBMLMFCGWSK-UHFFFAOYSA-N 0.000 description 2
- 238000000605 extraction Methods 0.000 description 2
- 230000008676 import Effects 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 239000004038 photonic crystal Substances 0.000 description 2
- 239000000377 silicon dioxide Substances 0.000 description 2
- 235000012239 silicon dioxide Nutrition 0.000 description 2
- 230000008901 benefit Effects 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000007747 plating Methods 0.000 description 1
- 238000005086 pumping Methods 0.000 description 1
- 239000002994 raw material Substances 0.000 description 1
- 239000004065 semiconductor Substances 0.000 description 1
- 230000007704 transition Effects 0.000 description 1
Landscapes
- Optical Fibers, Optical Fiber Cores, And Optical Fiber Bundles (AREA)
- Mechanical Coupling Of Light Guides (AREA)
Abstract
A kind of large-power optical fiber wire jumper, including wire body and joint, described joint is arranged on the two ends of wire body, and described wire body includes the core pack arrangement layer being made up of fibre core and covering, and the metal hose that outer layer shields.Described fiber core outer wrapping covering, and the end face of fibre core is an inclined-plane and surface coating, and the refractive index of described Coating Materials is consistent with the refractive index of fibre core and thermal coefficient of expansion with thermal coefficient of expansion；The technical process making this optical patchcord includes 1) peel off, 2) grind, 3) detection, 4) plated film, 5) detection and 6) assemble.This optical patchcord can significantly improve in energy density less than 200W/MM2High power laser use under the conditions of service life of Transmission Fibers, and technique is simple, cheap, suitable large-scale promotion.
Description
Technical field
The present invention relates to a kind of fiber-optic transfer wire jumper, particularly relate to a kind of large-power optical fiber wire jumper and preparation method thereof.
Background technology
Large-power optical fiber wire jumper is used to do from laser equipment to the jumper of various high power laser utilization aspects, has more perfect mechanical protection layer, is commonly used in the connection between high power laser equipment and high power laser processing scene.This optical patchcord is optical fiber safety, reliable, simple and direct, movable connection means, is one of the important tool of high-power laser transmission and utilization.And in the actual application of optical patchcord, the bottleneck problem drawing always China's laser utilization of high power laser.At home under prior art and process conditions, it is difficult to by simple process low cost, solves the problem that laser is drawn expeditiously.Abroad being typically with the photonic crystal fiber of fibre core ytterbium doping, by the pumping level transition of ytterbium atom, and the mode of fiber end face plating LR (low anti-) film realizes the extraction of high power laser.The shortcoming of this method is and the production of Yb-doped photon crystal optical fiber and the cost of raw material are the highest；And the production and processing technology of Yb-doped photon crystal optical fiber is complicated, domestic do not reach technology requirement due to the production technology of optical fiber, present stage can't produce applicable Yb-doped photon crystal optical fiber, if adopting the extraction realizing high power laser in this way, needs dependence on import.Simultaneously because the production cost of high power semiconductor lasers is higher, technology content is the highest, and operation environment requires harshness, also limit the extensive utilization of Yb-doped photon crystal optical fiber.
Summary of the invention
The invention aims to provide a kind of simple in construction, it is not necessary to use the fibre core of doping ytterbium to can be achieved with laser wire jumper and the manufacture method of this laser wire jumper that high power laser is drawn.
In order to achieve the above object, present invention employs techniques below scheme:
A kind of large-power optical fiber wire jumper, including wire body and joint, described joint is arranged on the two ends of wire body, and described wire jumper includes the metal hose that the core pack arrangement layer being made up of fibre core and covering and outer layer shield, it is characterised in that:
A earth silicon material that the fibre core described in () is not less than 99.999% by purity is made；
B the covering described in () is made up of the plastic substrate of refractive index no more than 0.40；
C the end face of () described fibre core is an inclined-plane and surface coating, described Coating Materials is the optical crystal that refractive index is consistent with the refractive index of fibre core and thermal coefficient of expansion with thermal coefficient of expansion；
D the diameter of () described fibre core is between 200-400 μm, described optical fiber hard-pressed bale diameter is not more than 1mm.
The end face of described fibre core and the angle of vertical plane are oblique 8 ° of angles.
Described Coating Materials is any one in silicon dioxide, aluminium sesquioxide, BLC crystal.
Described joint is made up of sapphire ring and the copper sleeve of interference fit, and described sapphire ring is arranged on the inside of described copper sleeve, the termination of described fiber core be arranged in described sapphire ring and with described sapphire ring interference fit.
A kind of processing method processing described large-power optical fiber wire jumper, is characterized in that: described processing method comprises the steps of:
1) peel off-fiber core is separated from external protection suitable length；
2) grind-core end surface is ground to form the angle with vertical plane is the inclined-plane that oblique 8 ° of angles and surface undulation are not more than 3 μm；
5) detection-use interferometer to carry out detecting core end surface waviness；
6) plated film-film coating environment: temperature 200～300 DEG C, oxygenation 10～30sccm, background vacuum is not more than 0.05Pa；Physical vapor deposition mode is used to deposit 1.5～4 minutes under above-mentioned film coating environment；
7) detection-use continuous light not less than 100W totally 20 seconds and pulsed light not less than the 10W/0.5 second, under dustfree environment, the big luminous power of optical fiber is carried out real inspection by property, microscope is observed after having detected more than 200 times the integrity of fiber end face, substandard product returns and re-grinds, and qualified product seals and preserves；
8) assemble-qualified product is assembled with described joint.
For reaching best coating effects, described film coating environment can be set as temperature 250 DEG C, oxygenation 20sccm, background vacuum 0.002Pa.
Similarly, for reaching optimum Detection results, described detecting step uses continuous light 100W totally 20 seconds and the pulsed light 10W/0.5 second to detect.
Described step 2 comprises the steps:
21) pouncing paper of corase grind-employing a diameter of 50 μm of abrasive grains is roughly ground；
22) diameter of fine grinding-employing abrasive grains pouncing paper between 50 μm and 1 μm carries out fine grinding；
23) fine grinding-use the pouncing paper of a diameter of 1 μm of abrasive grains to refine, and to be ground to form by core end surface with vertical plane angle be the inclined-plane that oblique 8 ° of angles and surface undulation are not more than 3 μm.
The invention have benefit that: 1. make simple, it is not necessary to use the photonic crystal fiber that the fibre core ytterbium of specific import adulterates, with low cost；2. technique is simple, and processing method of the present invention the most just can realize；3. can significantly improve in energy density less than 200W/MM2High power laser use under the conditions of service life of Transmission Fibers.
Accompanying drawing explanation
Fig. 1 is the structural representation of optical patchcord of the present invention；
Fig. 2 is the partial sectional view of Fig. 1；
Fig. 3 is the partial enlarged drawing of Fig. 2.
Detailed description of the invention
With detailed description of the invention, this utility model is described in further detail below in conjunction with the accompanying drawings.
Large-power optical fiber wire jumper as shown in Figure 1 to Figure 3, including wire body 1 and joint 2, joint 2 is arranged on the two ends of wire body 1, and wire body 1 includes the metal hose that the fibre core 11 being made up of fibre core and covering and outer layer shield.The earth silicon material that wherein fibre core is not less than 99.999% by purity is made；Covering is made up of the plastic substrate of refractive index no more than 0.40, to ensure that fiber numerical aperture is not less than 0.37；The end face 12 of fibre core 11 be the angle with vertical plane be inclined-plane and the surface coating at oblique 8 ° of angles (i.e. the angle a with the horizontal plane at fibre core axis place is 82 °), Coating Materials is the optical crystal material that refractive index is consistent with the refractive index of fibre core and thermal coefficient of expansion with thermal coefficient of expansion；A diameter of 200 or 400 μm of fibre core, a diameter of 1.0mm of optical fiber hard-pressed bale.
Joint 2 is made up of sapphire ring 21 and the copper sleeve 22 of interference fit, and sapphire ring 21 is arranged on the inside of copper sleeve 22, in the termination of fiber core 11 is arranged on sapphire ring 21 and with sapphire ring 21 interference fit.
The permissible processing method of above-mentioned large-power optical fiber wire jumper comprises the steps of:
1) peel off-fiber core is separated from external protection suitable length；
2) grind
21) pouncing paper of corase grind-employing a diameter of 50 μm of abrasive grains is roughly ground；
22) diameter of fine grinding-employing abrasive grains pouncing paper between 50 μm and 1 μm carries out fine grinding；
23) fine grinding-use the pouncing paper of a diameter of 1 μm of abrasive grains to refine, and core end surface grinds to form the angle with vertical plane is the inclined-plane that oblique 8 ° of angles and surface undulation are not more than 3 μm.
5) detection-use interferometer to carry out detecting core end surface waviness；
6) plated film-film coating environment: temperature 250 DEG C, oxygenation 20sccm, background vacuum 0.002Pa；Physical vapor deposition mode is used to deposit 1.5～4 minutes under above-mentioned film coating environment；
7) detection-use continuous light 100W totally 20 seconds and the pulsed light 10W/0.5 second, under dustfree environment, the big luminous power of optical fiber is carried out real inspection by property, microscope is observed after having detected more than 200 times the integrity of fiber end face, substandard product returns and re-grinds, and qualified product seals and preserves；
8) assemble-qualified product is assembled with described joint 2.
Above example is for understanding that the present invention is used; it it is not limitation of the present invention; those of ordinary skill about field; on the basis of technical scheme described in claim; multiple change or modification can also be made; the Coating Materials of the such as present invention can be silicon dioxide, aluminium sesquioxide, BLC crystal or other have in satisfactory optical crystal any one, these changes or modification should be understood to still fall within protection scope of the present invention.
Claims (5)
1. a large-power optical fiber wire jumper, including wire body and joint, described joint is arranged on the two ends of wire body, and described wire body includes the metal hose that the core pack arrangement layer being made up of fibre core and covering and outer layer shield, it is characterised in that:
Described joint is made up of sapphire ring and the copper sleeve of interference fit, described sapphire ring is arranged on the inside of described copper sleeve, the termination of described fiber core be arranged in described sapphire ring and with described sapphire ring interference fit, described fibre core is made up of the purity earth silicon material not less than 99.999%；Described covering is made up of the plastic substrate of refractive index no more than 0.40；The end face of described fibre core is an inclined-plane and surface coating, and described Coating Materials is the optical crystal that refractive index is consistent with the refractive index of fibre core and thermal coefficient of expansion with thermal coefficient of expansion；The diameter of described fibre core is between 200-400 μm, and described optical fiber hard-pressed bale diameter is not more than 1mm；The end face of described fibre core and the angle of vertical plane are oblique 8 ° of angles.
2. process a processing method for large-power optical fiber wire jumper described in claim 1, it is characterized in that: described processing method comprises the steps of:
1) peel off-fiber core is separated from external protection suitable length；
2) grinding--it is the inclined-plane that oblique 8 ° of angles and surface undulation are not more than 3 μm that core end surface grinds to form the angle with vertical plane；
3) detection-use interferometer to carry out detecting core end surface waviness；
4) plated film-film coating environment: temperature 200～300 DEG C, oxygenation 10～30sccm, background vacuum is not more than 0.05Pa；Physical vapor deposition mode is used to deposit 1.5～4 minutes under above-mentioned film coating environment；
5) detection--use continuous light not less than 100W totally 20 seconds and pulsed light not less than the 10W/0.5 second, under dustfree environment, the big luminous power of optical fiber is carried out real inspection by property, microscope is observed after having detected more than 200 times the integrity of fiber end face, substandard product returns and re-grinds, and qualified product seals and preserves；
6) assemble-qualified product is assembled with the joint described in claim 1.
The processing method of large-power optical fiber wire jumper the most according to claim 2, is characterized in that: described film coating environment is: temperature 250 DEG C, oxygenation 20sccm, background vacuum 0.002Pa；Physical vapor deposition mode is used to deposit 1.5～4 minutes under above-mentioned film coating environment.
The processing method of large-power optical fiber wire jumper the most according to claim 2, is characterized in that: described detecting step uses continuous light 100W totally 20 seconds and the pulsed light 10W/0.5 second to detect.
5., according to the processing method of the large-power optical fiber wire jumper described in claim 2 to 4 any one, it is characterized in that: described step 2 comprises the steps:
21) pouncing paper of corase grind-employing a diameter of 50 μm of abrasive grains is roughly ground；
22) diameter of fine grinding-employing abrasive grains pouncing paper between 50 μm and 1 μm carries out fine grinding；
23) fine grinding-use the pouncing paper of a diameter of 1 μm of abrasive grains to refine, and core end surface grinds to form the angle with vertical plane is the inclined-plane that oblique 8 ° of angles and surface undulation are not more than 3 μm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201110276442.5A CN102998752B (en) | 2011-09-16 | 2011-09-16 | A kind of high-power optical fiber transmission jumper and preparation method thereof |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201110276442.5A CN102998752B (en) | 2011-09-16 | 2011-09-16 | A kind of high-power optical fiber transmission jumper and preparation method thereof |
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| CN102998752A CN102998752A (en) | 2013-03-27 |
| CN102998752B true CN102998752B (en) | 2016-08-03 |
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Families Citing this family (4)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN106353857A (en) * | 2016-11-01 | 2017-01-25 | 天津恒瑜晶体材料股份有限公司 | Improved structure of high-power optical fiber sapphire coupling connector |
| CN108008484A (en) * | 2017-12-14 | 2018-05-08 | 中国工程物理研究院激光聚变研究中心 | A kind of simple making method of large-diameter fibre-optical wire jumper |
| CN112711094A (en) * | 2020-12-28 | 2021-04-27 | 昂纳信息技术（深圳）有限公司 | Non-contact jumper wire measuring method |
| CN115421261B (en) * | 2022-09-28 | 2023-07-28 | 深圳新联胜光电科技有限公司 | Film-coated optical fiber photoelectric conversion module based on sealing technology |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201083858Y (en) * | 2007-08-29 | 2008-07-09 | 深圳市恒捷丰光电科技有限公司 | Flexible metal optical fiber line movable connector |
| CN101750676A (en) * | 2010-01-15 | 2010-06-23 | 清华大学 | Method for coating film on optical fiber end face |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS58152212A (en) * | 1982-03-05 | 1983-09-09 | Nec Corp | Optical connector |
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Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201083858Y (en) * | 2007-08-29 | 2008-07-09 | 深圳市恒捷丰光电科技有限公司 | Flexible metal optical fiber line movable connector |
| CN101750676A (en) * | 2010-01-15 | 2010-06-23 | 清华大学 | Method for coating film on optical fiber end face |
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Effective date of registration: 20170307 Address after: 518000 Guangdong city of Shenzhen province Baoan District Shiyan street community size Dragon Bay industrial area Yuechang factory building 2, 3 floor 1 Patentee after: Shenzhen Haiwei Photoelectric Technology Co. Ltd. Address before: 518055 Guangdong city of Shenzhen province Nanshan District Xili Town, Rachel garden 8A402 Patentee before: Luo Wei |
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