CN103978418A - Polishing method for chalcogenide glass optical fibers with protective layers - Google Patents
Polishing method for chalcogenide glass optical fibers with protective layers Download PDFInfo
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- CN103978418A CN103978418A CN201410163732.2A CN201410163732A CN103978418A CN 103978418 A CN103978418 A CN 103978418A CN 201410163732 A CN201410163732 A CN 201410163732A CN 103978418 A CN103978418 A CN 103978418A
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- polishing
- chalcogenide glass
- glass fiber
- polishing fluid
- sand disk
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B24—GRINDING; POLISHING
- B24B—MACHINES, DEVICES, OR PROCESSES FOR GRINDING OR POLISHING; DRESSING OR CONDITIONING OF ABRADING SURFACES; FEEDING OF GRINDING, POLISHING, OR LAPPING AGENTS
- B24B29/00—Machines or devices for polishing surfaces on work by means of tools made of soft or flexible material with or without the application of solid or liquid polishing agents
- B24B29/02—Machines or devices for polishing surfaces on work by means of tools made of soft or flexible material with or without the application of solid or liquid polishing agents designed for particular workpieces
- B24B29/06—Machines or devices for polishing surfaces on work by means of tools made of soft or flexible material with or without the application of solid or liquid polishing agents designed for particular workpieces for elongated workpieces having uniform cross-section in one main direction
- B24B29/08—Machines or devices for polishing surfaces on work by means of tools made of soft or flexible material with or without the application of solid or liquid polishing agents designed for particular workpieces for elongated workpieces having uniform cross-section in one main direction the cross-section being circular, e.g. tubes, wires, needles
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B24—GRINDING; POLISHING
- B24B—MACHINES, DEVICES, OR PROCESSES FOR GRINDING OR POLISHING; DRESSING OR CONDITIONING OF ABRADING SURFACES; FEEDING OF GRINDING, POLISHING, OR LAPPING AGENTS
- B24B55/00—Safety devices for grinding or polishing machines; Accessories fitted to grinding or polishing machines for keeping tools or parts of the machine in good working condition
- B24B55/06—Dust extraction equipment on grinding or polishing machines
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Finish Polishing, Edge Sharpening, And Grinding By Specific Grinding Devices (AREA)
Abstract
The invention discloses a polishing method for chalcogenide glass optical fibers with protective layers. A piece of polishing paper is driven to rotate by a polishing disk of a polisher to directly frictionally cut a surface to be polished on a chalcogenide glass optical fiber with a protective layer, and in the process of polishing, organic polishing agent and inorganic polishing agent are used for alternately cleaning the polished surface. The polishing method has the advantages that the optical fiber-polishing paper with different diamond particle diameters is arranged on the polishing disk and driven by the polishing disk to rotate to directly frictionally cut the surface to be polished, the organic polishing agent and the inorganic polishing agent are used for alternately cleaning the polished surface in the process of polishing, the inorganic polishing agent can reduce the friction between the surface to be polished and the polishing paper, the organic polishing agent can clean off chips which are produced when the protective layer is cut, so that a lot of chips are effectively prevented from being stuck on the polishing paper to produce cracks on the core of the optical fiber during polishing, and the method can be directly used for polishing the chalcogenide glass optical fibers with the protective layers.
Description
Technical field
The present invention relates to a kind of finishing method of glass optical fiber, especially relate to a kind of finishing method for the chalcogenide glass fiber with protective layer.
Background technology
In optical fiber research, the processing of fiber end face is very crucial, and the fault of fiber end face, cut can make end face generation light scattering, reduces the coupling injection efficiency of incident light, and the polishing of fiber end face is extremely necessary.
Before traditional silica fibre polishing, the organic coat layer of coated quartz glass optical fiber must be peeled off, then bare fibre is inserted in the circular hole of quartzy lock pin, and with adhesive, bare fibre be fixed in the circular hole of lock pin and solidify, by after stretching out segment optical fiber outside hole and polishing, then by the polishing together with bare fibre of quartzy lock pin.In polishing process, the material of lock pin must be consistent with polished fibre, otherwise the effect that in polishing process, the material of optical fiber and lock pin cannot be accomplished synchronous polishing, and the chip that lock pin material grinds out also can damage optical fiber surface.Meanwhile, for preventing that adhesive from being corroded by organic solvent, cause optical fiber loosening, in polishing process, can only use inorganic solvent as polishing fluid.
The prerequisite of applying this technology is: first, the hardness of quartz glass is high, fibre core is thin, than chalcogenide glass fiber, is not easy fracture, easily peel off organic coat layer, and after removing protective layer, silica fibre intensity effect is little.Secondly, can find a kind of material identical with silica fibre fibre core material, make glass lock pin, with together polishing of quartz glass optical fiber.If patent publication No. is that finishing method in CN102300674A and CN101610875A inserts silica fibre in the joints of optical fibre (being lock pin) exactly, the joints of optical fibre are carried out to polishing.
Yet chalcogenide glass is the material that a kind of hardness is low, be easy to crackedly, to peel off in the process of protective layer (being coat) of chalcogenide glass fiber, chalcogenide glass fiber is easy to cracked.And the technique of making chalcogenide glass lock pin is very difficult, at home and abroad there is no at present the research of this respect.Chalcogenide glass component is a lot, if the chalcogenide glass fiber of each component is all used to the chalcogenide glass lock pin with its same composition, cost of manufacture is too high.So traditional optical fiber polishing method (as mentioned in patent CN102300674A and patent CN101610875A) is to chalcogenide glass fiber inapplicable.Domestic not yet have carry out the patent of polishing with covering chalcogenide glass fiber.
Summary of the invention
Technical problem to be solved by this invention is to provide a kind of finishing method for the chalcogenide glass fiber with protective layer, and this method does not need the protective layer of chalcogenide glass fiber to peel off, can be directly to the chalcogenide glass fiber with protective layer.
The present invention solves the problems of the technologies described above adopted technical scheme: a kind of finishing method for the chalcogenide glass fiber with protective layer, comprises following preparation process:
1. choose a polissoir, described polissoir comprises fiber orientation feed arrangement, driving governor, microscopy apparatus, for the sand disk(-sc) of various polishing papers is installed, for clamping clamping device and the cleaning device of chalcogenide glass fiber, described driving governor drives described sand disk(-sc) rotation, described clamping device is arranged on fiber orientation feed arrangement, described clamping device is positioned at the top of sand disk(-sc), and described microscopy apparatus is arranged on described sand disk(-sc) side.
2. by Special scissors, intercept the chalcogenide glass fiber of one end certain length, by described microscopy apparatus, observe the side of described chalcogenide glass fiber, inner without macroscopic fracture to guarantee described chalcogenide glass fiber;
3. diamond particles diameter is set on described sand disk(-sc) is the polishing paper that polishes of 300～500 μ m, described chalcogenide glass fiber is fixed in described clamping device, regulate described fiber orientation feed arrangement, make described chalcogenide glass fiber vertical with described sand disk(-sc), the end face of described chalcogenide glass fiber contacts gently with the described polishing paper that polishes;
Start described driving governor, make described sand disk(-sc) rotation, the described polishing paper that polishes grinds the end face of described chalcogenide glass fiber, by the rotational speed regulation of described sand disk(-sc), be 100～200r/min, milling time is controlled at 1～2min, in process of lapping, described cleaning device regularly adds inorganic polishing fluid and organic polishing fluid rinses, every 30～40s, add once inorganic polishing fluid, every 20～30s, add once organic polishing fluid, the volume ratio of each inorganic polishing fluid adding and each organic polishing fluid adding is 2:8;
4. the described polishing paper that polishes is unloaded on described sand disk(-sc), and on described sand disk(-sc), load onto the corase grind polishing paper that diamond particles diameter is 30～40 μ m, start described driving governor, make described sand disk(-sc) rotation, described corase grind polishing paper is roughly ground the end face of described chalcogenide glass fiber, by the rotational speed regulation of described sand disk(-sc), be 50～100r/min, milling time is controlled at 3～4min, in process of lapping, described cleaning device regularly adds inorganic polishing fluid and organic polishing fluid rinses, every 40～50s, add once inorganic polishing fluid, every 30～45s, add once organic polishing fluid, the volume ratio of each inorganic polishing fluid adding and each organic polishing fluid adding is 3:7,
5. described corase grind polishing paper is unloaded on described sand disk(-sc), and on described sand disk(-sc), load onto the fine grinding polishing paper that diamond particles diameter is 1～10 μ m, start described driving governor, make described sand disk(-sc) rotation, described fine grinding polishing paper carries out fine grinding to the end face of described chalcogenide glass fiber, by the rotational speed regulation of described sand disk(-sc), be 100～1000r/min, milling time is controlled at 5～6min, in process of lapping, described cleaning device regularly adds inorganic polishing fluid and organic polishing fluid rinses, every 45～55s, add once inorganic polishing fluid, every 55～65s, add once organic polishing fluid, the volume ratio of each inorganic polishing fluid adding and each organic polishing fluid adding is 8:2,
6. described fine grinding polishing paper is unloaded on described sand disk(-sc), and on described sand disk(-sc), load onto the fine-grinding and polishing paper that diamond particles diameter is 0.5 μ m, start described driving governor, make described sand disk(-sc) rotation, described fine grinding polishing paper carries out fine grinding to the end face of described chalcogenide glass fiber, by the rotational speed regulation of described sand disk(-sc), be 1000～2000r/min, milling time is controlled at 5～6min, in process of lapping, described cleaning device regularly adds inorganic polishing fluid and organic polishing fluid rinses, every 1～1.5min, add once inorganic polishing fluid, every 1～1.5min, add once organic polishing fluid, the volume ratio of each inorganic polishing fluid adding and each organic polishing fluid adding is 5:5.
Described inorganic polishing fluid is distilled water, and described organic polishing fluid is ethanol, and while using distilled water and ethanol, polishing effect is best.
The upper end of described clamping device is fixedly installed guide support bar, described guide support bar is perpendicular to sand disk(-sc), in described guide support bar, be provided with for wearing the through hole of chalcogenide glass fiber, fiber guides support bar, can prevent the fracture causing because rocking.
In described clamping device, be provided with beam, described chalcogenide glass fiber is through described beam, and beam can alleviate the vibrations that chalcogenide glass fiber is subject to, and prevents that optical fiber from shaking excessive while grinding and rupturing.
Described fiber orientation feed arrangement comprises three-dimensional rack and connecting rod, and described connecting rod one end is connected on three-dimensional rack, and described clamping device is fixed on the other end of connecting rod, can regulate at any time the stress between optical fiber polished end faces and polishing paper.
Described cleaning device comprises drain pipe, and the delivery port of described drain pipe is towards sand disk(-sc).
Described driving governor is connected with described sand disk(-sc) by elastic mechanism, and the sand disk(-sc) of traditional fiber polishing method does not have elasticity, if for polishing chalcogenide glass fiber, very easily makes chalcogenide glass fiber fracture.In this patent, sand disk(-sc) has upper and lower elasticity, and deformable scope is under high pressure: 10～100 μ m, are applicable to the polishing of chalcogenide glass fiber.
Compared with prior art, the invention has the advantages that the different optical fiber polishing paper of diamond particles diameter is set on sand disk(-sc), by polishing disk, drive polishing paper to rotate, directly there is friction cutting with polished, in process of lapping, use a kind of organic polishing fluid and a kind of inorganic polishing fluid to replace cleaning polishing face, inorganic polishing fluid can reduce the friction between polished and polishing paper, the chip producing when organic polishing fluid is cut protective layer washes, effectively prevent from being stained with on polishing paper a large amount of chips, while making to grind, on fiber core, crack, by the method, can directly to the chalcogenide glass fiber with protective layer, carry out polishing.
Accompanying drawing explanation
Fig. 1 is the end view drawing under 500 power microscopes after the polishing of Ge-Sb-Se optical fiber;
Fig. 2 is the structure chart of polissoir in the present invention.
The specific embodiment
Below in conjunction with accompanying drawing, embodiment is described in further detail the present invention.
In the present invention, announce a kind of finishing method for the chalcogenide glass fiber with protective layer, comprised following preparation process:
1. choose a polissoir, polissoir comprises fiber orientation feed arrangement 1, driving governor 2, microscopy apparatus 3, for the sand disk(-sc) 4 of various polishing papers is installed, for clamping clamping device 5 and the cleaning device 6 of chalcogenide glass fiber, driving governor 2 drives sand disk(-sc) 4 rotations, clamping device 5 is arranged on fiber orientation feed arrangement 1, clamping device 5 is positioned at the top of sand disk(-sc) 4, and microscopy apparatus 3 is arranged on sand disk(-sc) 4 sides.
2. by Special scissors, intercept the chalcogenide glass fiber of one end certain length, by microscopy apparatus 3, observe the sidewall of chalcogenide glass fiber, inner without macroscopic fracture to guarantee chalcogenide glass fiber;
3. diamond particles diameter is set on sand disk(-sc) 4 is the polishing paper that polishes of 300～500 μ m, chalcogenide glass fiber is fixed in clamping device 5, regulate fiber orientation feed arrangement 1, make chalcogenide glass fiber vertical with sand disk(-sc) 4, the end face of chalcogenide glass fiber with polish polishing paper and contact gently;
Start driving governor 2, make sand disk(-sc) 4 rotations, polishing polishing paper grinds the end face of chalcogenide glass fiber, by the rotational speed regulation of sand disk(-sc) 4, be 100～200r/min, milling time is controlled at 1～2min, in process of lapping, cleaning device 6 regularly adds distilled water and ethanol rinses, every 30～40s, add first water, every 20～30s, add an ethanol, the volume ratio of each distilled water adding and each ethanol adding is 2:8;
After grinding completes, 200 times of microscopy apparatus, observe fiber end face 3 times, guarantee that end face is smooth, can know fibre core and the covering of seeing optical fiber;
4. will polish polishing paper unloads on sand disk(-sc) 4, and the corase grind polishing paper that diamond particles diameter is 30～40 μ m is set on sand disk(-sc) 4, start driving governor 2, make sand disk(-sc) 4 rotations, corase grind polishing paper is roughly ground the end face of chalcogenide glass fiber, by the rotational speed regulation of sand disk(-sc) 4, be 50～100r/min, milling time is controlled at 3～4min, in process of lapping, cleaning device 6 regularly adds distilled water and ethanol rinses, every 40～50s, add first water, every 30～45s, add an ethanol, the volume ratio of each distilled water adding and each ethanol adding is 3:7,
After having roughly ground, 500 times of microscopy apparatus, observe fiber end face 3 times, guarantee to know fibre core and the covering of differentiating optical fiber, and end face only has a small amount of crackle;
5. corase grind polishing paper is unloaded on sand disk(-sc) 4, and the fine grinding polishing paper that diamond particles diameter is 1～10 μ m is set on sand disk(-sc) 4, start driving governor 2, make sand disk(-sc) 4 rotations, fine grinding polishing paper carries out fine grinding to the end face of chalcogenide glass fiber, by the rotational speed regulation of sand disk(-sc) 4, be 100～1000r/min, milling time is controlled at 5～6min, in process of lapping, cleaning device 6 regularly adds distilled water and ethanol rinses, every 45～55s, add first water, every 55～65s, add an ethanol, the volume ratio of each distilled water adding and each ethanol adding is 8:2,
After fine grinding completes, 500 times of microscopy apparatus, observe fiber end face 3 times, guarantee to know fibre core and the covering of seeing optical fiber, end face, without obvious crackle, only has a small amount of cut;
6. fine grinding polishing paper is unloaded on sand disk(-sc) 4, and the fine-grinding and polishing paper that diamond particles diameter is 0.5 μ m is set on sand disk(-sc) 4, start driving governor 2, make sand disk(-sc) 4 rotations, fine grinding polishing paper carries out fine grinding to the end face of chalcogenide glass fiber, by the rotational speed regulation of sand disk(-sc) 4, be 1000～2000r/min, milling time is controlled at 5～6min, in process of lapping, cleaning device 6 regularly adds distilled water and ethanol rinses, every 1～1.5min, add first water, every 1～1.5min, add an ethanol, the volume ratio of each distilled water adding and each ethanol adding is 5:5,
After having refined, under microscopy apparatus, observe fiber end face, guarantee that fiber end face is smooth, can know and see fiber end face structure, optical fiber coating and cladding regions are without obvious slight crack, and core region is without obvious slight crack, and optical fiber polishing completes.
In table 1, provided corresponding parameter in each step:
The corresponding parameter of the different polishing steps of table 1.
In the present embodiment, the upper end of clamping device 5 is fixedly installed guide support bar 7, and guide support bar 7, perpendicular to sand disk(-sc) 4, is provided with in guide support bar 7 for wearing the through hole of chalcogenide glass fiber, fiber guides support bar 7, can prevent the fracture causing because rocking.
In the present embodiment, be provided with beam 8 in clamping device 5, chalcogenide glass fiber is through beam 8, and beam 8 can alleviate the vibrations that chalcogenide glass fiber is subject to, and prevents that optical fiber from shaking excessive while grinding and rupturing.
In the present embodiment, fiber orientation feed arrangement 1 comprises three-dimensional rack 9 and connecting rod 10, and connecting rod 10 one end are connected on three-dimensional rack 9, and clamping device 5 is fixed on the other end of connecting rod, can regulate at any time the stress between optical fiber polished end faces and polishing paper.
In the present embodiment, cleaning device 6 comprises drain pipe 11, and the delivery port of drain pipe is towards sand disk(-sc) 4.
In the present embodiment, driving governor 2 is connected with sand disk(-sc) 4 by elastic mechanism, and the sand disk(-sc) of traditional fiber polishing method does not have elasticity, if for polishing chalcogenide glass fiber, very easily makes chalcogenide glass fiber fracture.In this patent, sand disk(-sc) has upper and lower elasticity, and deformable scope is under high pressure: 10～100 μ m, are applicable to the polishing of chalcogenide glass fiber.
Claims (7)
1. for a finishing method for the chalcogenide glass fiber with protective layer, it is characterized in that comprising following preparation process:
1. choose a polissoir, described polissoir comprises fiber orientation feed arrangement, driving governor, microscopy apparatus, for the sand disk(-sc) of various polishing papers is installed, for clamping clamping device and the cleaning device of chalcogenide glass fiber, described driving governor drives described sand disk(-sc) rotation, described clamping device is arranged on fiber orientation feed arrangement, described clamping device is positioned at the top of sand disk(-sc), and described microscopy apparatus is arranged on described sand disk(-sc) side.
2. by Special scissors, intercept the chalcogenide glass fiber of one end certain length, by described microscopy apparatus, observe the side of described chalcogenide glass fiber, inner without macroscopic fracture to guarantee described chalcogenide glass fiber;
3. diamond particles diameter is set on described sand disk(-sc) is the polishing paper that polishes of 300～500 μ m, described chalcogenide glass fiber is fixed in described clamping device, regulate described fiber orientation feed arrangement, make described chalcogenide glass fiber vertical with described sand disk(-sc), the end face of described chalcogenide glass fiber contacts gently with the described polishing paper that polishes;
Start described driving governor, make described sand disk(-sc) rotation, the described polishing paper that polishes grinds the end face of described chalcogenide glass fiber, by the rotational speed regulation of described sand disk(-sc), be 100～200r/min, milling time is controlled at 1～2min, in process of lapping, described cleaning device regularly adds inorganic polishing fluid and organic polishing fluid rinses, every 30～40s, add once inorganic polishing fluid, every 20～30s, add once organic polishing fluid, the volume ratio of each inorganic polishing fluid adding and each organic polishing fluid adding is 2:8;
4. the described polishing paper that polishes is unloaded on described sand disk(-sc), and on described sand disk(-sc), load onto the corase grind polishing paper that diamond particles diameter is 30～40 μ m, start described driving governor, make described sand disk(-sc) rotation, described corase grind polishing paper is roughly ground the end face of described chalcogenide glass fiber, by the rotational speed regulation of described sand disk(-sc), be 50～100r/min, milling time is controlled at 3～4min, in process of lapping, described cleaning device regularly adds inorganic polishing fluid and organic polishing fluid rinses, every 40～50s, add once inorganic polishing fluid, every 30～45s, add once organic polishing fluid, the volume ratio of each inorganic polishing fluid adding and each organic polishing fluid adding is 3:7,
5. described corase grind polishing paper is unloaded on described sand disk(-sc), and on described sand disk(-sc), load onto the fine grinding polishing paper that diamond particles diameter is 1～10 μ m, start described driving governor, make described sand disk(-sc) rotation, described fine grinding polishing paper carries out fine grinding to the end face of described chalcogenide glass fiber, by the rotational speed regulation of described sand disk(-sc), be 100～1000r/min, milling time is controlled at 5～6min, in process of lapping, described cleaning device regularly adds inorganic polishing fluid and organic polishing fluid rinses, every 45～55s, add once inorganic polishing fluid, every 55～65s, add once organic polishing fluid, the volume ratio of each inorganic polishing fluid adding and each organic polishing fluid adding is 8:2,
6. described fine grinding polishing paper is unloaded on described sand disk(-sc), and on described sand disk(-sc), load onto the fine-grinding and polishing paper that diamond particles diameter is 0.5 μ m, start described driving governor, make described sand disk(-sc) rotation, described fine grinding polishing paper carries out fine grinding to the end face of described chalcogenide glass fiber, by the rotational speed regulation of described sand disk(-sc), be 1000～2000r/min, milling time is controlled at 5～6min, in process of lapping, described cleaning device regularly adds inorganic polishing fluid and organic polishing fluid rinses, every 1～1.5min, add once inorganic polishing fluid, every 1～1.5min, add once organic polishing fluid, the volume ratio of each inorganic polishing fluid adding and each organic polishing fluid adding is 5:5.
2. a kind of finishing method for the chalcogenide glass fiber with protective layer according to claim 1, is characterized in that described inorganic polishing fluid is distilled water, and described organic polishing fluid is ethanol.
3. a kind of finishing method for the chalcogenide glass fiber with protective layer according to claim 1; the upper end that it is characterized in that described clamping device is fixedly installed guide support bar; described guide support bar, perpendicular to sand disk(-sc), is provided with for wearing the through hole of chalcogenide glass fiber in described guide support bar.
4. a kind of finishing method for the chalcogenide glass fiber with protective layer according to claim 3, is characterized in that being provided with beam in described clamping device, and described chalcogenide glass fiber is through described beam.
5. a kind of burnishing device for the chalcogenide glass fiber with protective layer according to claim 4; it is characterized in that described fiber orientation feed arrangement comprises three-dimensional rack and connecting rod; described connecting rod one end is connected on three-dimensional rack, and described clamping device is fixed on the other end of connecting rod.
6. a kind of burnishing device for the chalcogenide glass fiber with protective layer according to claim 1, is characterized in that described cleaning device comprises drain pipe, and the delivery port of described drain pipe is towards sand disk(-sc).
7. a kind of burnishing device for the chalcogenide glass fiber with protective layer according to claim 1, is characterized in that described driving governor is connected with described sand disk(-sc) by elastic mechanism.
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| CN201410163732.2A CN103978418B (en) | 2014-04-23 | 2014-04-23 | A kind of finishing method for the chalcogenide glass fiber with protective layer |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104589172A (en) * | 2014-12-24 | 2015-05-06 | 宁波大学 | Polishing method of chalcogenide glass |
| CN105108589A (en) * | 2015-07-21 | 2015-12-02 | 宁波大学 | Polishing method of glass sleeve for manufacturing chalcogenide glass optical fiber preform rod by rod-in-tube method |
| CN106000983A (en) * | 2016-05-16 | 2016-10-12 | 宁波大学 | Polishing method of chalcogenide glass optical fiber end face |
| CN113664667A (en) * | 2021-08-19 | 2021-11-19 | 宁波大学 | Side polishing method of chalcogenide glass optical fiber |
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| JP2008246568A (en) * | 2007-03-30 | 2008-10-16 | Fujitsu Ltd | Manufacturing apparatus and manufacturing method of needle for microinjection |
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| JPS62140755A (en) * | 1985-12-13 | 1987-06-24 | Nec Corp | Polishing method for optical connector |
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Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104589172A (en) * | 2014-12-24 | 2015-05-06 | 宁波大学 | Polishing method of chalcogenide glass |
| CN104589172B (en) * | 2014-12-24 | 2017-06-30 | 宁波大学 | A kind of polishing method of chalcogenide glass |
| CN105108589A (en) * | 2015-07-21 | 2015-12-02 | 宁波大学 | Polishing method of glass sleeve for manufacturing chalcogenide glass optical fiber preform rod by rod-in-tube method |
| CN105108589B (en) * | 2015-07-21 | 2017-10-10 | 宁波大学 | Rod-in-tube technique prepares the polishing method of chalcogenide glass fiber prefabricated rods glass bushing |
| CN106000983A (en) * | 2016-05-16 | 2016-10-12 | 宁波大学 | Polishing method of chalcogenide glass optical fiber end face |
| CN106000983B (en) * | 2016-05-16 | 2018-09-28 | 宁波大学 | A kind of polishing method of chalcogenide glass fiber end face |
| CN113664667A (en) * | 2021-08-19 | 2021-11-19 | 宁波大学 | Side polishing method of chalcogenide glass optical fiber |
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| Publication number | Publication date |
|---|---|
| CN103978418B (en) | 2016-05-04 |
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