JPS6218492B2 - - Google Patents
Info
- Publication number
- JPS6218492B2 JPS6218492B2 JP57147320A JP14732082A JPS6218492B2 JP S6218492 B2 JPS6218492 B2 JP S6218492B2 JP 57147320 A JP57147320 A JP 57147320A JP 14732082 A JP14732082 A JP 14732082A JP S6218492 B2 JPS6218492 B2 JP S6218492B2
- Authority
- JP
- Japan
- Prior art keywords
- quartz glass
- glass tube
- optical fiber
- polarization
- cladding
- 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.)
- Expired
Links
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 claims description 30
- 238000005253 cladding Methods 0.000 claims description 22
- 239000013307 optical fiber Substances 0.000 claims description 15
- 239000011162 core material Substances 0.000 claims description 14
- 239000000463 material Substances 0.000 claims description 14
- 238000004519 manufacturing process Methods 0.000 claims description 12
- 239000011521 glass Substances 0.000 claims description 11
- 238000000034 method Methods 0.000 claims description 9
- 238000010438 heat treatment Methods 0.000 claims description 6
- 230000010287 polarization Effects 0.000 claims description 2
- 230000010354 integration Effects 0.000 claims 1
- 238000010586 diagram Methods 0.000 description 4
- 230000008033 biological extinction Effects 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 239000000835 fiber Substances 0.000 description 1
- 238000011534 incubation Methods 0.000 description 1
- 238000003754 machining Methods 0.000 description 1
- 238000005498 polishing Methods 0.000 description 1
- 239000002994 raw material Substances 0.000 description 1
Classifications
-
- C—CHEMISTRY; METALLURGY
- C03—GLASS; MINERAL OR SLAG WOOL
- C03B—MANUFACTURE, SHAPING, OR SUPPLEMENTARY PROCESSES
- C03B37/00—Manufacture or treatment of flakes, fibres, or filaments from softened glass, minerals, or slags
- C03B37/01—Manufacture of glass fibres or filaments
- C03B37/012—Manufacture of preforms for drawing fibres or filaments
- C03B37/014—Manufacture of preforms for drawing fibres or filaments made entirely or partially by chemical means, e.g. vapour phase deposition of bulk porous glass either by outside vapour deposition [OVD], or by outside vapour phase oxidation [OVPO] or by vapour axial deposition [VAD]
- C03B37/018—Manufacture of preforms for drawing fibres or filaments made entirely or partially by chemical means, e.g. vapour phase deposition of bulk porous glass either by outside vapour deposition [OVD], or by outside vapour phase oxidation [OVPO] or by vapour axial deposition [VAD] by glass deposition on a glass substrate, e.g. by inside-, modified-, plasma-, or plasma modified- chemical vapour deposition [ICVD, MCVD, PCVD, PMCVD], i.e. by thin layer coating on the inside or outside of a glass tube or on a glass rod
- C03B37/01884—Means for supporting, rotating and translating tubes or rods being formed, e.g. lathes
-
- C—CHEMISTRY; METALLURGY
- C03—GLASS; MINERAL OR SLAG WOOL
- C03B—MANUFACTURE, SHAPING, OR SUPPLEMENTARY PROCESSES
- C03B37/00—Manufacture or treatment of flakes, fibres, or filaments from softened glass, minerals, or slags
- C03B37/01—Manufacture of glass fibres or filaments
- C03B37/012—Manufacture of preforms for drawing fibres or filaments
- C03B37/01205—Manufacture of preforms for drawing fibres or filaments starting from tubes, rods, fibres or filaments
- C03B37/01211—Manufacture of preforms for drawing fibres or filaments starting from tubes, rods, fibres or filaments by inserting one or more rods or tubes into a tube
- C03B37/01217—Manufacture of preforms for drawing fibres or filaments starting from tubes, rods, fibres or filaments by inserting one or more rods or tubes into a tube for making preforms of polarisation-maintaining optical fibres
-
- C—CHEMISTRY; METALLURGY
- C03—GLASS; MINERAL OR SLAG WOOL
- C03B—MANUFACTURE, SHAPING, OR SUPPLEMENTARY PROCESSES
- C03B37/00—Manufacture or treatment of flakes, fibres, or filaments from softened glass, minerals, or slags
- C03B37/01—Manufacture of glass fibres or filaments
- C03B37/012—Manufacture of preforms for drawing fibres or filaments
- C03B37/01205—Manufacture of preforms for drawing fibres or filaments starting from tubes, rods, fibres or filaments
- C03B37/01225—Means for changing or stabilising the shape, e.g. diameter, of tubes or rods in general, e.g. collapsing
- C03B37/01248—Means for changing or stabilising the shape, e.g. diameter, of tubes or rods in general, e.g. collapsing by collapsing without drawing
-
- C—CHEMISTRY; METALLURGY
- C03—GLASS; MINERAL OR SLAG WOOL
- C03B—MANUFACTURE, SHAPING, OR SUPPLEMENTARY PROCESSES
- C03B2203/00—Fibre product details, e.g. structure, shape
- C03B2203/30—Polarisation maintaining [PM], i.e. birefringent products, e.g. with elliptical core, by use of stress rods, "PANDA" type fibres
Landscapes
- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Materials Engineering (AREA)
- Geochemistry & Mineralogy (AREA)
- Manufacturing & Machinery (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Organic Chemistry (AREA)
- Chemical Kinetics & Catalysis (AREA)
- General Chemical & Material Sciences (AREA)
- Optical Fibers, Optical Fiber Cores, And Optical Fiber Bundles (AREA)
- Glass Melting And Manufacturing (AREA)
- Manufacture, Treatment Of Glass Fibers (AREA)
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP57147320A JPS5939736A (ja) | 1982-08-25 | 1982-08-25 | 偏波面保存光フアイバ母材の製造法 |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP57147320A JPS5939736A (ja) | 1982-08-25 | 1982-08-25 | 偏波面保存光フアイバ母材の製造法 |
Publications (2)
Publication Number | Publication Date |
---|---|
JPS5939736A JPS5939736A (ja) | 1984-03-05 |
JPS6218492B2 true JPS6218492B2 (zh) | 1987-04-23 |
Family
ID=15427513
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP57147320A Granted JPS5939736A (ja) | 1982-08-25 | 1982-08-25 | 偏波面保存光フアイバ母材の製造法 |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPS5939736A (zh) |
Families Citing this family (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS5981230U (ja) * | 1982-11-24 | 1984-06-01 | 住友電気工業株式会社 | 熱収縮性チユ−ブ |
JPS61251535A (ja) * | 1985-04-27 | 1986-11-08 | Fujitsu Ltd | 定偏波シングルモ−ドフアイバの製造方法 |
US4859727A (en) * | 1986-08-22 | 1989-08-22 | Mitsubishi Rayon Company Ltd. | Antistatic thermoplastic resin composition |
DE3784202T2 (de) * | 1986-09-08 | 1993-09-09 | Mitsubishi Rayon Co | Gegossene platte aus methacrylharz mit guten antistatischen eigenschaften und verfahren zu deren herstellung. |
JPH0764940B2 (ja) * | 1986-09-16 | 1995-07-12 | 三菱レイヨン株式会社 | 帯電防止性に優れた合成樹脂成形品の製造法 |
FR2649690B1 (fr) * | 1989-07-11 | 1994-01-28 | Cie Generale D Electricite | Procede de fabrication de preformes pour fibres optiques sans symetrie de revolution |
-
1982
- 1982-08-25 JP JP57147320A patent/JPS5939736A/ja active Granted
Also Published As
Publication number | Publication date |
---|---|
JPS5939736A (ja) | 1984-03-05 |
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