DE60125093D1 - Verfahren zum herstellen einer optischen Faser mit gesteuerten Übertragungseigenschaften - Google Patents
Verfahren zum herstellen einer optischen Faser mit gesteuerten ÜbertragungseigenschaftenInfo
- Publication number
- DE60125093D1 DE60125093D1 DE60125093T DE60125093T DE60125093D1 DE 60125093 D1 DE60125093 D1 DE 60125093D1 DE 60125093 T DE60125093 T DE 60125093T DE 60125093 T DE60125093 T DE 60125093T DE 60125093 D1 DE60125093 D1 DE 60125093D1
- Authority
- DE
- Germany
- Prior art keywords
- producing
- optical fiber
- transmission properties
- controlled transmission
- variations
- 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 - Fee Related
Links
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
- C03B37/02—Manufacture of glass fibres or filaments by drawing or extruding, e.g. direct drawing of molten glass from nozzles; Cooling fins therefor
- C03B37/025—Manufacture of glass fibres or filaments by drawing or extruding, e.g. direct drawing of molten glass from nozzles; Cooling fins therefor from reheated softened tubes, rods, fibres or filaments, e.g. drawing fibres from preforms
- C03B37/0253—Controlling or regulating
-
- C—CHEMISTRY; METALLURGY
- C03—GLASS; MINERAL OR SLAG WOOL
- C03B—MANUFACTURE, SHAPING, OR SUPPLEMENTARY PROCESSES
- C03B2203/00—Fibre product details, e.g. structure, shape
- C03B2203/02—External structure or shape details
- C03B2203/06—Axial perturbations, e.g. twist, by torsion, undulating, crimped
-
- C—CHEMISTRY; METALLURGY
- C03—GLASS; MINERAL OR SLAG WOOL
- C03B—MANUFACTURE, SHAPING, OR SUPPLEMENTARY PROCESSES
- C03B2203/00—Fibre product details, e.g. structure, shape
- C03B2203/10—Internal structure or shape details
- C03B2203/18—Axial perturbations, e.g. in refractive index or composition
-
- C—CHEMISTRY; METALLURGY
- C03—GLASS; MINERAL OR SLAG WOOL
- C03B—MANUFACTURE, SHAPING, OR SUPPLEMENTARY PROCESSES
- C03B2205/00—Fibre drawing or extruding details
- C03B2205/40—Monitoring or regulating the draw tension or draw rate
-
- C—CHEMISTRY; METALLURGY
- C03—GLASS; MINERAL OR SLAG WOOL
- C03B—MANUFACTURE, SHAPING, OR SUPPLEMENTARY PROCESSES
- C03B2205/00—Fibre drawing or extruding details
- C03B2205/42—Drawing at high speed, i.e. > 10 m/s
-
- C—CHEMISTRY; METALLURGY
- C03—GLASS; MINERAL OR SLAG WOOL
- C03B—MANUFACTURE, SHAPING, OR SUPPLEMENTARY PROCESSES
- C03B2205/00—Fibre drawing or extruding details
- C03B2205/44—Monotoring or regulating the preform feed rate
Landscapes
- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Geochemistry & Mineralogy (AREA)
- Manufacturing & Machinery (AREA)
- Materials Engineering (AREA)
- Organic Chemistry (AREA)
- Manufacture, Treatment Of Glass Fibers (AREA)
- Surface Treatment Of Glass Fibres Or Filaments (AREA)
- Optical Fibers, Optical Fiber Cores, And Optical Fiber Bundles (AREA)
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FR0006694A FR2809386B1 (fr) | 2000-05-25 | 2000-05-25 | Procede de fabrication d'une fibre optique avec controle des caracteristiques de transmission |
FR0006694 | 2000-05-25 |
Publications (2)
Publication Number | Publication Date |
---|---|
DE60125093D1 true DE60125093D1 (de) | 2007-01-25 |
DE60125093T2 DE60125093T2 (de) | 2007-06-21 |
Family
ID=8850609
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
DE60125093T Expired - Fee Related DE60125093T2 (de) | 2000-05-25 | 2001-05-07 | Verfahren zum Herstellen einer optischen Faser mit gesteuerten Übertragungseigenschaften |
Country Status (6)
Country | Link |
---|---|
US (1) | US6910351B2 (de) |
EP (1) | EP1160211B1 (de) |
AT (1) | ATE348084T1 (de) |
DE (1) | DE60125093T2 (de) |
DK (1) | DK1160211T3 (de) |
FR (1) | FR2809386B1 (de) |
Families Citing this family (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US20040093905A1 (en) * | 2001-01-11 | 2004-05-20 | Motonori Nakamura | Method for producing optical fiber base material |
WO2003066537A1 (en) * | 2001-12-19 | 2003-08-14 | Pirelli & C. S.P.A. | Process for determining the drawing tension in the manufacturing of an optical fibre |
US9481599B2 (en) * | 2010-12-21 | 2016-11-01 | Corning Incorporated | Method of making a multimode optical fiber |
WO2020236445A1 (en) * | 2019-05-17 | 2020-11-26 | Corning Incorporated | Methods of manufacturing an optical fiber using axial tension control to reduce axial variations in optical properties |
Family Cites Families (18)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4102661A (en) * | 1977-03-03 | 1978-07-25 | Bell Telephone Laboratories, Incorporated | Caustic ray use of the drawdown zone of an optical fiber preform to control the drawing of the fiber |
US4294601A (en) * | 1979-07-13 | 1981-10-13 | Times Fiber Communications, Inc. | Apparatus and process for automatic control of the production of optical fiber |
JPS56121003A (en) * | 1980-02-29 | 1981-09-22 | Hitachi Ltd | Single-mode transmitting optical fiber and its manufacture |
US4307296A (en) * | 1980-04-14 | 1981-12-22 | Bell Telephone Laboratories, Incorporated | Method of observing the core region of optical fibers and preforms |
US4362943A (en) * | 1980-09-08 | 1982-12-07 | Bell Telephone Laboratories, Incorporated | Method of measuring the refractive index profile and the core diameter of optical fibers and preforms |
JPS6027616A (ja) * | 1983-07-20 | 1985-02-12 | Santetsuku Kk | 光フアイバの製造装置及びその製造方法 |
IN169141B (de) * | 1985-08-21 | 1991-09-07 | Stc Plc | |
JPS6385021A (ja) * | 1986-09-26 | 1988-04-15 | Hitachi Cable Ltd | 低分散低損失単一モ−ド光フアイバの製造方法 |
JP2582062B2 (ja) * | 1987-01-26 | 1997-02-19 | 日本電信電話株式会社 | 光ファイバの線引き方法 |
GB2238536A (en) * | 1989-11-29 | 1991-06-05 | Plessey Telecomm | Manufacture of optical fibre preforms |
JP2584151B2 (ja) * | 1991-06-11 | 1997-02-19 | 株式会社フジクラ | 光ファイバ |
JPH05178634A (ja) * | 1991-08-13 | 1993-07-20 | Fujikura Ltd | 光ファイバ母材の有効部判定方法 |
JPH06227838A (ja) * | 1993-02-03 | 1994-08-16 | Furukawa Electric Co Ltd:The | 光ファイバの製造方法 |
JP3511811B2 (ja) * | 1996-07-31 | 2004-03-29 | 住友電気工業株式会社 | 光ファイバの製造方法 |
US6131414A (en) * | 1997-05-13 | 2000-10-17 | Shin-Etsu Chemical Co., Ltd. | Method for making a preform for optical fibers by drawing a mother ingot |
AU3552599A (en) * | 1998-04-22 | 1999-11-08 | Corning Incorporated | Method of making optical fibers |
JP3438775B2 (ja) * | 2000-02-01 | 2003-08-18 | 住友電気工業株式会社 | 光ファイバ製造方法 |
US6553790B1 (en) * | 2000-05-09 | 2003-04-29 | Fitel Usa Corp. | Process for fabricating optical fiber involving tuning of core diameter profile |
-
2000
- 2000-05-25 FR FR0006694A patent/FR2809386B1/fr not_active Expired - Fee Related
-
2001
- 2001-05-07 DE DE60125093T patent/DE60125093T2/de not_active Expired - Fee Related
- 2001-05-07 DK DK01401168T patent/DK1160211T3/da active
- 2001-05-07 EP EP01401168A patent/EP1160211B1/de not_active Expired - Lifetime
- 2001-05-07 AT AT01401168T patent/ATE348084T1/de not_active IP Right Cessation
- 2001-05-11 US US09/852,651 patent/US6910351B2/en not_active Expired - Fee Related
Also Published As
Publication number | Publication date |
---|---|
US6910351B2 (en) | 2005-06-28 |
FR2809386A1 (fr) | 2001-11-30 |
DK1160211T3 (da) | 2007-03-26 |
US20020002845A1 (en) | 2002-01-10 |
DE60125093T2 (de) | 2007-06-21 |
EP1160211B1 (de) | 2006-12-13 |
EP1160211A1 (de) | 2001-12-05 |
ATE348084T1 (de) | 2007-01-15 |
FR2809386B1 (fr) | 2003-01-17 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
8364 | No opposition during term of opposition | ||
8339 | Ceased/non-payment of the annual fee |