DE60314472D1 - Verfahren zur Herstellung von Vorformen für optische Fasern - Google Patents

Verfahren zur Herstellung von Vorformen für optische Fasern

Info

Publication number
DE60314472D1
DE60314472D1 DE60314472T DE60314472T DE60314472D1 DE 60314472 D1 DE60314472 D1 DE 60314472D1 DE 60314472 T DE60314472 T DE 60314472T DE 60314472 T DE60314472 T DE 60314472T DE 60314472 D1 DE60314472 D1 DE 60314472D1
Authority
DE
Germany
Prior art keywords
optical fibers
preform
preforms
producing preforms
mean diameter
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
Application number
DE60314472T
Other languages
English (en)
Other versions
DE60314472T2 (de
Inventor
Jacques Jolly
Jean-Florent Campion
Virginie Herchuelz
Remi Fauche
Eric Tutin
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Draka Comteq BV
Original Assignee
Draka Comteq BV
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Draka Comteq BV filed Critical Draka Comteq BV
Application granted granted Critical
Publication of DE60314472D1 publication Critical patent/DE60314472D1/de
Publication of DE60314472T2 publication Critical patent/DE60314472T2/de
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

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
    • C03B37/012—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
    • C03B37/01254—Means for changing or stabilising the shape, e.g. diameter, of tubes or rods in general, e.g. collapsing by expanding radially, e.g. by forcing a mandrel through or axial pressing a tube or rod
    • 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
    • C03B37/0124—Means for reducing the diameter of rods or tubes by drawing, e.g. for preform draw-down
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
    • Y02P40/00—Technologies relating to the processing of minerals
    • Y02P40/50—Glass production, e.g. reusing waste heat during processing or shaping
    • Y02P40/57—Improving the yield, e-g- reduction of reject rates

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)
DE60314472T 2002-04-29 2003-04-15 Verfahren zur Herstellung von Vorformen für optische Fasern Expired - Fee Related DE60314472T2 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
FR0205374 2002-04-29
FR0205374A FR2839063B1 (fr) 2002-04-29 2002-04-29 Procede de fabrication de preformes de fibres optiques

Publications (2)

Publication Number Publication Date
DE60314472D1 true DE60314472D1 (de) 2007-08-02
DE60314472T2 DE60314472T2 (de) 2008-02-14

Family

ID=28800024

Family Applications (1)

Application Number Title Priority Date Filing Date
DE60314472T Expired - Fee Related DE60314472T2 (de) 2002-04-29 2003-04-15 Verfahren zur Herstellung von Vorformen für optische Fasern

Country Status (8)

Country Link
US (1) US20030200769A1 (de)
EP (1) EP1359127B1 (de)
JP (1) JP2004026638A (de)
CN (1) CN1209307C (de)
AT (1) ATE365148T1 (de)
DE (1) DE60314472T2 (de)
DK (1) DK1359127T3 (de)
FR (1) FR2839063B1 (de)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP1544173A1 (de) * 2003-12-11 2005-06-22 FITEL USA CORPORATION (a Delaware Corporation) Glasvorform für optische Fasern sowie Verfahren und Vorrichtung zu ihrer Herstellung
CN100334023C (zh) * 2005-07-21 2007-08-29 长飞光纤光缆有限公司 大尺寸光纤预制棒的制备方法

Family Cites Families (14)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3865564A (en) * 1973-07-09 1975-02-11 Bell Telephone Labor Inc Fabrication of glass fibers from preform by lasers
JPS6022652B2 (ja) * 1978-09-28 1985-06-03 住友電気工業株式会社 光伝送用ガラスフアイバ−の製造方法
JPS6046941A (ja) * 1983-08-25 1985-03-14 Sumitomo Electric Ind Ltd 光フアイバ−用プリフオ−ムの製造方法
JPS61201633A (ja) * 1985-03-04 1986-09-06 Sumitomo Electric Ind Ltd マルチコア光フアイバの製造方法
CA1294802C (en) * 1986-06-04 1992-01-28 Benjamin J. Ainslie Optical waveguides and their manufacture
US5064577A (en) * 1987-09-18 1991-11-12 Soane Technologies, Inc. Method of spinning optical fibers
US5222180A (en) * 1992-10-29 1993-06-22 Hoechst Celanese Corp. Polymer optical fibre bundle and method of making same
WO1997030944A1 (en) * 1996-02-23 1997-08-28 Corning Incorporated Method of making dispersion decreasing and dispersion managed optical fiber
JP3159116B2 (ja) * 1997-04-11 2001-04-23 住友電気工業株式会社 ガラス母材の延伸機および延伸方法
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
JP3777746B2 (ja) * 1997-09-26 2006-05-24 住友電気工業株式会社 ガラス母材の延伸方法
US6314765B1 (en) * 1998-10-06 2001-11-13 Alcatel Method and apparatus for controlling the shape and position of a deformable object
JP3105206B2 (ja) * 1999-03-11 2000-10-30 信越化学工業株式会社 ガラスロッドの加工方法
US6553790B1 (en) * 2000-05-09 2003-04-29 Fitel Usa Corp. Process for fabricating optical fiber involving tuning of core diameter profile

Also Published As

Publication number Publication date
FR2839063A1 (fr) 2003-10-31
FR2839063B1 (fr) 2005-01-07
DE60314472T2 (de) 2008-02-14
US20030200769A1 (en) 2003-10-30
DK1359127T3 (da) 2007-09-17
CN1454859A (zh) 2003-11-12
EP1359127A1 (de) 2003-11-05
JP2004026638A (ja) 2004-01-29
EP1359127B1 (de) 2007-06-20
ATE365148T1 (de) 2007-07-15
CN1209307C (zh) 2005-07-06

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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