DE69600434D1 - Verfahren zum Herstellen von einer, mit einem bei niedriger Temperatur schmelzendem Glaskern, optischen Faser - Google Patents

Verfahren zum Herstellen von einer, mit einem bei niedriger Temperatur schmelzendem Glaskern, optischen Faser

Info

Publication number
DE69600434D1
DE69600434D1 DE69600434T DE69600434T DE69600434D1 DE 69600434 D1 DE69600434 D1 DE 69600434D1 DE 69600434 T DE69600434 T DE 69600434T DE 69600434 T DE69600434 T DE 69600434T DE 69600434 D1 DE69600434 D1 DE 69600434D1
Authority
DE
Germany
Prior art keywords
producing
optical fiber
low temperature
glass core
core melting
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
DE69600434T
Other languages
English (en)
Other versions
DE69600434T2 (de
Inventor
Allan James Bruce
David John Digiovanni
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.)
AT&T Corp
Original Assignee
AT&T Corp
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 AT&T Corp filed Critical AT&T Corp
Publication of DE69600434D1 publication Critical patent/DE69600434D1/de
Application granted granted Critical
Publication of DE69600434T2 publication Critical patent/DE69600434T2/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
    • C03B37/0124—Means for reducing the diameter of rods or tubes by drawing, e.g. for preform draw-down
    • 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
    • C03B37/01245—Means for reducing the diameter of rods or tubes by drawing, e.g. for preform draw-down by drawing and collapsing
    • 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
    • C03B37/01265—Manufacture of preforms for drawing fibres or filaments starting entirely or partially from molten glass, e.g. by dipping a preform in a melt
    • C03B37/01274—Manufacture of preforms for drawing fibres or filaments starting entirely or partially from molten glass, e.g. by dipping a preform in a melt by extrusion or drawing
    • C—CHEMISTRY; METALLURGY
    • C03—GLASS; MINERAL OR SLAG WOOL
    • C03B—MANUFACTURE, SHAPING, OR SUPPLEMENTARY PROCESSES
    • C03B2201/00—Type of glass produced
    • C03B2201/02—Pure silica glass, e.g. pure fused quartz
    • C—CHEMISTRY; METALLURGY
    • C03—GLASS; MINERAL OR SLAG WOOL
    • C03B—MANUFACTURE, SHAPING, OR SUPPLEMENTARY PROCESSES
    • C03B2201/00—Type of glass produced
    • C03B2201/06—Doped silica-based glasses
    • C03B2201/30—Doped silica-based glasses doped with metals, e.g. Ga, Sn, Sb, Pb or Bi
    • C03B2201/31—Doped silica-based glasses doped with metals, e.g. Ga, Sn, Sb, Pb or Bi doped with germanium
    • C—CHEMISTRY; METALLURGY
    • C03—GLASS; MINERAL OR SLAG WOOL
    • C03B—MANUFACTURE, SHAPING, OR SUPPLEMENTARY PROCESSES
    • C03B2201/00—Type of glass produced
    • C03B2201/06—Doped silica-based glasses
    • C03B2201/30—Doped silica-based glasses doped with metals, e.g. Ga, Sn, Sb, Pb or Bi
    • C03B2201/32—Doped silica-based glasses doped with metals, e.g. Ga, Sn, Sb, Pb or Bi doped with aluminium
    • C—CHEMISTRY; METALLURGY
    • C03—GLASS; MINERAL OR SLAG WOOL
    • C03B—MANUFACTURE, SHAPING, OR SUPPLEMENTARY PROCESSES
    • C03B2201/00—Type of glass produced
    • C03B2201/06—Doped silica-based glasses
    • C03B2201/30—Doped silica-based glasses doped with metals, e.g. Ga, Sn, Sb, Pb or Bi
    • C03B2201/34—Doped silica-based glasses doped with metals, e.g. Ga, Sn, Sb, Pb or Bi doped with rare earth metals, i.e. with Sc, Y or lanthanides, e.g. for laser-amplifiers
    • C—CHEMISTRY; METALLURGY
    • C03—GLASS; MINERAL OR SLAG WOOL
    • C03B—MANUFACTURE, SHAPING, OR SUPPLEMENTARY PROCESSES
    • C03B2201/00—Type of glass produced
    • C03B2201/06—Doped silica-based glasses
    • C03B2201/30—Doped silica-based glasses doped with metals, e.g. Ga, Sn, Sb, Pb or Bi
    • C03B2201/34—Doped silica-based glasses doped with metals, e.g. Ga, Sn, Sb, Pb or Bi doped with rare earth metals, i.e. with Sc, Y or lanthanides, e.g. for laser-amplifiers
    • C03B2201/36—Doped silica-based glasses doped with metals, e.g. Ga, Sn, Sb, Pb or Bi doped with rare earth metals, i.e. with Sc, Y or lanthanides, e.g. for laser-amplifiers doped with rare earth metals and aluminium, e.g. Er-Al co-doped
    • C—CHEMISTRY; METALLURGY
    • C03—GLASS; MINERAL OR SLAG WOOL
    • C03B—MANUFACTURE, SHAPING, OR SUPPLEMENTARY PROCESSES
    • C03B2201/00—Type of glass produced
    • C03B2201/06—Doped silica-based glasses
    • C03B2201/30—Doped silica-based glasses doped with metals, e.g. Ga, Sn, Sb, Pb or Bi
    • C03B2201/50—Doped silica-based glasses doped with metals, e.g. Ga, Sn, Sb, Pb or Bi doped with alkali metals
    • C—CHEMISTRY; METALLURGY
    • C03—GLASS; MINERAL OR SLAG WOOL
    • C03B—MANUFACTURE, SHAPING, OR SUPPLEMENTARY PROCESSES
    • C03B2201/00—Type of glass produced
    • C03B2201/80—Non-oxide glasses or glass-type compositions
    • C03B2201/86—Chalcogenide glasses, i.e. S, Se or Te glasses

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)
  • Glass Compositions (AREA)
DE69600434T 1995-08-31 1996-08-21 Verfahren zum Herstellen von einer, mit einem bei niedriger Temperatur schmelzendem Glaskern, optischen Faser Expired - Fee Related DE69600434T2 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US08/521,934 US5609665A (en) 1995-08-31 1995-08-31 Method of making optical fiber with low melting glass core

Publications (2)

Publication Number Publication Date
DE69600434D1 true DE69600434D1 (de) 1998-08-20
DE69600434T2 DE69600434T2 (de) 1998-12-10

Family

ID=24078734

Family Applications (1)

Application Number Title Priority Date Filing Date
DE69600434T Expired - Fee Related DE69600434T2 (de) 1995-08-31 1996-08-21 Verfahren zum Herstellen von einer, mit einem bei niedriger Temperatur schmelzendem Glaskern, optischen Faser

Country Status (4)

Country Link
US (1) US5609665A (de)
EP (1) EP0761616B1 (de)
JP (1) JP3304262B2 (de)
DE (1) DE69600434T2 (de)

Families Citing this family (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6192713B1 (en) 1998-06-30 2001-02-27 Sdl, Inc. Apparatus for the manufacture of glass preforms
US6550279B1 (en) 2000-09-01 2003-04-22 Corning Incorporated Process for drawing optical fiber from a multiple crucible apparatus with a thermal gradient
DE10133475B4 (de) * 2001-07-10 2005-03-17 Kathleen Möhring Verfahren zur Herstellung einer Vorform zum Ziehen einer Glasfaser
US6588235B2 (en) 2001-08-30 2003-07-08 Corning Incorporated Method of centering a fiber core in a multiple-crucible method
AU2002342458A1 (en) 2001-11-15 2003-05-26 Universite Laval Array grating filters as segmented waveguide
US6993224B1 (en) 2001-11-15 2006-01-31 UNIVERSITé LAVAL Segmented waveguide array gratings (SWAG)-based archival optical memory
US20090193851A1 (en) * 2005-05-12 2009-08-06 Nitin Kumar Goel Core suction technique for the fabrication of optical fiber preforms
WO2014145426A1 (en) 2013-03-15 2014-09-18 Schott Corporation Optical fiber for the reduction of stimulated brillouin scattering in high-power applications
US9207397B2 (en) 2013-11-14 2015-12-08 Corning Incorporated Light diffusing fiber with low melting temperature glass
CN108732680B (zh) * 2018-04-18 2020-06-16 中国科学院西安光学精密机械研究所 单模双包层掺镝硫系玻璃光纤及其制备方法

Family Cites Families (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3485613A (en) * 1967-11-06 1969-12-23 Corning Glass Works Method of producing a vitreous body by crucibleless fluid zone treatment
US4063914A (en) * 1974-10-10 1977-12-20 U.S. Philips Corporation Method of producing an optical fiber
US4163654A (en) * 1978-04-21 1979-08-07 Exxon Research & Engineering Co. Method of manufacturing graded index optical fibers
US4277270A (en) * 1978-04-21 1981-07-07 Eotec Corporation Method of manufacture of optical fiber
JPS54143242A (en) * 1978-04-28 1979-11-08 Kokusai Denshin Denwa Co Ltd Optical fiber
US4196007A (en) * 1978-09-08 1980-04-01 Whittaker Corporation Jet printing ink
JPS6046253B2 (ja) * 1980-08-11 1985-10-15 本田技研工業株式会社 多連式気化器のスロツトルオプナ装置
DE3511450A1 (de) * 1985-03-29 1986-10-02 Philips Patentverwaltung Gmbh, 2000 Hamburg Verfahren und vorrichtung zur herstellung von glaskoerpern mittels strangpressen
DE3521119A1 (de) * 1985-06-13 1986-12-18 Heraeus Quarzschmelze Gmbh, 6450 Hanau Verfahren zur herstellung einer vorform fuer optische fasern und verwendung eines rohres aus quarzglas bzw. dotiertem quarzglas zur herstellung einer solchen vorform
US5106400A (en) * 1990-09-10 1992-04-21 Corning Incorporated Casting core/clad glass preforms method and apparatus
US5160521A (en) * 1991-06-21 1992-11-03 Tran Danh C Method for making optical fiber preforms

Also Published As

Publication number Publication date
JPH09142863A (ja) 1997-06-03
JP3304262B2 (ja) 2002-07-22
US5609665A (en) 1997-03-11
EP0761616A2 (de) 1997-03-12
EP0761616B1 (de) 1998-07-15
DE69600434T2 (de) 1998-12-10
EP0761616A3 (de) 1997-03-26

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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