GB2082568B - Lightguide preform fabrication - Google Patents

Lightguide preform fabrication

Info

Publication number
GB2082568B
GB2082568B GB8125858A GB8125858A GB2082568B GB 2082568 B GB2082568 B GB 2082568B GB 8125858 A GB8125858 A GB 8125858A GB 8125858 A GB8125858 A GB 8125858A GB 2082568 B GB2082568 B GB 2082568B
Authority
GB
United Kingdom
Prior art keywords
preform fabrication
lightguide preform
lightguide
fabrication
preform
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
Application number
GB8125858A
Other versions
GB2082568A (en
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
Western Electric Co Inc
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 Western Electric Co Inc filed Critical Western Electric Co Inc
Publication of GB2082568A publication Critical patent/GB2082568A/en
Application granted granted Critical
Publication of GB2082568B publication Critical patent/GB2082568B/en
Expired 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
    • C03B37/014—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
    • C03B37/01853—Thermal after-treatment of preforms, e.g. dehydrating, consolidating, sintering
    • 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
    • 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
    • C03B37/01861—Means for changing or stabilising the diameter or form of tubes or rods

Landscapes

  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Geochemistry & Mineralogy (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • General Chemical & Material Sciences (AREA)
  • General Life Sciences & Earth Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Manufacturing & Machinery (AREA)
  • Materials Engineering (AREA)
  • Organic Chemistry (AREA)
  • Physics & Mathematics (AREA)
  • Thermal Sciences (AREA)
  • Manufacture, Treatment Of Glass Fibers (AREA)
GB8125858A 1980-08-26 1981-08-25 Lightguide preform fabrication Expired GB2082568B (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US18152080A 1980-08-26 1980-08-26

Publications (2)

Publication Number Publication Date
GB2082568A GB2082568A (en) 1982-03-10
GB2082568B true GB2082568B (en) 1984-03-07

Family

ID=22664623

Family Applications (1)

Application Number Title Priority Date Filing Date
GB8125858A Expired GB2082568B (en) 1980-08-26 1981-08-25 Lightguide preform fabrication

Country Status (5)

Country Link
JP (1) JPS5771833A (en)
DE (1) DE3133013A1 (en)
FR (1) FR2489297A1 (en)
GB (1) GB2082568B (en)
NL (1) NL8103951A (en)

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3230199A1 (en) * 1982-08-13 1984-02-16 Siemens AG, 1000 Berlin und 8000 München METHOD FOR PRODUCING A FIBERGLASS WITH A RADIAL CRUSH PROFILE
DE3635819A1 (en) * 1986-10-22 1988-05-05 Schott Glaswerke Process for the production of a low-loss optical waveguide
JPH029727A (en) * 1988-06-28 1990-01-12 Sumitomo Electric Ind Ltd Production of optical fiber preform
KR0162604B1 (en) * 1994-10-07 1999-04-15 김광호 Optical fiber preform making method
US6289698B1 (en) 1996-08-02 2001-09-18 Corning Incorporated Method of making a fiber preform with increases in alumina concentration at radial distances

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
NL7214796A (en) * 1972-11-02 1974-05-06
GB1456371A (en) * 1972-11-25 1976-11-24 Sumitomo Electric Industries Optical transmission fibre
CA1050833A (en) * 1974-02-22 1979-03-20 John B. Macchesney Optical fiber fabrication involving homogeneous reaction within a moving hot zone
JPS5268222A (en) * 1975-12-04 1977-06-06 Furukawa Electric Co Ltd Process for eliminating air bubbles in the wall of silica glass tube
CA1090134A (en) * 1976-03-22 1980-11-25 Western Electric Company, Incorporated Fabrication of optical fibers with improved cross sectional circularity
CA1080562A (en) * 1977-02-10 1980-07-01 Frederick D. King Method of and apparatus for manufacturing an optical fibre with plasma activated deposition in a tube

Also Published As

Publication number Publication date
NL8103951A (en) 1982-03-16
JPS5771833A (en) 1982-05-04
DE3133013A1 (en) 1982-04-08
FR2489297A1 (en) 1982-03-05
GB2082568A (en) 1982-03-10

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Legal Events

Date Code Title Description
PCNP Patent ceased through non-payment of renewal fee