GB8403171D0 - Optical fibres - Google Patents

Optical fibres

Info

Publication number
GB8403171D0
GB8403171D0 GB848403171A GB8403171A GB8403171D0 GB 8403171 D0 GB8403171 D0 GB 8403171D0 GB 848403171 A GB848403171 A GB 848403171A GB 8403171 A GB8403171 A GB 8403171A GB 8403171 D0 GB8403171 D0 GB 8403171D0
Authority
GB
United Kingdom
Prior art keywords
optical fibres
fibres
optical
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.)
Granted
Application number
GB848403171A
Other versions
GB2134897B (en
GB2134897A (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 GB8403171D0 publication Critical patent/GB8403171D0/en
Publication of GB2134897A publication Critical patent/GB2134897A/en
Application granted granted Critical
Publication of GB2134897B publication Critical patent/GB2134897B/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
    • C03B37/02—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
    • C03B37/027—Fibres composed of different sorts of glass, e.g. glass 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
    • C03B37/014—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
    • C03B37/01861—Means for changing or stabilising the diameter or form of tubes or rods
    • 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
GB08403171A 1983-02-14 1984-02-07 Manufacture of optical fibres and preforms with reduced hydroxyl content Expired GB2134897B (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US46629383A 1983-02-14 1983-02-14

Publications (3)

Publication Number Publication Date
GB8403171D0 true GB8403171D0 (en) 1984-03-14
GB2134897A GB2134897A (en) 1984-08-22
GB2134897B GB2134897B (en) 1986-12-17

Family

ID=23851229

Family Applications (1)

Application Number Title Priority Date Filing Date
GB08403171A Expired GB2134897B (en) 1983-02-14 1984-02-07 Manufacture of optical fibres and preforms with reduced hydroxyl content

Country Status (5)

Country Link
JP (1) JPS59156931A (en)
DE (1) DE3404781A1 (en)
FR (1) FR2540997B1 (en)
GB (1) GB2134897B (en)
NL (1) NL8400455A (en)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0223852B1 (en) * 1985-06-05 1989-12-20 Hughes Aircraft Company Method of fabricating optical fiber preforms having reduced susceptibility to radiation damage
DE3733880A1 (en) * 1987-10-07 1989-04-20 Schott Glaswerke METHOD FOR PRODUCING A LIGHT WAVE GUIDE
NL2006962C2 (en) * 2011-06-17 2012-12-18 Draka Comteq Bv DEVICE AND METHOD FOR MANUFACTURING AN OPTICAL FORM.

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
NL221432A (en) * 1956-11-19
US3933454A (en) * 1974-04-22 1976-01-20 Corning Glass Works Method of making optical waveguides
CH620181A5 (en) * 1975-08-16 1980-11-14 Heraeus Schott Quarzschmelze Process for the preparation of synthetic quartz glass, apparatus to carry out the process, and the use of the synthetic quartz glass
GB2084988B (en) * 1980-10-02 1984-06-06 Post Office Methods of etching materials containing silicon

Also Published As

Publication number Publication date
GB2134897B (en) 1986-12-17
FR2540997B1 (en) 1987-02-27
NL8400455A (en) 1984-09-03
GB2134897A (en) 1984-08-22
DE3404781A1 (en) 1984-08-16
JPS59156931A (en) 1984-09-06
FR2540997A1 (en) 1984-08-17

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Legal Events

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

Effective date: 20020207