GB9015290D0 - Manufacture of preforms for rotationally asymmetric optical fibres - Google Patents

Manufacture of preforms for rotationally asymmetric optical fibres

Info

Publication number
GB9015290D0
GB9015290D0 GB909015290A GB9015290A GB9015290D0 GB 9015290 D0 GB9015290 D0 GB 9015290D0 GB 909015290 A GB909015290 A GB 909015290A GB 9015290 A GB9015290 A GB 9015290A GB 9015290 D0 GB9015290 D0 GB 9015290D0
Authority
GB
United Kingdom
Prior art keywords
preforms
manufacture
optical fibres
rotationally asymmetric
asymmetric 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
GB909015290A
Other versions
GB2235191A (en
GB2235191B (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.)
Alcatel Lucent NV
Original Assignee
Alcatel NV
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 Alcatel NV filed Critical Alcatel NV
Publication of GB9015290D0 publication Critical patent/GB9015290D0/en
Publication of GB2235191A publication Critical patent/GB2235191A/en
Application granted granted Critical
Publication of GB2235191B publication Critical patent/GB2235191B/en
Anticipated expiration legal-status Critical
Expired - Lifetime 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
    • C03B37/01876—Means for heating tubes or rods during or immediately prior to deposition, e.g. electric resistance heaters
    • C—CHEMISTRY; METALLURGY
    • C03—GLASS; MINERAL OR SLAG WOOL
    • C03C—CHEMICAL COMPOSITION OF GLASSES, GLAZES OR VITREOUS ENAMELS; SURFACE TREATMENT OF GLASS; SURFACE TREATMENT OF FIBRES OR FILAMENTS MADE FROM GLASS, MINERALS OR SLAGS; JOINING GLASS TO GLASS OR OTHER MATERIALS
    • C03C17/00—Surface treatment of glass, not in the form of fibres or filaments, by coating
    • C03C17/22—Surface treatment of glass, not in the form of fibres or filaments, by coating with other inorganic material
    • C03C17/23—Oxides
    • C03C17/245—Oxides by deposition from the vapour phase
    • C03C17/2456—Coating containing TiO2
    • C—CHEMISTRY; METALLURGY
    • C03—GLASS; MINERAL OR SLAG WOOL
    • C03C—CHEMICAL COMPOSITION OF GLASSES, GLAZES OR VITREOUS ENAMELS; SURFACE TREATMENT OF GLASS; SURFACE TREATMENT OF FIBRES OR FILAMENTS MADE FROM GLASS, MINERALS OR SLAGS; JOINING GLASS TO GLASS OR OTHER MATERIALS
    • C03C25/00—Surface treatment of fibres or filaments made from glass, minerals or slags
    • C03C25/10—Coating
    • C03C25/104—Coating to obtain optical fibres
    • C03C25/106—Single coatings
    • C03C25/1061—Inorganic coatings
    • G—PHYSICS
    • G02—OPTICS
    • G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B6/00—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings
    • G02B6/10—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings of the optical waveguide type
    • G02B6/105—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings of the optical waveguide type having optical polarisation effects
    • C—CHEMISTRY; METALLURGY
    • C03—GLASS; MINERAL OR SLAG WOOL
    • C03B—MANUFACTURE, SHAPING, OR SUPPLEMENTARY PROCESSES
    • C03B2203/00—Fibre product details, e.g. structure, shape
    • C03B2203/30—Polarisation maintaining [PM], i.e. birefringent products, e.g. with elliptical core, by use of stress rods, "PANDA" type fibres

Landscapes

  • Chemical & Material Sciences (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • General Chemical & Material Sciences (AREA)
  • Geochemistry & Mineralogy (AREA)
  • Materials Engineering (AREA)
  • Organic Chemistry (AREA)
  • Physics & Mathematics (AREA)
  • General Life Sciences & Earth Sciences (AREA)
  • Optics & Photonics (AREA)
  • General Physics & Mathematics (AREA)
  • Manufacturing & Machinery (AREA)
  • Inorganic Chemistry (AREA)
  • Manufacture, Treatment Of Glass Fibers (AREA)
GB9015290A 1989-07-11 1990-07-11 Manufacture of preforms for rotationally asymmetric optical fibres Expired - Lifetime GB2235191B (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR8909297A FR2649690B1 (en) 1989-07-11 1989-07-11 PROCESS FOR MANUFACTURING PREFORMS FOR OPTICAL FIBERS WITHOUT REVOLUTION SYMMETRY

Publications (3)

Publication Number Publication Date
GB9015290D0 true GB9015290D0 (en) 1990-08-29
GB2235191A GB2235191A (en) 1991-02-27
GB2235191B GB2235191B (en) 1992-11-11

Family

ID=9383657

Family Applications (1)

Application Number Title Priority Date Filing Date
GB9015290A Expired - Lifetime GB2235191B (en) 1989-07-11 1990-07-11 Manufacture of preforms for rotationally asymmetric optical fibres

Country Status (3)

Country Link
FR (1) FR2649690B1 (en)
GB (1) GB2235191B (en)
NL (1) NL9001538A (en)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE4140765A1 (en) * 1991-12-11 1993-06-17 Kabelmetal Electro Gmbh METHOD AND DEVICE FOR PRODUCING A PREFORM FOR FIBERGLASS FIBER-WAVE GUIDES

Family Cites Families (19)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2536456C2 (en) * 1975-08-16 1981-02-05 Heraeus Quarzschmelze Gmbh, 6450 Hanau Semi-finished product for the production of optical fibers and process for the production of the semi-finished product
US3982916A (en) * 1975-12-24 1976-09-28 Bell Telephone Laboratories, Incorporated Method for forming optical fiber preform
US4076380A (en) * 1976-10-28 1978-02-28 Bell Telephone Laboratories, Incorporated Graded index optical fiber
DE2930781A1 (en) * 1979-07-28 1981-02-12 Licentia Gmbh Glass optical waveguide fibre - with non-symmetrical profile of refractive index used to separate two light waves polarised in orthogonal directions
JPS6047216B2 (en) * 1980-07-29 1985-10-21 日本電信電話株式会社 Method for producing base material for optical fiber
CA1177297A (en) * 1981-03-30 1984-11-06 Michael G. Blankenship Polarization retaining single-mode optical fibers and methods of making
JPS57170830A (en) * 1981-04-08 1982-10-21 Sumitomo Electric Ind Ltd Manufacture of optical fiber containing ellipsoidal core
US4428761A (en) * 1981-12-22 1984-01-31 Bell Telephone Laboratories, Incorporated Lithographic method of making optical fibers
EP0098102B1 (en) * 1982-06-25 1987-02-04 National Research Development Corporation Method of making optical fibre preforms and optical fibre preform
JPS5939736A (en) * 1982-08-25 1984-03-05 Hitachi Cable Ltd Production of base material for optical fiber retaining plane of polarization
JPS5950037A (en) * 1982-09-10 1984-03-22 Furukawa Electric Co Ltd:The Production of base material for optical fiber
JPS5969436A (en) * 1982-10-09 1984-04-19 Hitachi Cable Ltd Manufacture of optical fiber material capable of retaining polarized face
JPS59141436A (en) * 1983-02-03 1984-08-14 Nippon Telegr & Teleph Corp <Ntt> Manufacture of optical fiber preform
JPS605034A (en) * 1983-04-12 1985-01-11 Fujikura Ltd Manufacture of single polarization optical fiber
US4528009A (en) * 1983-06-01 1985-07-09 Corning Glass Works Method of forming optical fiber having laminated core
FR2551881B1 (en) * 1983-09-13 1986-06-27 Thomson Csf METHOD FOR MANUFACTURING MULTI-CORE OPTICAL FIBER
US4631079A (en) * 1984-09-26 1986-12-23 At&T Technologies, Inc. Method for stretching a glass rod
JPS61117126A (en) * 1984-11-13 1986-06-04 Sumitomo Electric Ind Ltd Preparation of parent material for optical fiber
GB2180232B (en) * 1985-09-13 1989-10-04 Stc Plc Optical fibre

Also Published As

Publication number Publication date
GB2235191A (en) 1991-02-27
FR2649690B1 (en) 1994-01-28
GB2235191B (en) 1992-11-11
FR2649690A1 (en) 1991-01-18
NL9001538A (en) 1991-02-01

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Legal Events

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

Effective date: 20000711