GB2026716B - Glass optical fibre coated with organopolysiloxane layers - Google Patents

Glass optical fibre coated with organopolysiloxane layers

Info

Publication number
GB2026716B
GB2026716B GB7918392A GB7918392A GB2026716B GB 2026716 B GB2026716 B GB 2026716B GB 7918392 A GB7918392 A GB 7918392A GB 7918392 A GB7918392 A GB 7918392A GB 2026716 B GB2026716 B GB 2026716B
Authority
GB
United Kingdom
Prior art keywords
optical fibre
glass optical
fibre coated
organopolysiloxane
layers
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
GB7918392A
Other versions
GB2026716A (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.)
Nippon Telegraph and Telephone Corp
Sumitomo Electric Industries Ltd
Original Assignee
Nippon Telegraph and Telephone Corp
Sumitomo Electric Industries Ltd
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
Priority claimed from JP6315878A external-priority patent/JPS54154338A/en
Priority claimed from JP53163024A external-priority patent/JPS5816162B2/en
Priority claimed from JP16302578A external-priority patent/JPS5588008A/en
Application filed by Nippon Telegraph and Telephone Corp, Sumitomo Electric Industries Ltd filed Critical Nippon Telegraph and Telephone Corp
Publication of GB2026716A publication Critical patent/GB2026716A/en
Application granted granted Critical
Publication of GB2026716B publication Critical patent/GB2026716B/en
Expired legal-status Critical Current

Links

Classifications

    • 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
    • G02B6/02—Optical fibres with cladding with or without a coating
    • G02B6/036—Optical fibres with cladding with or without a coating core or cladding comprising multiple layers
    • G02B6/03694—Multiple layers differing in properties other than the refractive index, e.g. attenuation, diffusion, stress properties
    • 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
    • C03C25/1065—Multiple 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
    • G02B6/02—Optical fibres with cladding with or without a coating
    • G02B6/02395—Glass optical fibre with a protective coating, e.g. two layer polymer coating deposited directly on a silica cladding surface during fibre manufacture
    • 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
    • G02B6/02—Optical fibres with cladding with or without a coating
    • G02B6/036—Optical fibres with cladding with or without a coating core or cladding comprising multiple layers
    • G02B6/03616—Optical fibres characterised both by the number of different refractive index layers around the central core segment, i.e. around the innermost high index core layer, and their relative refractive index difference
    • G02B6/03622—Optical fibres characterised both by the number of different refractive index layers around the central core segment, i.e. around the innermost high index core layer, and their relative refractive index difference having 2 layers only
    • G02B6/03627—Optical fibres characterised both by the number of different refractive index layers around the central core segment, i.e. around the innermost high index core layer, and their relative refractive index difference having 2 layers only arranged - +
    • 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
    • G02B6/02—Optical fibres with cladding with or without a coating
    • G02B6/036—Optical fibres with cladding with or without a coating core or cladding comprising multiple layers
    • G02B6/03616—Optical fibres characterised both by the number of different refractive index layers around the central core segment, i.e. around the innermost high index core layer, and their relative refractive index difference
    • G02B6/03638—Optical fibres characterised both by the number of different refractive index layers around the central core segment, i.e. around the innermost high index core layer, and their relative refractive index difference having 3 layers only
    • G02B6/03644—Optical fibres characterised both by the number of different refractive index layers around the central core segment, i.e. around the innermost high index core layer, and their relative refractive index difference having 3 layers only arranged - + -
    • 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
    • G02B6/02—Optical fibres with cladding with or without a coating
    • G02B6/036—Optical fibres with cladding with or without a coating core or cladding comprising multiple layers
    • G02B6/03616—Optical fibres characterised both by the number of different refractive index layers around the central core segment, i.e. around the innermost high index core layer, and their relative refractive index difference
    • G02B6/03661—Optical fibres characterised both by the number of different refractive index layers around the central core segment, i.e. around the innermost high index core layer, and their relative refractive index difference having 4 layers only
    • G02B6/03677—Optical fibres characterised both by the number of different refractive index layers around the central core segment, i.e. around the innermost high index core layer, and their relative refractive index difference having 4 layers only arranged - + + -
    • 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
    • G02B6/44—Mechanical structures for providing tensile strength and external protection for fibres, e.g. optical transmission cables
    • G02B6/4401—Optical cables
    • G02B6/4402—Optical cables with one single optical waveguide

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Optics & Photonics (AREA)
  • Chemical & Material Sciences (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • General Life Sciences & Earth Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • General Chemical & Material Sciences (AREA)
  • Geochemistry & Mineralogy (AREA)
  • Materials Engineering (AREA)
  • Organic Chemistry (AREA)
  • Optical Fibers, Optical Fiber Cores, And Optical Fiber Bundles (AREA)
  • Surface Treatment Of Glass Fibres Or Filaments (AREA)
  • Communication Cables (AREA)
GB7918392A 1978-05-25 1979-05-25 Glass optical fibre coated with organopolysiloxane layers Expired GB2026716B (en)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
JP6315878A JPS54154338A (en) 1978-05-25 1978-05-25 Glass fiber for optical transmission and production
JP53163024A JPS5816162B2 (en) 1978-12-26 1978-12-26 Glass fiber for optical transmission
JP16302578A JPS5588008A (en) 1978-12-26 1978-12-26 Glass fiber for optical transmission

Publications (2)

Publication Number Publication Date
GB2026716A GB2026716A (en) 1980-02-06
GB2026716B true GB2026716B (en) 1982-08-04

Family

ID=27298059

Family Applications (1)

Application Number Title Priority Date Filing Date
GB7918392A Expired GB2026716B (en) 1978-05-25 1979-05-25 Glass optical fibre coated with organopolysiloxane layers

Country Status (3)

Country Link
DE (1) DE2921338C2 (en)
FR (1) FR2426917A1 (en)
GB (1) GB2026716B (en)

Families Citing this family (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5564203A (en) * 1978-11-07 1980-05-14 Nippon Telegr & Teleph Corp <Ntt> Glass fiber for optical transmission
JPS6033777B2 (en) * 1979-03-28 1985-08-05 ト−レ・シリコ−ン株式会社 Coating material for optical communication glass fiber
US4431264A (en) * 1979-10-09 1984-02-14 Raychem Corporation Fluorosiloxane optical cladding
US4317616A (en) * 1979-10-09 1982-03-02 Raychem Corporation Fluorosiloxane optical cladding
US4373768A (en) * 1980-03-31 1983-02-15 Raychem Corporation Thermostatic fiber optic waveguides
DE3035879A1 (en) * 1980-09-23 1982-04-29 Siemens AG, 1000 Berlin und 8000 München Core and sheath glass optical fibre of lead glass - of specified size is made simply and cheaply and has required damping, coupling and strength
US4496210A (en) * 1982-07-19 1985-01-29 Desoto, Inc. Low temperature-flexible radiation-curable unsaturated polysiloxane coated fiber optic
GB2135073A (en) * 1983-02-04 1984-08-22 Standard Telephones Cables Ltd Plastics packaging glass optical fibres
US4768860A (en) * 1985-09-21 1988-09-06 Sumitomo Chemical Co., Ltd. Plastic optical cable
US4997260A (en) * 1988-12-28 1991-03-05 Makoto Honjo Optical fiber having a protective coating
DE19620635C2 (en) * 1996-05-22 1999-03-11 Fraunhofer Ges Forschung Tilting bowl arrangement for sorting conveyor systems
DE10109347A1 (en) * 2001-02-27 2002-09-05 Ccs Technology Inc Optical cable incorporated in open-line high voltage power transmission systems, has thermoplastic silicone elastomer casing
CN113939755A (en) * 2019-06-19 2022-01-14 住友电气工业株式会社 Optical fiber

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5017649A (en) * 1973-06-13 1975-02-25
US3877912A (en) * 1973-10-09 1975-04-15 Sumitomo Electric Industries Method of producing an optical transmission line
GB1466224A (en) * 1974-03-20 1977-03-02 Sumitomo Electric Industries Optical transmission fibres
DE2634398C2 (en) * 1976-07-30 1982-11-25 Siemens AG, 1000 Berlin und 8000 München Process for the production of optical fibers coated with a protective layer

Also Published As

Publication number Publication date
FR2426917A1 (en) 1979-12-21
DE2921338A1 (en) 1979-12-20
FR2426917B1 (en) 1984-01-20
DE2921338C2 (en) 1984-10-18
GB2026716A (en) 1980-02-06

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Legal Events

Date Code Title Description
PE20 Patent expired after termination of 20 years

Effective date: 19990524