GB2100464B - An improved optical fibre - Google Patents

An improved optical fibre

Info

Publication number
GB2100464B
GB2100464B GB8213235A GB8213235A GB2100464B GB 2100464 B GB2100464 B GB 2100464B GB 8213235 A GB8213235 A GB 8213235A GB 8213235 A GB8213235 A GB 8213235A GB 2100464 B GB2100464 B GB 2100464B
Authority
GB
United Kingdom
Prior art keywords
optical fibre
improved optical
improved
fibre
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.)
Expired
Application number
GB8213235A
Other versions
GB2100464A (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.)
Balfour Beatty PLC
Original Assignee
BICC PLC
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 BICC PLC filed Critical BICC PLC
Priority to GB8213235A priority Critical patent/GB2100464B/en
Publication of GB2100464A publication Critical patent/GB2100464A/en
Application granted granted Critical
Publication of GB2100464B publication Critical patent/GB2100464B/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
    • G02B6/03616—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
    • G02B6/03655—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 - + +
    • 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
    • C03C13/00—Fibre or filament compositions
    • C03C13/04—Fibre optics, e.g. core and clad fibre compositions
    • C03C13/045—Silica-containing oxide glass compositions
    • 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
    • G02B6/028—Optical fibres with cladding with or without a coating with core or cladding having graded refractive index
    • G02B6/0281—Graded index region forming part of the central core segment, e.g. alpha profile, triangular, trapezoidal core
    • 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 - +

Landscapes

  • Physics & Mathematics (AREA)
  • Optics & Photonics (AREA)
  • General Physics & Mathematics (AREA)
  • 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)
  • Glass Compositions (AREA)
GB8213235A 1981-05-11 1982-05-07 An improved optical fibre Expired GB2100464B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
GB8213235A GB2100464B (en) 1981-05-11 1982-05-07 An improved optical fibre

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
GB8114261 1981-05-11
GB8213235A GB2100464B (en) 1981-05-11 1982-05-07 An improved optical fibre

Publications (2)

Publication Number Publication Date
GB2100464A GB2100464A (en) 1982-12-22
GB2100464B true GB2100464B (en) 1985-07-17

Family

ID=26279404

Family Applications (1)

Application Number Title Priority Date Filing Date
GB8213235A Expired GB2100464B (en) 1981-05-11 1982-05-07 An improved optical fibre

Country Status (1)

Country Link
GB (1) GB2100464B (en)

Families Citing this family (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CA1205307A (en) * 1981-12-07 1986-06-03 Venkata A. Bhagavatula Low dispersion, low-loss single-mode optical waveguide
IL71644A (en) * 1983-05-20 1987-11-30 Corning Glass Works Low dispersion,low-loss single-mode optical waveguide
DE3500672A1 (en) * 1985-01-11 1986-07-17 Philips Patentverwaltung LIGHT-GUIDE FIBER WITH FLUOROUS DOPING AND METHOD FOR THE PRODUCTION THEREOF
JP2959877B2 (en) * 1991-06-24 1999-10-06 古河電気工業株式会社 Optical fiber manufacturing method
FR2679548B1 (en) * 1991-07-25 1994-10-21 Alsthom Cge Alcatel METHOD FOR MANUFACTURING ACTIVE OPTICAL FIBERS.
DE602004016706D1 (en) * 2003-07-18 2008-11-06 Fujikura Ltd Multimode gradient index fiber and manufacturing method
FR2922657B1 (en) * 2007-10-23 2010-02-12 Draka Comteq France MULTIMODE FIBER.
US9014525B2 (en) 2009-09-09 2015-04-21 Draka Comteq, B.V. Trench-assisted multimode optical fiber
NL2005220C2 (en) * 2010-08-12 2012-02-14 Draka Comteq Bv Depressed graded index multi-mode optical fiber.
EP2418523B1 (en) 2010-08-12 2016-10-05 Draka Comteq B.V. Depressed graded index multi-mode optical fiber
BR112016018252B1 (en) * 2014-02-28 2022-02-22 Draka Comteq B.V MULTI-MODE FIBER OPTIC AND MULTI-MODE OPTICAL SYSTEM

Also Published As

Publication number Publication date
GB2100464A (en) 1982-12-22

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Legal Events

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