GB1559630A - Lowloss multilayer optical fibre - Google Patents

Lowloss multilayer optical fibre Download PDF

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Publication number
GB1559630A
GB1559630A GB18869/77A GB1886977A GB1559630A GB 1559630 A GB1559630 A GB 1559630A GB 18869/77 A GB18869/77 A GB 18869/77A GB 1886977 A GB1886977 A GB 1886977A GB 1559630 A GB1559630 A GB 1559630A
Authority
GB
United Kingdom
Prior art keywords
silica
optical fibre
fibre
bore
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
GB18869/77A
Other languages
English (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.)
International Standard Electric Corp
Original Assignee
International Standard Electric Corp
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 International Standard Electric Corp filed Critical International Standard Electric Corp
Publication of GB1559630A publication Critical patent/GB1559630A/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
    • 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
    • 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
    • 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
    • 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
    • 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
    • G02B6/102—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings of the optical waveguide type for infrared and ultraviolet radiation
    • 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

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Optics & Photonics (AREA)
  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • General Chemical & Material Sciences (AREA)
  • Toxicology (AREA)
  • Health & Medical Sciences (AREA)
  • General Life Sciences & Earth Sciences (AREA)
  • Geochemistry & Mineralogy (AREA)
  • Manufacturing & Machinery (AREA)
  • Materials Engineering (AREA)
  • Organic Chemistry (AREA)
  • Glass Compositions (AREA)
  • Manufacture, Treatment Of Glass Fibers (AREA)
GB18869/77A 1976-05-10 1977-05-05 Lowloss multilayer optical fibre Expired GB1559630A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US05/685,198 US4114980A (en) 1976-05-10 1976-05-10 Low loss multilayer optical fiber

Publications (1)

Publication Number Publication Date
GB1559630A true GB1559630A (en) 1980-01-23

Family

ID=24751145

Family Applications (1)

Application Number Title Priority Date Filing Date
GB18869/77A Expired GB1559630A (en) 1976-05-10 1977-05-05 Lowloss multilayer optical fibre

Country Status (3)

Country Link
US (1) US4114980A (https=)
CH (1) CH616002A5 (https=)
GB (1) GB1559630A (https=)

Families Citing this family (28)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4194807A (en) * 1976-04-09 1980-03-25 Georg Gliemeroth Optical fiber wave-guides for signal transmission comprising multiple component glass with an adjusted expansion co-efficient between the core and mantle
JPS5395649A (en) * 1977-02-02 1978-08-22 Hitachi Ltd Production of optical fiber
JPS5565909A (en) * 1978-11-13 1980-05-17 Nippon Telegr & Teleph Corp <Ntt> Optical fiber
FR2446264A1 (fr) * 1979-01-10 1980-08-08 Quartz & Silice Procede de preparation d'une preforme pour guide d'onde optique
GB2062610B (en) * 1979-10-29 1983-03-09 Standard Telephones Cables Ltd Single mode optical fibres
GB2062611A (en) * 1979-10-29 1981-05-28 Standard Telephones Cables Ltd Single mode optical fibre
JPS585406B2 (ja) * 1980-01-22 1983-01-31 工業技術院長 赤外用光フアイバ−ならびにその製造方法
US4385802A (en) * 1980-06-09 1983-05-31 Corning Glass Works Long wavelength, low-loss optical waveguide
DE3510023A1 (de) * 1985-03-20 1986-09-25 Licentia Gmbh Einwelliger lichtwellenleiter aus quarzglas und verfahren zu dessen herstellung
DE3731604A1 (de) * 1987-09-19 1989-03-30 Philips Patentverwaltung Verfahren zur herstellung einer monomode-lichtleitfaser
US5221308A (en) * 1988-09-21 1993-06-22 3M Low loss infrared transmitting hollow core optical fiber method of manufacture
FR2713621B1 (fr) * 1993-12-14 1996-01-05 Alcatel Fibres Optiques Procédé de recharge par plasma d'une préforme pour fibre optique et fibre optique issue de la préforme rechargée selon ce procédé.
JP3410101B2 (ja) * 1994-11-29 2003-05-26 ユナイテッド テクノロジーズ コーポレイション 光ファイバブラッググレーティングによるコーティング消滅検出
US5805332A (en) * 1997-02-18 1998-09-08 Regents Of The University Of Minnesota Optical fiber amplifier
KR100322131B1 (ko) 1999-01-28 2002-02-04 윤종용 오.에이치.차단층을 구비한 광섬유 모재 및 그 제조방법
CN1168681C (zh) * 1998-06-25 2004-09-29 三星电子株式会社 具有oh阻挡层的光纤预制品及其生产方法
US6807350B2 (en) * 2001-07-17 2004-10-19 Verrillon, Inc. Optical fiber with a radially varying index of refraction and related methods
NL1024015C2 (nl) * 2003-07-28 2005-02-01 Draka Fibre Technology Bv Multimode optische vezel voorzien van een brekingsindexprofiel, optisch communicatiesysteem onder toepassing daarvan en werkwijze ter vervaardiging van een dergelijke vezel.
FR2893149B1 (fr) * 2005-11-10 2008-01-11 Draka Comteq France Fibre optique monomode.
FR2899693B1 (fr) * 2006-04-10 2008-08-22 Draka Comteq France Fibre optique monomode.
US7620282B2 (en) * 2006-08-31 2009-11-17 Corning Incorporated Low bend loss single mode optical fiber
DK2206001T3 (da) * 2007-11-09 2014-07-07 Draka Comteq Bv Optisk fiber, der er modstandsdygtig over for mikrobøjning
FR2930997B1 (fr) * 2008-05-06 2010-08-13 Draka Comteq France Sa Fibre optique monomode
US7773848B2 (en) 2008-07-30 2010-08-10 Corning Incorporated Low bend loss single mode optical fiber
US9014525B2 (en) 2009-09-09 2015-04-21 Draka Comteq, B.V. Trench-assisted multimode optical fiber
WO2011063075A1 (en) * 2009-11-18 2011-05-26 Boston Scientific Scimed, Inc. Methods and apparatus related to a side-fire assembly that has an optical grating
WO2017048820A1 (en) 2015-09-16 2017-03-23 Corning Incorporated Low-loss and low-bend-loss optical fiber
WO2021025858A1 (en) 2019-08-07 2021-02-11 Corning Incorporated Single mode optical fiber with low bend loss at small and large bend diameters

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3791714A (en) * 1972-03-30 1974-02-12 Corning Glass Works Method of producing glass for optical waveguides
US3884550A (en) * 1973-01-04 1975-05-20 Corning Glass Works Germania containing optical waveguide
US3853384A (en) * 1973-04-16 1974-12-10 Bell Telephone Labor Inc Optical transmission line
US3963468A (en) * 1974-02-15 1976-06-15 Bell Telephone Laboratories, Incorporated Light guide fabrication
NL165134B (nl) * 1974-04-24 1980-10-15 Nippon Telegraph & Telephone Werkwijze voor de vervaardiging van een staaf als tussenprodukt voor de vervaardiging van een optische vezel en werkwijze voor de vervaardiging van een optische vezel uit zulk een tussenprodukt.
US3932160A (en) * 1974-08-09 1976-01-13 Western Electric Company, Inc. Method for forming low loss optical waveguide fibers
GB1496788A (en) * 1974-09-05 1978-01-05 Standard Telephones Cables Ltd Optical fibre manufacture

Also Published As

Publication number Publication date
US4114980A (en) 1978-09-19
CH616002A5 (https=) 1980-02-29

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Legal Events

Date Code Title Description
PS Patent sealed [section 19, patents act 1949]
PCNP Patent ceased through non-payment of renewal fee