FR2539235B1 - Fibre optique a polarisation unique - Google Patents

Fibre optique a polarisation unique

Info

Publication number
FR2539235B1
FR2539235B1 FR8400305A FR8400305A FR2539235B1 FR 2539235 B1 FR2539235 B1 FR 2539235B1 FR 8400305 A FR8400305 A FR 8400305A FR 8400305 A FR8400305 A FR 8400305A FR 2539235 B1 FR2539235 B1 FR 2539235B1
Authority
FR
France
Prior art keywords
optical fiber
single polarization
polarization optical
fiber
polarization
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
FR8400305A
Other languages
English (en)
Other versions
FR2539235A1 (fr
Inventor
Masaaki Kato
Toshihide Tokunaga
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.)
Hitachi Cable Ltd
Original Assignee
Hitachi Cable 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
Application filed by Hitachi Cable Ltd filed Critical Hitachi Cable Ltd
Publication of FR2539235A1 publication Critical patent/FR2539235A1/fr
Application granted granted Critical
Publication of FR2539235B1 publication Critical patent/FR2539235B1/fr
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
    • G02B6/03605—Highest refractive index not on central axis
    • G02B6/03611—Highest index adjacent to central axis region, e.g. annular core, coaxial ring, centreline depression affecting waveguiding
    • 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
    • G02B6/03638—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 - + +
    • 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
    • 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

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Optics & Photonics (AREA)
  • Optical Fibers, Optical Fiber Cores, And Optical Fiber Bundles (AREA)
  • Glass Compositions (AREA)
  • Manufacture, Treatment Of Glass Fibers (AREA)
FR8400305A 1983-01-11 1984-01-10 Fibre optique a polarisation unique Expired FR2539235B1 (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP58002388A JPS59174541A (ja) 1983-01-11 1983-01-11 偏波面保存光フアイバ

Publications (2)

Publication Number Publication Date
FR2539235A1 FR2539235A1 (fr) 1984-07-13
FR2539235B1 true FR2539235B1 (fr) 1988-03-04

Family

ID=11527842

Family Applications (1)

Application Number Title Priority Date Filing Date
FR8400305A Expired FR2539235B1 (fr) 1983-01-11 1984-01-10 Fibre optique a polarisation unique

Country Status (3)

Country Link
US (1) US4610506A (fr)
JP (1) JPS59174541A (fr)
FR (1) FR2539235B1 (fr)

Families Citing this family (19)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS60257408A (ja) * 1984-06-04 1985-12-19 Shin Etsu Chem Co Ltd 光フアイバおよびその製造方法
US4852968A (en) * 1986-08-08 1989-08-01 American Telephone And Telegraph Company, At&T Bell Laboratories Optical fiber comprising a refractive index trench
US4799210A (en) * 1986-11-05 1989-01-17 Unisys Corporation Fiber optic read/write head for an optical disk memory system
JPH0616126B2 (ja) * 1986-11-06 1994-03-02 日本電気株式会社 光ファイバ接続用フェルール
JPH01237507A (ja) * 1987-12-04 1989-09-22 Nippon Telegr & Teleph Corp <Ntt> 絶対単一偏波光ファイバ
DE3803413C1 (fr) * 1988-02-05 1989-03-30 Heraeus Quarzschmelze Gmbh, 6450 Hanau, De
US4896942A (en) * 1989-02-03 1990-01-30 Minnesota Mining And Manufacturing Company Polarization-maintaining optical fiber
GB9007019D0 (en) * 1990-03-29 1990-05-30 British Telecomm Optical fibre feedthrough
DE19505929C1 (de) * 1995-02-21 1996-03-28 Heraeus Quarzglas Optisches Bauteil
US5841926A (en) * 1996-01-04 1998-11-24 Nippon Telegraph And Telephone Corporation Optical fibers for optical attenuation
KR100319293B1 (ko) * 1998-06-23 2002-03-21 김효근 이성분계실리카를이용한분산광섬유및광섬유필터
US6778747B1 (en) 1998-09-09 2004-08-17 Corning Incorporated Radially varying and azimuthally asymmetric optical waveguide fiber
KR100322126B1 (ko) * 1999-01-18 2002-02-04 윤종용 광도파로 제작용 기판 및 그 제작방법
US20040114892A1 (en) * 2002-12-11 2004-06-17 Chiang Kin Seng Optical fiber
US6970632B2 (en) * 2004-05-03 2005-11-29 Corning Incorporated Solid type single polarization fiber and apparatus
JP2006343455A (ja) * 2005-06-08 2006-12-21 Fujifilm Holdings Corp プラスチック光学材料の製造方法
EP2151900B1 (fr) * 2007-05-14 2016-03-23 Fujikura Ltd. Module de communications optiques, son procede de fabrication, et appareil d'emetteur et de recepteur optique
JP6879300B2 (ja) * 2016-05-12 2021-06-02 住友電気工業株式会社 マルチコア光ファイバ、ファイバ・ブラッグ・グレーティングおよびファイバ・ブラッグ・グレーティングの製造方法
US11353650B2 (en) * 2018-03-30 2022-06-07 Nlight, Inc. Single mode LMA (large mode area) fiber

Family Cites Families (14)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4274854A (en) * 1978-01-13 1981-06-23 Bell Telephone Laboratories, Incorporated Polarization-preserving optical fiber
JPS5924092B2 (ja) * 1978-12-29 1984-06-07 三菱マテリアル株式会社 光フアイバ母材の製造法
DE2930704A1 (de) * 1979-07-28 1981-02-12 Licentia Gmbh Verfahren zur herstellung einer lichtleitfaser
JPS5624306A (en) * 1979-08-03 1981-03-07 Sumitomo Electric Ind Ltd Production of optical fiber having elliptical core
US4372647A (en) * 1979-10-08 1983-02-08 Nippon Telegraph & Telephone Public Corporation Single mode optical fibers
US4426129A (en) * 1980-01-11 1984-01-17 Hitachi, Ltd. Optical fiber and method of producing the same
US4360371A (en) * 1981-03-30 1982-11-23 Corning Glass Works Method of making polarization retaining single-mode optical waveguide
US4415230A (en) * 1981-03-30 1983-11-15 Corning Glass Works Polarization retaining single-mode optical waveguide
JPS57188426A (en) * 1981-05-15 1982-11-19 Fujitsu Ltd Manufacture of optical fiber
DE3275591D1 (en) * 1981-05-29 1987-04-09 Hitachi Ltd Polarization plane maintaining optical fiber and fabricating method therefor
JPS6014321B2 (ja) * 1981-08-18 1985-04-12 日立電線株式会社 定偏波型光フアイバ
AU531893B2 (en) * 1981-08-19 1983-09-08 Hitachi Cable Ltd. d
JPS5855340A (ja) * 1981-09-25 1983-04-01 Nec Corp 偏光保存光フアイバの製造方法
US4447127A (en) * 1982-04-09 1984-05-08 Bell Telephone Laboratories, Incorporated Low loss single mode fiber

Also Published As

Publication number Publication date
JPS59174541A (ja) 1984-10-03
US4610506A (en) 1986-09-09
JPS636500B2 (fr) 1988-02-10
FR2539235A1 (fr) 1984-07-13

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Legal Events

Date Code Title Description
ST Notification of lapse