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JPS5258547A - Light transmission fiber - Google Patents

Light transmission fiber

Info

Publication number
JPS5258547A
JPS5258547A JP50134046A JP13404675A JPS5258547A JP S5258547 A JPS5258547 A JP S5258547A JP 50134046 A JP50134046 A JP 50134046A JP 13404675 A JP13404675 A JP 13404675A JP S5258547 A JPS5258547 A JP S5258547A
Authority
JP
Japan
Prior art keywords
light transmission
transmission fiber
clad
refractive index
fiber
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
JP50134046A
Other languages
English (en)
Other versions
JPS5431380B2 (ja
Inventor
Seiichi Onoda
Katsuki Tanaka
Masao Sumi
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 Ltd
Original Assignee
Hitachi 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 Ltd filed Critical Hitachi Ltd
Priority to JP50134046A priority Critical patent/JPS5258547A/ja
Priority to DE19762647419 priority patent/DE2647419C2/de
Priority to FR7631522A priority patent/FR2328975A1/fr
Priority to US05/737,266 priority patent/US4184744A/en
Publication of JPS5258547A publication Critical patent/JPS5258547A/ja
Publication of JPS5431380B2 publication Critical patent/JPS5431380B2/ja
Granted legal-status Critical Current

Links

Classifications

    • GPHYSICS
    • G02OPTICS
    • G02BOPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B6/00Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings
    • G02B6/02Optical fibres with cladding with or without a coating
    • G02B6/036Optical fibres with cladding with or without a coating core or cladding comprising multiple layers
    • G02B6/03616Optical 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
    • G02B6/03622Optical 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
    • G02B6/03627Optical 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 - +
    • GPHYSICS
    • G02OPTICS
    • G02BOPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B6/00Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings
    • G02B6/02Optical fibres with cladding with or without a coating
    • G02B6/028Optical fibres with cladding with or without a coating with core or cladding having graded refractive index
    • G02B6/0288Multimode fibre, e.g. graded index core for compensating modal dispersion

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Optics & Photonics (AREA)
  • Chemical & Material Sciences (AREA)
  • Dispersion Chemistry (AREA)
  • Optical Fibers, Optical Fiber Cores, And Optical Fiber Bundles (AREA)
  • Manufacture, Treatment Of Glass Fibers (AREA)
JP50134046A 1975-10-20 1975-11-10 Light transmission fiber Granted JPS5258547A (en)

Priority Applications (4)

Application Number Priority Date Filing Date Title
JP50134046A JPS5258547A (en) 1975-11-10 1975-11-10 Light transmission fiber
DE19762647419 DE2647419C2 (de) 1975-10-20 1976-10-20 Optische Faser
FR7631522A FR2328975A1 (fr) 1975-10-20 1976-10-20 Fibre optique
US05/737,266 US4184744A (en) 1975-11-10 1976-11-01 Optical fiber

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP50134046A JPS5258547A (en) 1975-11-10 1975-11-10 Light transmission fiber

Publications (2)

Publication Number Publication Date
JPS5258547A true JPS5258547A (en) 1977-05-14
JPS5431380B2 JPS5431380B2 (ja) 1979-10-06

Family

ID=15119088

Family Applications (1)

Application Number Title Priority Date Filing Date
JP50134046A Granted JPS5258547A (en) 1975-10-20 1975-11-10 Light transmission fiber

Country Status (2)

Country Link
US (1) US4184744A (ja)
JP (1) JPS5258547A (ja)

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5940567A (en) * 1998-02-20 1999-08-17 Photon-X, Inc. Optical fibers having an inner core and an outer core
JP2010521702A (ja) * 2007-03-15 2010-06-24 リエッキ オイ 光ファイバ構造およびその製造方法
JP2011008248A (ja) * 2009-06-05 2011-01-13 Draka Comteq Bv 最適化されたコア・クラッド境界面と低減クラッド効果を持つ超高帯域マルチモード光ファイバ
JP2011530725A (ja) * 2008-08-13 2011-12-22 コーニング インコーポレイテッド 少なくとも2つのクラッドを有するマルチモードファイバ
CN106154410A (zh) * 2016-08-30 2016-11-23 烽火通信科技股份有限公司 一种单模光纤及其制造方法

Families Citing this family (34)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3042795C2 (de) * 1980-11-13 1988-03-03 Messerschmitt-Boelkow-Blohm Gmbh, 8000 Muenchen Mehrschichtige Lichtleitfaser
US4715679A (en) * 1981-12-07 1987-12-29 Corning Glass Works Low dispersion, low-loss single-mode optical waveguide
US4447127A (en) * 1982-04-09 1984-05-08 Bell Telephone Laboratories, Incorporated Low loss single mode fiber
US4515436A (en) * 1983-02-04 1985-05-07 At&T Bell Laboratories Single-mode single-polarization optical fiber
JPS59232302A (ja) * 1983-06-15 1984-12-27 Sumitomo Electric Ind Ltd 光伝送用フアイバ
US4859018A (en) * 1987-06-15 1989-08-22 Northern Telecom Limited Optical fiber bandwidth limiting
DE3842805A1 (de) * 1988-12-20 1990-06-21 Rheydt Kabelwerk Ag Lichtwellenleiter
US5048923A (en) * 1989-04-07 1991-09-17 Fujikura, Ltd. Image fiber, image fiber preform, and manufacturing processes thereof
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.
US7646955B2 (en) * 2004-07-26 2010-01-12 Corning Incorporated Multimode optical fiber with low differential mode delay
US7787731B2 (en) * 2007-01-08 2010-08-31 Corning Incorporated Bend resistant multimode optical fiber
FR2922657B1 (fr) 2007-10-23 2010-02-12 Draka Comteq France Fibre multimode.
US20090169163A1 (en) * 2007-12-13 2009-07-02 Abbott Iii John Steele Bend Resistant Multimode Optical Fiber
JP5251243B2 (ja) * 2008-05-12 2013-07-31 信越半導体株式会社 気相成長装置およびシリコンエピタキシャル膜の気相成長方法
FR2932932B1 (fr) * 2008-06-23 2010-08-13 Draka Comteq France Sa Systeme optique multiplexe en longueur d'ondes avec fibres optiques multimodes
FR2933779B1 (fr) * 2008-07-08 2010-08-27 Draka Comteq France Fibres optiques multimodes
FR2940839B1 (fr) * 2009-01-08 2012-09-14 Draka Comteq France Fibre optique multimodale a gradient d'indice, procedes de caracterisation et de fabrication d'une telle fibre
FR2953606B1 (fr) * 2009-12-03 2012-04-27 Draka Comteq France Fibre optique multimode a large bande passante et a faibles pertes par courbure
FR2953605B1 (fr) * 2009-12-03 2011-12-16 Draka Comteq France Fibre optique multimode a large bande passante et a faibles pertes par courbure
FR2953030B1 (fr) * 2009-11-25 2011-11-18 Draka Comteq France Fibre optique multimode a tres large bande passante avec une interface coeur-gaine optimisee
US9014525B2 (en) 2009-09-09 2015-04-21 Draka Comteq, B.V. Trench-assisted multimode optical fiber
FR2957153B1 (fr) * 2010-03-02 2012-08-10 Draka Comteq France Fibre optique multimode a large bande passante et a faibles pertes par courbure
FR2949870B1 (fr) * 2009-09-09 2011-12-16 Draka Compteq France Fibre optique multimode presentant des pertes en courbure ameliorees
FR2953029B1 (fr) 2009-11-25 2011-11-18 Draka Comteq France Fibre optique multimode a tres large bande passante avec une interface coeur-gaine optimisee
FR2950156B1 (fr) * 2009-09-17 2011-11-18 Draka Comteq France Fibre optique multimode
FR2966256B1 (fr) 2010-10-18 2012-11-16 Draka Comteq France Fibre optique multimode insensible aux pertes par
CN102073098B (zh) * 2010-11-29 2012-08-22 烽火通信科技股份有限公司 宽带多模光纤及其制造方法
US9481599B2 (en) 2010-12-21 2016-11-01 Corning Incorporated Method of making a multimode optical fiber
EP2482106B1 (en) 2011-01-31 2014-06-04 Draka Comteq B.V. Multimode fiber
FR2971061B1 (fr) 2011-01-31 2013-02-08 Draka Comteq France Fibre optique a large bande passante et a faibles pertes par courbure
EP2503368A1 (en) 2011-03-24 2012-09-26 Draka Comteq B.V. Multimode optical fiber with improved bend resistance
EP2506044A1 (en) 2011-03-29 2012-10-03 Draka Comteq B.V. Multimode optical fiber
EP2518546B1 (en) 2011-04-27 2018-06-20 Draka Comteq B.V. High-bandwidth, radiation-resistant multimode optical fiber
DK2541292T3 (en) 2011-07-01 2014-12-01 Draka Comteq Bv A multimode optical fiber

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3785718A (en) * 1972-09-11 1974-01-15 Bell Telephone Labor Inc Low dispersion optical fiber

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3778132A (en) * 1972-10-06 1973-12-11 Bell Telephone Labor Inc Optical transmission line
US3963468A (en) * 1974-02-15 1976-06-15 Bell Telephone Laboratories, Incorporated Light guide fabrication
US4033667A (en) * 1975-09-12 1977-07-05 Bell Telephone Laboratories, Incorporated Multimode optical fiber

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3785718A (en) * 1972-09-11 1974-01-15 Bell Telephone Labor Inc Low dispersion optical fiber

Cited By (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5940567A (en) * 1998-02-20 1999-08-17 Photon-X, Inc. Optical fibers having an inner core and an outer core
JP2010521702A (ja) * 2007-03-15 2010-06-24 リエッキ オイ 光ファイバ構造およびその製造方法
US8620126B2 (en) 2007-03-15 2013-12-31 Nlight Oy Optical fiber structure and a method of producing thereof
JP2011530725A (ja) * 2008-08-13 2011-12-22 コーニング インコーポレイテッド 少なくとも2つのクラッドを有するマルチモードファイバ
JP2011008248A (ja) * 2009-06-05 2011-01-13 Draka Comteq Bv 最適化されたコア・クラッド境界面と低減クラッド効果を持つ超高帯域マルチモード光ファイバ
US8867880B2 (en) 2009-06-05 2014-10-21 Draka Comteq, B.V. Large bandwidth multimode optical fiber having a reduced cladding effect
CN106154410A (zh) * 2016-08-30 2016-11-23 烽火通信科技股份有限公司 一种单模光纤及其制造方法

Also Published As

Publication number Publication date
JPS5431380B2 (ja) 1979-10-06
US4184744A (en) 1980-01-22

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