FR2394100A1 - Fibre optique a gradient d'indice - Google Patents

Fibre optique a gradient d'indice

Info

Publication number
FR2394100A1
FR2394100A1 FR787817346A FR7817346A FR2394100A1 FR 2394100 A1 FR2394100 A1 FR 2394100A1 FR 787817346 A FR787817346 A FR 787817346A FR 7817346 A FR7817346 A FR 7817346A FR 2394100 A1 FR2394100 A1 FR 2394100A1
Authority
FR
France
Prior art keywords
optical fiber
index gradient
gradient optical
cladding
core
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
FR787817346A
Other languages
English (en)
Other versions
FR2394100B1 (fr
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
Original Assignee
Nippon Telegraph and Telephone 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 Nippon Telegraph and Telephone Corp filed Critical Nippon Telegraph and Telephone Corp
Publication of FR2394100A1 publication Critical patent/FR2394100A1/fr
Application granted granted Critical
Publication of FR2394100B1 publication Critical patent/FR2394100B1/fr
Granted 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
    • G02B6/028—Optical fibres with cladding with or without a coating with core or cladding having graded refractive index
    • G02B6/0288—Multimode fibre, e.g. graded index core for compensating modal dispersion
    • 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
    • C—CHEMISTRY; METALLURGY
    • C03—GLASS; MINERAL OR SLAG WOOL
    • C03B—MANUFACTURE, SHAPING, OR SUPPLEMENTARY PROCESSES
    • C03B2203/00—Fibre product details, e.g. structure, shape
    • C03B2203/10—Internal structure or shape details
    • C03B2203/22—Radial profile of refractive index, composition or softening point
    • C03B2203/26—Parabolic or graded index [GRIN] core profile

Landscapes

  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Dispersion Chemistry (AREA)
  • General Physics & Mathematics (AREA)
  • General Life Sciences & Earth Sciences (AREA)
  • Geochemistry & Mineralogy (AREA)
  • Manufacturing & Machinery (AREA)
  • Materials Engineering (AREA)
  • Organic Chemistry (AREA)
  • General Chemical & Material Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Optics & Photonics (AREA)
  • Optical Fibers, Optical Fiber Cores, And Optical Fiber Bundles (AREA)
  • Light Guides In General And Applications Therefor (AREA)
  • Glass Compositions (AREA)
  • Optical Couplings Of Light Guides (AREA)
  • Lasers (AREA)
  • Optical Communication System (AREA)

Abstract

Fibres optiques à indice variable comprenant un coeur et une gaine, dont no est l'indice de réfraction sur l'axe, a le rayon du coeur, alpha un exposant, ne l'indice de réfraction de la gaine,
FR787817346A 1977-06-10 1978-06-09 Fibre optique a gradient d'indice Granted FR2394100A1 (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP6851377A JPS543553A (en) 1977-06-10 1977-06-10 Optical line

Publications (2)

Publication Number Publication Date
FR2394100A1 true FR2394100A1 (fr) 1979-01-05
FR2394100B1 FR2394100B1 (fr) 1982-07-16

Family

ID=13375863

Family Applications (1)

Application Number Title Priority Date Filing Date
FR787817346A Granted FR2394100A1 (fr) 1977-06-10 1978-06-09 Fibre optique a gradient d'indice

Country Status (5)

Country Link
US (1) US4204745A (fr)
JP (1) JPS543553A (fr)
DE (1) DE2825412C3 (fr)
FR (1) FR2394100A1 (fr)
GB (1) GB1589006A (fr)

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2519774A1 (fr) * 1982-01-08 1983-07-18 Quartz & Silice Fibres optiques a grande bande passante
EP0083843A2 (fr) * 1981-12-07 1983-07-20 Corning Glass Works Guide d'onde optique monomode à faibles pertes et faible dispersion
US4560247A (en) * 1983-07-01 1985-12-24 Quartz Et Silice Large bandwidth optical fibers
EP0307228A2 (fr) * 1987-09-09 1989-03-15 Corning Glass Works Fibre monomode ou à nombre de modes restreint

Families Citing this family (27)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5443749A (en) * 1977-09-13 1979-04-06 Nippon Telegr & Teleph Corp <Ntt> Wide range oprical fiber
US4406517A (en) * 1979-01-02 1983-09-27 Corning Glass Works Optical waveguide having optimal index profile for multicomponent nonlinear glass
US4260221A (en) * 1979-03-16 1981-04-07 Bell Telephone Laboratories, Incorporated Multimode fiber with z-dependent index profile
JPS5831566B2 (ja) * 1980-08-01 1983-07-07 日本電信電話株式会社 低次モ−ド光フアイバ
US4516826A (en) * 1983-04-21 1985-05-14 At&T Technologies, Inc. Single mode lightguide fiber having a trapezoidal refractive index profile
JPS62147405A (ja) * 1985-12-20 1987-07-01 Mitsubishi Cable Ind Ltd Ｇｉ形コアロツド
US4889404A (en) * 1987-09-09 1989-12-26 Corning Incorporated Asymmetrical bidirectional telecommunication system
DE4001781C1 (fr) * 1990-01-23 1991-02-21 Schott Glaswerke, 6500 Mainz, De
US5175785A (en) * 1991-05-02 1992-12-29 Ensign-Bickford Optical Technologies, Inc. Optical waveguides having reduced bending loss and method of making the same
US5329607A (en) * 1992-02-28 1994-07-12 The United States Of America As Represented By The Secretary Of The Navy Pure-silica core dual-mode optical fiber
US5729645A (en) * 1996-08-13 1998-03-17 The Trustees Of The University Of Pennsylvania Graded index optical fibers
US7576909B2 (en) 1998-07-16 2009-08-18 Imra America, Inc. Multimode amplifier for amplifying single mode light
US7656578B2 (en) * 1997-03-21 2010-02-02 Imra America, Inc. Microchip-Yb fiber hybrid optical amplifier for micro-machining and marking
US6275512B1 (en) 1998-11-25 2001-08-14 Imra America, Inc. Mode-locked multimode fiber laser pulse source
KR100769268B1 (ko) 2000-09-11 2007-10-23 피렐리 에스피에이 다수의 사용자 장비에 신호를 분배하기 위한 신호 분배 네트워크 및 이를 위한 광파이버 및 광케이블
IT1318846B1 (it) * 2000-09-11 2003-09-10 Pirelli Cavi E Sistemi Spa Rete di distribuzione di segnali ad una pluralita' di apparecchiatureutente.
JP3845260B2 (ja) * 2001-02-16 2006-11-15 古河電気工業株式会社 光ファイバおよび光伝送路
US7336877B2 (en) * 2004-08-31 2008-02-26 Corning Incorporated Broadband optical fiber
KR100672010B1 (ko) * 2005-04-13 2007-01-22 한국과학기술원 광섬유와 이를 이용한 광가입자망, 구내 정보 통신망 및통신용 광부품
US7406237B2 (en) * 2006-02-21 2008-07-29 Corning Incorporated Multiband optical fiber
JP2010078701A (ja) * 2008-09-24 2010-04-08 Mitsubishi Cable Ind Ltd 光ファイバの接続構造およびシングルモードファイバ
US20100154478A1 (en) * 2008-12-01 2010-06-24 Panduit Corp. Multimode fiber having improved index profile
US20100269952A1 (en) * 2009-04-23 2010-10-28 Villanova University Process and apparatus for filling microstructured fibers via convection based pressure driven technique
US8351027B2 (en) 2009-06-15 2013-01-08 Panduit Corp. Method and metric for selecting and designing multimode fiber for improved performance
DE102009042207A1 (de) * 2009-09-18 2011-04-21 Ludwig-Maximilians-Universität München Wellenlängenabstimmbare Lichtquelle
JP5394344B2 (ja) * 2010-09-17 2014-01-22 日本電信電話株式会社 数モードファイバおよび数モードファイバの設計方法
WO2023038769A1 (fr) * 2021-09-09 2023-03-16 Corning Incorporated Fibres optiques pour systèmes de transmission à fibre optique à base de vcsel monomode et peu modale

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3904268A (en) * 1974-11-15 1975-09-09 Corning Glass Works Optical waveguide having optimal index gradient
US4006962A (en) * 1975-05-27 1977-02-08 Corning Glass Works Communication system having low dispersion glass optical waveguide
FR2360090A1 (fr) * 1976-07-26 1978-02-24 Western Electric Co Guide d'ondes a fibre optique

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3711262A (en) 1970-05-11 1973-01-16 Corning Glass Works Method of producing optical waveguide fibers
JPS51113641A (en) * 1975-03-28 1976-10-06 Nippon Telegr & Teleph Corp <Ntt> Low order mode propagation photo fiber
JPS52121341A (en) 1976-04-06 1977-10-12 Nippon Telegr & Teleph Corp <Ntt> Production of optical fiber base materials and production apparatus fo r the same

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3904268A (en) * 1974-11-15 1975-09-09 Corning Glass Works Optical waveguide having optimal index gradient
US4006962A (en) * 1975-05-27 1977-02-08 Corning Glass Works Communication system having low dispersion glass optical waveguide
FR2360090A1 (fr) * 1976-07-26 1978-02-24 Western Electric Co Guide d'ondes a fibre optique

Cited By (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0083843A2 (fr) * 1981-12-07 1983-07-20 Corning Glass Works Guide d'onde optique monomode à faibles pertes et faible dispersion
EP0083843A3 (en) * 1981-12-07 1984-01-04 Corning Glass Works Low dispersion, low-loss single-mode optical waveguide
FR2519774A1 (fr) * 1982-01-08 1983-07-18 Quartz & Silice Fibres optiques a grande bande passante
EP0085585A1 (fr) * 1982-01-08 1983-08-10 Quartz Et Silice Fibre optique multimode à grande bande passante
US4560247A (en) * 1983-07-01 1985-12-24 Quartz Et Silice Large bandwidth optical fibers
EP0307228A2 (fr) * 1987-09-09 1989-03-15 Corning Glass Works Fibre monomode ou à nombre de modes restreint
EP0307228A3 (en) * 1987-09-09 1990-07-11 Corning Glass Works Few-mode/single-mode fiber

Also Published As

Publication number Publication date
DE2825412C3 (de) 1981-11-26
DE2825412B2 (de) 1981-04-16
GB1589006A (en) 1981-05-07
DE2825412A1 (de) 1978-12-14
JPS5625647B2 (fr) 1981-06-13
JPS543553A (en) 1979-01-11
FR2394100B1 (fr) 1982-07-16
US4204745A (en) 1980-05-27

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Legal Events

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TP Transmission of property
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