DE3232194C2 - - Google Patents

Info

Publication number
DE3232194C2
DE3232194C2 DE3232194A DE3232194A DE3232194C2 DE 3232194 C2 DE3232194 C2 DE 3232194C2 DE 3232194 A DE3232194 A DE 3232194A DE 3232194 A DE3232194 A DE 3232194A DE 3232194 C2 DE3232194 C2 DE 3232194C2
Authority
DE
Germany
Prior art keywords
refractive index
fiber
core
effective refractive
effective
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 - Lifetime
Application number
DE3232194A
Other languages
German (de)
English (en)
Other versions
DE3232194A1 (de
Inventor
Leonard George Cohen
Wanda Lee 07733 Holmdel N.J. Us Mammel
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.)
AT&T Inc
Original Assignee
AT&T Technologies Inc
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 AT&T Technologies Inc filed Critical AT&T Technologies Inc
Publication of DE3232194A1 publication Critical patent/DE3232194A1/de
Application granted granted Critical
Publication of DE3232194C2 publication Critical patent/DE3232194C2/de
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
    • G02B6/02214—Optical fibres with cladding with or without a coating tailored to obtain the desired dispersion, e.g. dispersion shifted, dispersion flattened
    • G02B6/02219—Characterised by the wavelength dispersion properties in the silica low loss window around 1550 nm, i.e. S, C, L and U bands from 1460-1675 nm
    • G02B6/02223—Dual window fibres, i.e. characterised by dispersion properties around 1550 nm and in at least another wavelength window, e.g. 1310 nm
    • 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
    • G02B6/036—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
    • G02B6/02—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

Landscapes

  • Physics & Mathematics (AREA)
  • Chemical & Material Sciences (AREA)
  • Optics & Photonics (AREA)
  • General Physics & Mathematics (AREA)
  • Dispersion Chemistry (AREA)
  • Engineering & Computer Science (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • General Chemical & Material Sciences (AREA)
  • Geochemistry & Mineralogy (AREA)
  • Materials Engineering (AREA)
  • Organic Chemistry (AREA)
  • Glass Compositions (AREA)
  • Waveguides (AREA)
  • Optical Fibers, Optical Fiber Cores, And Optical Fiber Bundles (AREA)
DE19823232194 1981-09-03 1982-08-30 Optischer faserleiter mit doppelumhuellung Granted DE3232194A1 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US06/299,213 US4435040A (en) 1981-09-03 1981-09-03 Double-clad optical fiberguide

Publications (2)

Publication Number Publication Date
DE3232194A1 DE3232194A1 (de) 1983-03-10
DE3232194C2 true DE3232194C2 (enExample) 1992-01-30

Family

ID=23153811

Family Applications (1)

Application Number Title Priority Date Filing Date
DE19823232194 Granted DE3232194A1 (de) 1981-09-03 1982-08-30 Optischer faserleiter mit doppelumhuellung

Country Status (7)

Country Link
US (1) US4435040A (enExample)
JP (2) JPS5852603A (enExample)
CA (1) CA1170090A (enExample)
DE (1) DE3232194A1 (enExample)
FR (1) FR2512215B1 (enExample)
GB (1) GB2105488B (enExample)
NL (1) NL192010C (enExample)

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* Cited by examiner, † Cited by third party
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JPS59202401A (ja) * 1983-05-02 1984-11-16 Sumitomo Electric Ind Ltd 光フアイバおよびその製造方法
US4691990A (en) * 1984-11-13 1987-09-08 American Telephone And Telegraph Company, At&T Bell Laboratories Optical fiber with depressed index outer cladding
DE3446816A1 (de) * 1984-12-21 1986-07-10 Standard Elektrik Lorenz Ag, 7000 Stuttgart Optischer koppler
US4641917A (en) * 1985-02-08 1987-02-10 At&T Bell Laboratories Single mode optical fiber
JPS61250605A (ja) * 1985-04-27 1986-11-07 Power Reactor & Nuclear Fuel Dev Corp 導光路付きイメ−ジフアイバ
JPS6252508A (ja) * 1985-09-02 1987-03-07 Nippon Telegr & Teleph Corp <Ntt> 光フアイバ
CA1298110C (en) * 1985-11-04 1992-03-31 William E. Dennis Optical fiber with a high refractive index edge which refracts errant signals from core cladding
US4700339A (en) * 1986-01-28 1987-10-13 American Telephone And Telegraph Company, At&T Bell Laboratories Wavelength division multiplexed soliton optical fiber telecommunication system
US5028246A (en) * 1986-02-03 1991-07-02 Ensign-Bickford Optical Technologies, Inc. Methods of making optical waveguides
US4770494A (en) * 1986-02-12 1988-09-13 American Telephone & Telegraph Company, At&T Bell Laboratories Low-loss silica optical waveguides
US4836640A (en) * 1986-06-27 1989-06-06 American Telephone And Telegraph Company, At&T Bell Laboratories Depressed cladding optical fiber cable
US4852968A (en) * 1986-08-08 1989-08-01 American Telephone And Telegraph Company, At&T Bell Laboratories Optical fiber comprising a refractive index trench
US4770492A (en) * 1986-10-28 1988-09-13 Spectran Corporation Pressure or strain sensitive optical fiber
JPS63208003A (ja) * 1987-02-25 1988-08-29 Sumitomo Electric Ind Ltd 光フアイバ
US4893896A (en) * 1987-07-10 1990-01-16 Mitsubishi Cable Industries, Ltd. Energy transmission optical fiber
JPS6419191A (en) * 1987-07-14 1989-01-23 Nagano Keiki Seisakusho Kk Vacuum pump
US4820018A (en) * 1987-10-30 1989-04-11 Gte Laboratories Incorporated Optical fiber for light amplification
US4838643A (en) * 1988-03-23 1989-06-13 Alcatel Na, Inc. Single mode bend insensitive fiber for use in fiber optic guidance applications
US4893895A (en) * 1988-04-05 1990-01-16 The Babcock & Wilcox Company An improved encased high temperature optical fiber
DE3812140A1 (de) * 1988-04-12 1989-11-02 Schott Glaswerke Monomode-lichtleitfaser
CA2007533A1 (en) * 1989-01-13 1990-07-13 Bruce Lee Booth Optical waveguide devices, elements for making the devices and methods for making the device and elements
AU629648B2 (en) * 1989-06-13 1992-10-08 Nippon Telegraph & Telephone Corporation Hermetically coated optical fiber and production of the same
US5235666A (en) * 1989-06-13 1993-08-10 Sumitomo Electric Industries, Ltd. Production of a hermetically coated optical fiber
FR2650584B1 (fr) * 1989-08-02 1993-12-17 Cie Generale D Electricite Procede de fabrication d'une fibre optique a gaine dopee
US5032001A (en) * 1990-03-09 1991-07-16 At&T Bell Laboratories Optical fiber having enhanced bend resistance
DE4104268A1 (de) * 1991-02-13 1992-08-20 Standard Elektrik Lorenz Ag Faseroptischer verstaerker
US5361319A (en) * 1992-02-04 1994-11-01 Corning Incorporated Dispersion compensating devices and systems
US5318611A (en) * 1992-03-13 1994-06-07 Ensign-Bickford Optical Technologies, Inc. Methods of making optical waveguides and waveguides made thereby
US5448674A (en) * 1992-11-18 1995-09-05 At&T Corp. Article comprising a dispersion-compensating optical waveguide
JPH1033549A (ja) * 1996-07-24 1998-02-10 Shinji Kokubu レーザプローブ
US5781673A (en) * 1997-02-05 1998-07-14 Lucent Technologies Inc. WDM optical fiber communication system with improved dispersion compensation
DE69837506T2 (de) * 1997-02-26 2007-12-27 Nippon Telegraph And Telephone Corp. Optische Faser
US5878182A (en) * 1997-06-05 1999-03-02 Lucent Technologies Inc. Optical fiber having a low-dispersion slope in the erbium amplifier region
KR19990038607A (ko) 1997-11-06 1999-06-05 윤종용 다단계 코아 구조를 가지는 단일모드 광섬유
US5905838A (en) * 1998-02-18 1999-05-18 Lucent Technologies Inc. Dual window WDM optical fiber communication
KR100333897B1 (ko) 1998-06-24 2002-07-31 광주과학기술원 스트레스이완된장주기광섬유격자
GB9814526D0 (en) 1998-07-03 1998-09-02 Univ Southampton Optical fibre and optical fibre device
FR2784198B1 (fr) * 1998-10-05 2002-08-30 Cit Alcatel Fibre optique utilisable pour systeme de transmissions a multiplexage en longueur d'onde
DE19852704A1 (de) * 1998-11-16 2000-05-18 Heraeus Quarzglas Verfahren zur Herstellung einer Vorform für eine optische Faser und für die Durchführung des Verfahrens geeignetes Substratrohr
FR2788138B1 (fr) * 1999-01-04 2001-03-30 Cit Alcatel Fibre optique a faible pente de dispersion chromatique
EP1154294B1 (en) 1999-01-18 2012-08-29 Sumitomo Electric Industries, Ltd. Optical fiber and method of manufacture thereof
US6418256B1 (en) 1999-02-23 2002-07-09 Lasercomm, Inc. High order spatial mode optical fiber
KR100339041B1 (ko) * 1999-06-14 2002-05-31 김효근 광섬유 클래딩 모드의 분산특성을 조절하는 방법
KR20020038774A (ko) 1999-09-27 2002-05-23 오카야마 노리오 분산 매니지먼트 광파이버, 그 제조 방법, 그것을포함하는 광통신 시스템 및 광파이버 모재
EP1111414A3 (en) * 1999-12-13 2007-08-08 Sumitomo Electric Industries, Ltd. Optical fiber and optical transmission system
JP2001166173A (ja) * 1999-12-13 2001-06-22 Sumitomo Electric Ind Ltd 光ファイバ
US6570702B2 (en) * 2000-04-14 2003-05-27 The Regents Of The University Of California Antiguided fiber ribbon laser
US6587623B1 (en) * 2000-08-14 2003-07-01 The Board Of Trustees Of The University Of Illinois Method for reducing stimulated brillouin scattering in waveguide systems and devices
US6801700B2 (en) * 2001-05-10 2004-10-05 Fitel Usa Corp Optical fiber design for secure tap proof transmission
US20030024276A1 (en) * 2001-05-30 2003-02-06 3M Innovative Properties Company Method of manufacture of an optical waveguide article including a fluorine-containing zone
US20030200771A1 (en) * 2002-04-30 2003-10-30 Burke Gerald E. Method of manufacturing phosphosilicate optical fibers and optical fibers formed therefrom
US20070140634A1 (en) * 2005-12-16 2007-06-21 Robert Scott Windeler Gain-producing, large-mode-area, multimode, hybrid optical fibers and devices using same
US7455460B2 (en) * 2007-03-08 2008-11-25 Panduit Corp. Fiber optic connector with double-clad stub fiber
US8842957B2 (en) * 2011-06-30 2014-09-23 Corning Incorporated Multimode optical fiber and system incorporating such
KR101592173B1 (ko) 2011-12-30 2016-02-05 제임스 달톤 벨 동위원소가 변경된 광섬유
US9915819B2 (en) * 2015-06-02 2018-03-13 The Johns Hopkins University Fiber-optic methods and devices enabling multiphoton imaging with improved signal to-noise ratio
CN110780379B (zh) * 2019-10-29 2021-08-10 长飞光纤光缆股份有限公司 低色散单模光纤

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US3997241A (en) 1973-06-07 1976-12-14 Hitachi, Ltd. Optical waveguide transmitting light wave energy in single mode
US4217027A (en) 1974-02-22 1980-08-12 Bell Telephone Laboratories, Incorporated Optical fiber fabrication and resulting product
US4135901A (en) 1974-12-18 1979-01-23 Sumitomo Electric Industries, Ltd. Method of manufacturing glass for optical waveguide
US4206967A (en) 1975-06-06 1980-06-10 Hitachi, Ltd. Optical fiber
US3966446A (en) 1975-10-23 1976-06-29 Bell Telephone Laboratories, Incorporated Axial fabrication of optical fibers
JPS5431380A (en) * 1977-08-10 1979-03-08 Hirohama Kinzoku Kogyo Kk Method of fitting handle to can
DE2907650C3 (de) 1979-02-27 1981-08-13 Heraeus Quarzschmelze Gmbh, 6450 Hanau Multimode-Lichtleiter
JPS583206B2 (ja) * 1979-10-08 1983-01-20 日本電信電話株式会社 中間層付単一モ−ド光フアイバ
US4372647A (en) * 1979-10-08 1983-02-08 Nippon Telegraph & Telephone Public Corporation Single mode optical fibers

Also Published As

Publication number Publication date
JPH0727443Y2 (ja) 1995-06-21
FR2512215A1 (fr) 1983-03-04
NL192010C (nl) 1996-12-03
GB2105488A (en) 1983-03-23
DE3232194A1 (de) 1983-03-10
JPS5852603A (ja) 1983-03-28
CA1170090A (en) 1984-07-03
NL8203434A (nl) 1983-04-05
GB2105488B (en) 1985-01-16
US4435040A (en) 1984-03-06
NL192010B (nl) 1996-08-01
JPH03100804U (enExample) 1991-10-22
FR2512215B1 (fr) 1986-06-27

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Legal Events

Date Code Title Description
8127 New person/name/address of the applicant

Owner name: AT & T TECHNOLOGIES, INC., NEW YORK, N.Y., US

8110 Request for examination paragraph 44
D2 Grant after examination
8364 No opposition during term of opposition
8328 Change in the person/name/address of the agent

Free format text: BLUMBACH, KRAMER & PARTNER, 65193 WIESBADEN

8339 Ceased/non-payment of the annual fee