FR2523316B1 - QUADRUPLE FIBER OPTIC FIBER - Google Patents

QUADRUPLE FIBER OPTIC FIBER

Info

Publication number
FR2523316B1
FR2523316B1 FR8303686A FR8303686A FR2523316B1 FR 2523316 B1 FR2523316 B1 FR 2523316B1 FR 8303686 A FR8303686 A FR 8303686A FR 8303686 A FR8303686 A FR 8303686A FR 2523316 B1 FR2523316 B1 FR 2523316B1
Authority
FR
France
Prior art keywords
fiber
quadruple
fiber optic
optic
optic 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.)
Expired
Application number
FR8303686A
Other languages
French (fr)
Other versions
FR2523316A1 (en
Inventor
Leonard George Cohen
Wanda Lee 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 Corp
Original Assignee
Western Electric Co 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 Western Electric Co Inc filed Critical Western Electric Co Inc
Publication of FR2523316A1 publication Critical patent/FR2523316A1/en
Application granted granted Critical
Publication of FR2523316B1 publication Critical patent/FR2523316B1/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
    • G02B6/02214—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
    • 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
    • G02B6/02228—Dispersion flattened fibres, i.e. having a low dispersion variation over an extended wavelength range
    • G02B6/02233—Dispersion flattened fibres, i.e. having a low dispersion variation over an extended wavelength range having at least two dispersion zero wavelengths
    • 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
    • G02B6/02266—Positive dispersion fibres at 1550 nm
    • G02B6/02271—Non-zero dispersion shifted fibres, i.e. having a small positive dispersion at 1550 nm, e.g. ITU-T G.655 dispersion between 1.0 to 10 ps/nm.km for avoiding nonlinear 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
    • G02B6/036—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
    • G02B6/03666—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 arranged - + - +
FR8303686A 1982-03-11 1983-03-07 QUADRUPLE FIBER OPTIC FIBER Expired FR2523316B1 (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US35705382A 1982-03-11 1982-03-11

Publications (2)

Publication Number Publication Date
FR2523316A1 FR2523316A1 (en) 1983-09-16
FR2523316B1 true FR2523316B1 (en) 1987-11-27

Family

ID=23404110

Family Applications (1)

Application Number Title Priority Date Filing Date
FR8303686A Expired FR2523316B1 (en) 1982-03-11 1983-03-07 QUADRUPLE FIBER OPTIC FIBER

Country Status (6)

Country Link
JP (1) JPS58168004A (en)
CA (1) CA1248386A (en)
DE (1) DE3307874A1 (en)
FR (1) FR2523316B1 (en)
GB (1) GB2116744B (en)
NL (1) NL8300880A (en)

Families Citing this family (21)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
IL71644A (en) * 1983-05-20 1987-11-30 Corning Glass Works Low dispersion,low-loss single-mode optical waveguide
US4641917A (en) * 1985-02-08 1987-02-10 At&T Bell Laboratories Single mode optical fiber
NL8502625A (en) * 1985-09-26 1987-04-16 Philips Nv OPTICAL TRANSMISSION SYSTEM CONTAINING A RADIATION SOURCE AND A MULTIPLY COATED MONOMODE OPTICAL TRANSMISSION FIBER WITH A NEGATIVE STEP IN THE FRACTION INDEX PROFILE.
DE3812140A1 (en) * 1988-04-12 1989-11-02 Schott Glaswerke MONOMODE LIGHT FIBER
US5067793A (en) * 1989-08-16 1991-11-26 U.S. Philips Corporation Polarization-maintaining single-mode optical fibre and method of making same
US5361319A (en) * 1992-02-04 1994-11-01 Corning Incorporated Dispersion compensating devices and systems
US5553185A (en) * 1994-12-27 1996-09-03 Corning Incorporated Controlled dispersion optical waveguide
FR2736440B1 (en) * 1995-07-07 1997-08-01 Alcatel Submarcom SINGLE-MODE OPTICAL GUIDE WITH OFFSET DISPERSION AND LARGE EFFECTIVE MODE SURFACE
US5878182A (en) * 1997-06-05 1999-03-02 Lucent Technologies Inc. Optical fiber having a low-dispersion slope in the erbium amplifier region
GB9814526D0 (en) 1998-07-03 1998-09-02 Univ Southampton Optical fibre and optical fibre device
FR2782391A1 (en) * 1998-08-13 2000-02-18 Alsthom Cge Alcatel Shifted dispersion single mode fibre optic index doping technique; has central triangular, rectangular or trapezoidal profile and outer sheath region with specific inner doped region and higher doped outer region sections
TW451088B (en) 1999-04-16 2001-08-21 Sumitomo Electric Industries Optical fiber and optical transmission line including the same
US6573813B1 (en) 1999-04-23 2003-06-03 Massachusetts Institute Of Technology All-dielectric coaxial waveguide with annular sections
US6317549B1 (en) 1999-05-24 2001-11-13 Lucent Technologies Inc. Optical fiber having negative dispersion and low slope in the Erbium amplifier region
EP1111414A3 (en) * 1999-12-13 2007-08-08 Sumitomo Electric Industries, Ltd. Optical fiber and optical transmission system
JP4206623B2 (en) * 2000-09-01 2009-01-14 住友電気工業株式会社 Negative dispersion optical fiber and optical transmission line
US6856744B2 (en) 2002-02-13 2005-02-15 The Furukawa Electric Co., Ltd. Optical fiber and optical transmission line and optical communication system including such optical fiber
JP2005031581A (en) * 2003-07-11 2005-02-03 Sumitomo Electric Ind Ltd Optical fiber, optical fiber transmission line and optical transmission system
WO2005082801A2 (en) 2004-02-20 2005-09-09 Corning Incorporated Optical fiber and method for making such fiber
US7203407B2 (en) * 2004-10-21 2007-04-10 Corning Incorporated Rare earth doped single polarization double clad optical fiber and a method for making such fiber
JP4953097B2 (en) * 2008-06-12 2012-06-13 市光工業株式会社 Vehicle lighting

Family Cites Families (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
AU504423B2 (en) * 1975-11-14 1979-10-11 International Standard Electric Corporation Optical fibre
GB1602052A (en) * 1977-06-20 1981-11-04 Int Standard Electric Corp Optical fibre manufacture
US4179187A (en) * 1977-08-12 1979-12-18 Corning Glass Works Multiple mode waveguide having cylindrical perturbations
US4183621A (en) * 1977-12-29 1980-01-15 International Telephone And Telegraph Corporation Water resistant high strength fibers
GB2067781B (en) * 1979-10-29 1983-09-01 Standard Telephones Cables Ltd Optical fibres
DE3064002D1 (en) * 1980-02-12 1983-08-11 Post Office A glass optical fibre and a method of coating a plastic coated glass fibre with metal
US4418984A (en) * 1980-11-03 1983-12-06 Hughes Aircraft Company Multiply coated metallic clad fiber optical waveguide
JPS6014321B2 (en) * 1981-08-18 1985-04-12 日立電線株式会社 Constant polarization optical fiber
AU531893B2 (en) * 1981-08-19 1983-09-08 Hitachi Cable Ltd. d
CA1205307A (en) * 1981-12-07 1986-06-03 Venkata A. Bhagavatula Low dispersion, low-loss single-mode optical waveguide

Also Published As

Publication number Publication date
NL8300880A (en) 1983-10-03
CA1248386A (en) 1989-01-10
JPS6237361B2 (en) 1987-08-12
FR2523316A1 (en) 1983-09-16
JPS58168004A (en) 1983-10-04
DE3307874C2 (en) 1991-01-10
DE3307874A1 (en) 1983-09-22
GB2116744B (en) 1987-01-21
GB8306443D0 (en) 1983-04-13
GB2116744A (en) 1983-09-28

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Legal Events

Date Code Title Description
ST Notification of lapse