DK2348344T3 - Single-mode optisk fiber - Google Patents

Single-mode optisk fiber

Info

Publication number
DK2348344T3
DK2348344T3 DK11161756.9T DK11161756T DK2348344T3 DK 2348344 T3 DK2348344 T3 DK 2348344T3 DK 11161756 T DK11161756 T DK 11161756T DK 2348344 T3 DK2348344 T3 DK 2348344T3
Authority
DK
Denmark
Prior art keywords
optical fiber
mode optical
mode
fiber
optical
Prior art date
Application number
DK11161756.9T
Other languages
English (en)
Inventor
Shoichiro Matsuo
Hiroshi Kutami
Kuniharu Himeno
Hiroyuki Sawano
Original Assignee
Fujikura 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 Fujikura Ltd filed Critical Fujikura Ltd
Application granted granted Critical
Publication of DK2348344T3 publication Critical patent/DK2348344T3/da

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
    • 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
    • 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
    • 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
    • G02B6/0365—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
    • G02B6/03661—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
    • G02B6/03672—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 - - + -
    • 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
    • G02B6/03688—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 5 or more layers
    • 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
    • G02B6/02238—Low dispersion slope fibres
    • G02B6/02242—Low dispersion slope fibres having a dispersion slope <0.06 ps/km/nm2
    • 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
DK11161756.9T 2004-08-30 2005-08-23 Single-mode optisk fiber DK2348344T3 (da)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
JP2004250039 2004-08-30
JP2004296369 2004-10-08
EP05775131.5A EP1788411B1 (en) 2004-08-30 2005-08-23 Single-mode optical fiber

Publications (1)

Publication Number Publication Date
DK2348344T3 true DK2348344T3 (da) 2013-04-15

Family

ID=35999888

Family Applications (2)

Application Number Title Priority Date Filing Date
DK05775131.5T DK1788411T3 (da) 2004-08-30 2005-08-23 Single-mode optisk fiber
DK11161756.9T DK2348344T3 (da) 2004-08-30 2005-08-23 Single-mode optisk fiber

Family Applications Before (1)

Application Number Title Priority Date Filing Date
DK05775131.5T DK1788411T3 (da) 2004-08-30 2005-08-23 Single-mode optisk fiber

Country Status (7)

Country Link
US (1) US7440663B2 (da)
EP (2) EP2348344B1 (da)
JP (1) JP4833071B2 (da)
KR (1) KR100890976B1 (da)
CN (1) CN101006372B (da)
DK (2) DK1788411T3 (da)
WO (1) WO2006025231A1 (da)

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FR2893149B1 (fr) * 2005-11-10 2008-01-11 Draka Comteq France Fibre optique monomode.
FR2899693B1 (fr) 2006-04-10 2008-08-22 Draka Comteq France Fibre optique monomode.
JP2008058663A (ja) 2006-08-31 2008-03-13 Furukawa Electric Co Ltd:The 光ファイバおよび光ファイバテープならびに光インターコネクションシステム
JP2008058664A (ja) 2006-08-31 2008-03-13 Furukawa Electric Co Ltd:The 光ファイバおよび光ファイバテープならびに光インターコネクションシステム
JP2008090040A (ja) * 2006-10-03 2008-04-17 Furukawa Electric Co Ltd:The 光ファイバテープ心線
CN101373237B (zh) * 2007-08-22 2010-05-26 富通集团有限公司 一种优化色散特性的单模光纤
DK2206001T3 (da) 2007-11-09 2014-07-07 Draka Comteq Bv Optisk fiber, der er modstandsdygtig over for mikrobøjning
CN102221726A (zh) 2008-02-22 2011-10-19 住友电气工业株式会社 光纤及光缆
FR2930997B1 (fr) 2008-05-06 2010-08-13 Draka Comteq France Sa Fibre optique monomode
US7676129B1 (en) 2008-11-18 2010-03-09 Corning Incorporated Bend-insensitive fiber with two-segment core
FR2941539B1 (fr) * 2009-01-23 2011-02-25 Draka Comteq France Fibre optique monomode
JP5222752B2 (ja) * 2009-02-05 2013-06-26 株式会社フジクラ 光ファイバ
US8520298B2 (en) * 2009-02-26 2013-08-27 Cubic Corporation Tightly coiled amplifying optical fiber with reduced mode distortion
JP5575422B2 (ja) * 2009-05-20 2014-08-20 信越化学工業株式会社 光ファイバ
CN101598834B (zh) * 2009-06-26 2011-01-19 长飞光纤光缆有限公司 一种单模光纤及其制造方法
US8385701B2 (en) * 2009-09-11 2013-02-26 Corning Incorporated Low bend loss optical fiber
US8369662B2 (en) 2010-11-19 2013-02-05 Schleifring Und Apparatebau Gmbh Fiber optic rotary joint with extended temperature range
CN103380389B (zh) 2010-12-23 2016-03-09 普睿司曼股份公司 低宏弯曲损耗单模光纤
EP2655274B1 (en) 2010-12-23 2017-08-23 Prysmian S.p.A. Method of manufacturing an optical fibre glass preform
EP2495589A1 (en) * 2011-03-04 2012-09-05 Draka Comteq B.V. Rare earth doped amplifying optical fiber for compact devices and method of manufacturing thereof
US8873917B2 (en) 2011-05-20 2014-10-28 Corning Incorporated Low bend loss optical fiber
DK2639607T3 (da) 2011-07-04 2017-08-21 Fujikura Ltd Optisk fiber
EP3505983A1 (en) 2011-08-19 2019-07-03 Corning Incorporated Low bend loss optical fiber
JP5839393B2 (ja) * 2011-11-01 2016-01-06 日本電信電話株式会社 並列光伝送システムおよびこれに用いる光ファイバ
JP5697159B2 (ja) * 2011-11-01 2015-04-08 日本電信電話株式会社 受動型光伝送システムに用いる高強度伝送用光ファイバ
US9002164B2 (en) 2013-02-28 2015-04-07 Fujikura Ltd. Optical fiber and method of manufacturing the same
JP5789626B2 (ja) * 2013-03-01 2015-10-07 株式会社フジクラ 光ファイバおよび光伝送路
US9188736B2 (en) 2013-04-08 2015-11-17 Corning Incorporated Low bend loss optical fiber
CN103869410B (zh) * 2014-01-26 2015-12-30 烽火通信科技股份有限公司 一种具有兼容性的小弯曲半径单模光纤
US9586853B2 (en) 2014-07-09 2017-03-07 Corning Incorporated Method of making optical fibers in a reducing atmosphere
US9650281B2 (en) 2014-07-09 2017-05-16 Corning Incorporated Optical fiber with reducing hydrogen sensitivity
US10067287B2 (en) 2014-09-26 2018-09-04 Fujikura Ltd. Optical fiber and method of manufacturing the same
CN107111055B (zh) * 2014-09-26 2020-02-21 株式会社藤仓 光纤
WO2018022413A1 (en) * 2016-07-29 2018-02-01 Corning Incorporated Single mode optical fiber with chlorine doped core and low bend loss
EP3896038A4 (en) 2018-12-12 2022-08-17 Furukawa Electric Co., Ltd. GLASS FIBER AND METHOD OF MAKING GLASS FIBER
JP7019617B2 (ja) 2019-02-07 2022-02-15 古河電気工業株式会社 光ファイバおよび光ファイバの製造方法
JP7060532B2 (ja) 2019-02-25 2022-04-26 古河電気工業株式会社 光ファイバおよび光ファイバの製造方法
JP2020140080A (ja) * 2019-02-28 2020-09-03 住友電気工業株式会社 光ファイバ
JP2020140079A (ja) * 2019-02-28 2020-09-03 住友電気工業株式会社 光ファイバ

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Also Published As

Publication number Publication date
CN101006372A (zh) 2007-07-25
EP2348344B1 (en) 2013-02-20
US20070147756A1 (en) 2007-06-28
WO2006025231A1 (ja) 2006-03-09
US7440663B2 (en) 2008-10-21
EP2348344A1 (en) 2011-07-27
CN101006372B (zh) 2010-09-08
JP4833071B2 (ja) 2011-12-07
JPWO2006025231A1 (ja) 2008-05-08
EP1788411A1 (en) 2007-05-23
KR20070041618A (ko) 2007-04-18
EP1788411A4 (en) 2010-10-27
KR100890976B1 (ko) 2009-03-27
DK1788411T3 (da) 2014-03-17
EP1788411B1 (en) 2014-01-01

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