HK1047619B - 色散管理光纖、其製造方法、包含它的光通信系統及光纖母材 - Google Patents

色散管理光纖、其製造方法、包含它的光通信系統及光纖母材

Info

Publication number
HK1047619B
HK1047619B HK02108659.3A HK02108659A HK1047619B HK 1047619 B HK1047619 B HK 1047619B HK 02108659 A HK02108659 A HK 02108659A HK 1047619 B HK1047619 B HK 1047619B
Authority
HK
Hong Kong
Prior art keywords
optical fiber
fiber
optical
opetical
manufacturing
Prior art date
Application number
HK02108659.3A
Other languages
English (en)
Other versions
HK1047619A1 (en
Inventor
田中茂
西村正幸
石川真二
笹岡英資
加藤考利
Original Assignee
住友電氣工業株式會社
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 住友電氣工業株式會社 filed Critical 住友電氣工業株式會社
Publication of HK1047619A1 publication Critical patent/HK1047619A1/xx
Publication of HK1047619B publication Critical patent/HK1047619B/zh

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
    • G02B6/02214Optical fibres with cladding with or without a coating tailored to obtain the desired dispersion, e.g. dispersion shifted, dispersion flattened
    • G02B6/02219Characterised 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
    • G02B6/02228Dispersion flattened fibres, i.e. having a low dispersion variation over an extended wavelength range
    • G02B6/02238Low dispersion slope fibres
    • G02B6/02242Low dispersion slope fibres having a dispersion slope <0.06 ps/km/nm2
    • CCHEMISTRY; METALLURGY
    • C03GLASS; MINERAL OR SLAG WOOL
    • C03BMANUFACTURE, SHAPING, OR SUPPLEMENTARY PROCESSES
    • C03B37/00Manufacture or treatment of flakes, fibres, or filaments from softened glass, minerals, or slags
    • C03B37/01Manufacture of glass fibres or filaments
    • C03B37/02Manufacture of glass fibres or filaments by drawing or extruding, e.g. direct drawing of molten glass from nozzles; Cooling fins therefor
    • C03B37/025Manufacture of glass fibres or filaments by drawing or extruding, e.g. direct drawing of molten glass from nozzles; Cooling fins therefor from reheated softened tubes, rods, fibres or filaments, e.g. drawing fibres from preforms
    • C03B37/0253Controlling or regulating
    • CCHEMISTRY; METALLURGY
    • C03GLASS; MINERAL OR SLAG WOOL
    • C03BMANUFACTURE, SHAPING, OR SUPPLEMENTARY PROCESSES
    • C03B37/00Manufacture or treatment of flakes, fibres, or filaments from softened glass, minerals, or slags
    • C03B37/01Manufacture of glass fibres or filaments
    • C03B37/02Manufacture of glass fibres or filaments by drawing or extruding, e.g. direct drawing of molten glass from nozzles; Cooling fins therefor
    • C03B37/025Manufacture of glass fibres or filaments by drawing or extruding, e.g. direct drawing of molten glass from nozzles; Cooling fins therefor from reheated softened tubes, rods, fibres or filaments, e.g. drawing fibres from preforms
    • C03B37/027Fibres composed of different sorts of glass, e.g. glass optical fibres
    • CCHEMISTRY; METALLURGY
    • C03GLASS; MINERAL OR SLAG WOOL
    • C03BMANUFACTURE, SHAPING, OR SUPPLEMENTARY PROCESSES
    • C03B37/00Manufacture or treatment of flakes, fibres, or filaments from softened glass, minerals, or slags
    • C03B37/01Manufacture of glass fibres or filaments
    • C03B37/02Manufacture of glass fibres or filaments by drawing or extruding, e.g. direct drawing of molten glass from nozzles; Cooling fins therefor
    • C03B37/025Manufacture of glass fibres or filaments by drawing or extruding, e.g. direct drawing of molten glass from nozzles; Cooling fins therefor from reheated softened tubes, rods, fibres or filaments, e.g. drawing fibres from preforms
    • C03B37/027Fibres composed of different sorts of glass, e.g. glass optical fibres
    • C03B37/02745Fibres having rotational spin around the central longitudinal axis, e.g. alternating +/- spin to reduce polarisation mode dispersion
    • CCHEMISTRY; METALLURGY
    • C03GLASS; MINERAL OR SLAG WOOL
    • C03BMANUFACTURE, SHAPING, OR SUPPLEMENTARY PROCESSES
    • C03B37/00Manufacture or treatment of flakes, fibres, or filaments from softened glass, minerals, or slags
    • C03B37/01Manufacture of glass fibres or filaments
    • C03B37/02Manufacture of glass fibres or filaments by drawing or extruding, e.g. direct drawing of molten glass from nozzles; Cooling fins therefor
    • C03B37/03Drawing means, e.g. drawing drums ; Traction or tensioning devices
    • C03B37/032Drawing means, e.g. drawing drums ; Traction or tensioning devices for glass optical fibres
    • CCHEMISTRY; METALLURGY
    • C03GLASS; MINERAL OR SLAG WOOL
    • C03CCHEMICAL 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
    • C03C25/00Surface treatment of fibres or filaments made from glass, minerals or slags
    • C03C25/10Coating
    • C03C25/104Coating to obtain optical fibres
    • C03C25/106Single coatings
    • C03C25/1061Inorganic coatings
    • C03C25/1062Carbon
    • CCHEMISTRY; METALLURGY
    • C03GLASS; MINERAL OR SLAG WOOL
    • C03CCHEMICAL 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
    • C03C25/00Surface treatment of fibres or filaments made from glass, minerals or slags
    • C03C25/10Coating
    • C03C25/12General methods of coating; Devices therefor
    • C03C25/22Deposition from the vapour phase
    • C03C25/223Deposition from the vapour phase by chemical vapour deposition or pyrolysis
    • 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
    • G02B6/02214Optical fibres with cladding with or without a coating tailored to obtain the desired dispersion, e.g. dispersion shifted, dispersion flattened
    • G02B6/02219Characterised 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
    • G02B6/02247Dispersion varying along the longitudinal direction, e.g. dispersion managed fibre
    • 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
    • G02B6/02214Optical fibres with cladding with or without a coating tailored to obtain the desired dispersion, e.g. dispersion shifted, dispersion flattened
    • G02B6/02219Characterised 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
    • G02B6/02252Negative dispersion fibres at 1550 nm
    • G02B6/02257Non-zero dispersion shifted fibres, i.e. having a small negative dispersion at 1550 nm, e.g. ITU-T G.655 dispersion between - 1.0 to - 10 ps/nm.km for avoiding nonlinear effects
    • 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
    • G02B6/02214Optical fibres with cladding with or without a coating tailored to obtain the desired dispersion, e.g. dispersion shifted, dispersion flattened
    • G02B6/02219Characterised 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
    • G02B6/02266Positive dispersion fibres at 1550 nm
    • G02B6/02271Non-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
    • 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
    • G02B6/036Optical 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
    • G02B6/03633Optical 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
    • G02B6/036Optical 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
    • G02B6/03638Optical 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
    • G02B6/03644Optical 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 - + -
    • 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
    • G02B6/03638Optical 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
    • G02B6/0365Optical 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 - - +
    • 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
    • G02B6/03661Optical 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
    • G02B6/03666Optical 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 - + - +
    • GPHYSICS
    • G02OPTICS
    • G02BOPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B6/00Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings
    • G02B6/24Coupling light guides
    • G02B6/26Optical coupling means
    • G02B6/28Optical coupling means having data bus means, i.e. plural waveguides interconnected and providing an inherently bidirectional system by mixing and splitting signals
    • G02B6/293Optical coupling means having data bus means, i.e. plural waveguides interconnected and providing an inherently bidirectional system by mixing and splitting signals with wavelength selective means
    • G02B6/29371Optical coupling means having data bus means, i.e. plural waveguides interconnected and providing an inherently bidirectional system by mixing and splitting signals with wavelength selective means operating principle based on material dispersion
    • G02B6/29374Optical coupling means having data bus means, i.e. plural waveguides interconnected and providing an inherently bidirectional system by mixing and splitting signals with wavelength selective means operating principle based on material dispersion in an optical light guide
    • G02B6/29376Optical coupling means having data bus means, i.e. plural waveguides interconnected and providing an inherently bidirectional system by mixing and splitting signals with wavelength selective means operating principle based on material dispersion in an optical light guide coupling light guides for controlling wavelength dispersion, e.g. by concatenation of two light guides having different dispersion properties
    • G02B6/29377Optical coupling means having data bus means, i.e. plural waveguides interconnected and providing an inherently bidirectional system by mixing and splitting signals with wavelength selective means operating principle based on material dispersion in an optical light guide coupling light guides for controlling wavelength dispersion, e.g. by concatenation of two light guides having different dispersion properties controlling dispersion around 1550 nm, i.e. S, C, L and U bands from 1460-1675 nm
    • CCHEMISTRY; METALLURGY
    • C03GLASS; MINERAL OR SLAG WOOL
    • C03BMANUFACTURE, SHAPING, OR SUPPLEMENTARY PROCESSES
    • C03B2201/00Type of glass produced
    • C03B2201/06Doped silica-based glasses
    • C03B2201/30Doped silica-based glasses doped with metals, e.g. Ga, Sn, Sb, Pb or Bi
    • C03B2201/31Doped silica-based glasses doped with metals, e.g. Ga, Sn, Sb, Pb or Bi doped with germanium
    • CCHEMISTRY; METALLURGY
    • C03GLASS; MINERAL OR SLAG WOOL
    • C03BMANUFACTURE, SHAPING, OR SUPPLEMENTARY PROCESSES
    • C03B2203/00Fibre product details, e.g. structure, shape
    • C03B2203/10Internal structure or shape details
    • C03B2203/18Axial perturbations, e.g. in refractive index or composition
    • C03B2203/19Alternating positive/negative spins or twists
    • CCHEMISTRY; METALLURGY
    • C03GLASS; MINERAL OR SLAG WOOL
    • C03BMANUFACTURE, SHAPING, OR SUPPLEMENTARY PROCESSES
    • C03B2203/00Fibre product details, e.g. structure, shape
    • C03B2203/10Internal structure or shape details
    • C03B2203/22Radial profile of refractive index, composition or softening point
    • CCHEMISTRY; METALLURGY
    • C03GLASS; MINERAL OR SLAG WOOL
    • C03BMANUFACTURE, SHAPING, OR SUPPLEMENTARY PROCESSES
    • C03B2203/00Fibre product details, e.g. structure, shape
    • C03B2203/36Dispersion modified fibres, e.g. wavelength or polarisation shifted, flattened or compensating fibres (DSF, DFF, DCF)
    • CCHEMISTRY; METALLURGY
    • C03GLASS; MINERAL OR SLAG WOOL
    • C03BMANUFACTURE, SHAPING, OR SUPPLEMENTARY PROCESSES
    • C03B2205/00Fibre drawing or extruding details
    • C03B2205/06Rotating the fibre fibre about its longitudinal axis
    • CCHEMISTRY; METALLURGY
    • C03GLASS; MINERAL OR SLAG WOOL
    • C03BMANUFACTURE, SHAPING, OR SUPPLEMENTARY PROCESSES
    • C03B2205/00Fibre drawing or extruding details
    • C03B2205/40Monitoring or regulating the draw tension or draw rate
    • CCHEMISTRY; METALLURGY
    • C03GLASS; MINERAL OR SLAG WOOL
    • C03BMANUFACTURE, SHAPING, OR SUPPLEMENTARY PROCESSES
    • C03B2205/00Fibre drawing or extruding details
    • C03B2205/60Optical fibre draw furnaces
    • C03B2205/72Controlling or measuring the draw furnace temperature

Landscapes

  • Chemical & Material Sciences (AREA)
  • Dispersion Chemistry (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Optics & Photonics (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Geochemistry & Mineralogy (AREA)
  • Materials Engineering (AREA)
  • Organic Chemistry (AREA)
  • General Life Sciences & Earth Sciences (AREA)
  • Manufacturing & Machinery (AREA)
  • General Chemical & Material Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Inorganic Chemistry (AREA)
  • Glass Compositions (AREA)
  • Optical Communication System (AREA)
  • Optical Fibers, Optical Fiber Cores, And Optical Fiber Bundles (AREA)
HK02108659.3A 1999-09-27 2002-11-29 色散管理光纖、其製造方法、包含它的光通信系統及光纖母材 HK1047619B (zh)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP27269499 1999-09-27
PCT/JP2000/006443 WO2001023924A1 (fr) 1999-09-27 2000-09-20 Fibre optique a gestion de distribution, son procede de fabrication, systeme de communication optique l'utilisation et materiau de base de fibre optique

Publications (2)

Publication Number Publication Date
HK1047619A1 HK1047619A1 (en) 2003-02-28
HK1047619B true HK1047619B (zh) 2006-01-13

Family

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Family Applications (1)

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HK02108659.3A HK1047619B (zh) 1999-09-27 2002-11-29 色散管理光纖、其製造方法、包含它的光通信系統及光纖母材

Country Status (9)

Country Link
US (1) US6535677B1 (zh)
EP (1) EP1239312A4 (zh)
KR (1) KR20020038774A (zh)
CN (1) CN1206551C (zh)
AU (1) AU772538B2 (zh)
CA (1) CA2385935A1 (zh)
HK (1) HK1047619B (zh)
TW (1) TW468068B (zh)
WO (1) WO2001023924A1 (zh)

Families Citing this family (23)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP4372330B2 (ja) * 2000-10-30 2009-11-25 富士通株式会社 分布型光増幅装置、光通信用の局および光通信システム
GB0112895D0 (en) * 2001-05-26 2001-07-18 Corning Cable Systems Ltd Optical cables and methods of repairing damaged optical cable installations
US20020181879A1 (en) * 2001-05-31 2002-12-05 Bickham Scott Robertson Chromatic dispersion compensation and dispersion slope compensation method and apparatus
FR2828939B1 (fr) * 2001-08-27 2004-01-16 Cit Alcatel Fibre optique pour un systeme de transmission a multiplexage en longueurs d'onde
JP2003066262A (ja) * 2001-08-29 2003-03-05 Sumitomo Electric Ind Ltd 光伝送路および光通信システム
KR100426395B1 (ko) * 2001-10-31 2004-04-08 엘지전선 주식회사 고분산 광섬유를 이용한 광케이블
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
FR2842610B1 (fr) * 2002-07-18 2004-11-12 Cit Alcatel Fibre optique a gestion de dispersion
CN1310045C (zh) * 2002-10-01 2007-04-11 古河电气工业株式会社 光纤、光传送线路以及光纤的制造方法
CN100343704C (zh) * 2002-12-24 2007-10-17 皮雷利&C·有限公司 接合损耗低的光纤及其制造方法
KR100506311B1 (ko) * 2003-01-20 2005-08-05 삼성전자주식회사 광대역 분산 제어 광섬유
JP4172315B2 (ja) * 2003-04-22 2008-10-29 住友電気工業株式会社 光伝送路及び光伝送システム
US6959137B2 (en) * 2003-06-11 2005-10-25 Fitel U.S.A. Corporation Large-effective-area inverse dispersion compensating fiber, and a transmission line incorporating the same
US7016202B2 (en) * 2004-05-03 2006-03-21 Evserv Tech Corporation Power actuation structure
JP4689684B2 (ja) * 2005-01-21 2011-05-25 ジェスチャー テック,インコーポレイテッド 動作に基づくトラッキング
US7257301B2 (en) * 2005-03-31 2007-08-14 Baker Hughes Incorporated Optical fiber
WO2008044600A1 (fr) * 2006-10-04 2008-04-17 The Furukawa Electric Co., Ltd. Fibre optique et voie de transmission par fibre optique
EP2138471A1 (en) * 2008-06-25 2009-12-30 Acreo AB Atomic layer deposition of hydrogen barrier coatings on optical fibers
JP2012020908A (ja) * 2010-07-15 2012-02-02 Sumitomo Electric Ind Ltd 光ファイバの製造方法及び光ファイバ
CN103257393B (zh) * 2012-10-30 2015-03-04 长飞光纤光缆股份有限公司 一种大有效面积光纤
CN103900620B (zh) * 2014-03-20 2016-03-30 上海交通大学 一种连续制造光纤传感器的装置及方法
JP7128213B2 (ja) * 2017-06-02 2022-08-30 コムスコープ テクノロジーズ リミティド ライアビリティ カンパニー 空間分割多重光通信用同心円状ファイバ及びその使用方法
US20210032153A1 (en) * 2019-07-30 2021-02-04 Corning Incorporated Tension-based methods for forming bandwidth tuned optical fibers for bi-modal optical data transmission

Family Cites Families (22)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4435040A (en) * 1981-09-03 1984-03-06 Bell Telephone Laboratories, Incorporated Double-clad optical fiberguide
JP2533083B2 (ja) * 1985-10-04 1996-09-11 住友電気工業株式会社 1.5μ帯零分散シングルモ−ドフアイバ
JPS62291605A (ja) * 1986-06-11 1987-12-18 Sumitomo Electric Ind Ltd 光フアイバ
JPS63208003A (ja) * 1987-02-25 1988-08-29 Sumitomo Electric Ind Ltd 光フアイバ
JPH01121142A (ja) * 1987-11-04 1989-05-12 Nec Corp 移動ステージ
JP2556350B2 (ja) * 1988-05-26 1996-11-20 株式会社フジクラ Na変換光ファイバの製造方法
JP2584151B2 (ja) * 1991-06-11 1997-02-19 株式会社フジクラ 光ファイバ
JP3098828B2 (ja) * 1991-12-09 2000-10-16 住友電気工業株式会社 分散シフトファイバ及びその製造方法
US5298047A (en) * 1992-08-03 1994-03-29 At&T Bell Laboratories Method of making a fiber having low polarization mode dispersion due to a permanent spin
US5483612A (en) * 1994-10-17 1996-01-09 Corning Incorporated Increased capacity optical waveguide
JP3307518B2 (ja) 1995-01-30 2002-07-24 株式会社フジクラ 低分散光ファイバの製法
US5894537A (en) 1996-01-11 1999-04-13 Corning Incorporated Dispersion managed optical waveguide
AU693329B2 (en) * 1995-04-13 1998-06-25 Corning Incorporated Dispersion managed optical waveguide
CA2195614C (en) 1996-02-16 2005-06-28 George F. Wildeman Symmetric, dispersion-manager fiber optic cable and system
CA2245700A1 (en) * 1996-02-23 1997-08-28 Michael S. Dobbins Method of making dispersion decreasing and dispersion managed optical fiber
JPH10167750A (ja) * 1996-12-17 1998-06-23 Shin Etsu Chem Co Ltd ソリトンパルス圧縮用光ファイバの製造方法
JP3948055B2 (ja) * 1997-06-30 2007-07-25 住友電気工業株式会社 光ファイバ製造方法および光ファイバ
JP3786761B2 (ja) * 1997-07-11 2006-06-14 株式会社フジクラ 低分散光ファイバ及びその製造方法
JPH1184151A (ja) * 1997-09-11 1999-03-26 Fujikura Ltd 光ファイバグレーティングおよびその製造方法
KR20010086128A (ko) * 1998-12-18 2001-09-07 지아네시 피에르 지오반니 손실 및 비-선형 효과가 낮은 광학 시스템과 그의 제조방법
EP1243948A4 (en) * 1999-09-17 2005-09-21 Sumitomo Electric Industries OPTICAL TRANSMISSION LINE
US6389207B1 (en) * 1999-12-13 2002-05-14 Corning Incorporated Dispersion managed fiber

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EP1239312A4 (en) 2005-09-21
HK1047619A1 (en) 2003-02-28
KR20020038774A (ko) 2002-05-23
AU772538B2 (en) 2004-04-29
TW468068B (en) 2001-12-11
US6535677B1 (en) 2003-03-18
EP1239312A1 (en) 2002-09-11
CN1206551C (zh) 2005-06-15
WO2001023924A1 (fr) 2001-04-05
AU7318000A (en) 2001-04-30
CN1376272A (zh) 2002-10-23
CA2385935A1 (en) 2001-04-05

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