JP2981088B2 - 光ファイバとその製造方法及び光通信システム - Google Patents

光ファイバとその製造方法及び光通信システム

Info

Publication number
JP2981088B2
JP2981088B2 JP5209977A JP20997793A JP2981088B2 JP 2981088 B2 JP2981088 B2 JP 2981088B2 JP 5209977 A JP5209977 A JP 5209977A JP 20997793 A JP20997793 A JP 20997793A JP 2981088 B2 JP2981088 B2 JP 2981088B2
Authority
JP
Japan
Prior art keywords
optical fiber
fiber
optical
spin
torque
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
JP5209977A
Other languages
English (en)
Japanese (ja)
Other versions
JPH06171970A (ja
Inventor
クリフォード ハート，ジュニア アーサー
ガーナー ハフ リチャード
リー ウォーカー ケニス
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 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
Family has litigation
First worldwide family litigation filed litigation Critical https://patents.darts-ip.com/?family=25450006&utm_source=google_patent&utm_medium=platform_link&utm_campaign=public_patent_search&patent=JP2981088(B2) "Global patent litigation dataset” by Darts-ip is licensed under a Creative Commons Attribution 4.0 International License.
Application filed by AT&T Inc filed Critical AT&T Inc
Publication of JPH06171970A publication Critical patent/JPH06171970A/ja
Application granted granted Critical
Publication of JP2981088B2 publication Critical patent/JP2981088B2/ja
Anticipated expiration legal-status Critical
Expired - Lifetime 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
    • G02B6/02285—Characterised by the polarisation mode dispersion [PMD] properties, e.g. for minimising PMD
    • 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
    • C03B37/02—Manufacture of glass fibres or filaments by drawing or extruding, e.g. direct drawing of molten glass from nozzles; Cooling fins therefor
    • C03B37/025—Manufacture 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
    • C03B37/027—Fibres composed of different sorts of glass, e.g. glass optical fibres
    • 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
    • C03B37/02—Manufacture of glass fibres or filaments by drawing or extruding, e.g. direct drawing of molten glass from nozzles; Cooling fins therefor
    • C03B37/025—Manufacture 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
    • C03B37/027—Fibres composed of different sorts of glass, e.g. glass optical fibres
    • C03B37/02745—Fibres having rotational spin around the central longitudinal axis, e.g. alternating +/- spin to reduce polarisation mode 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
    • C03B37/02—Manufacture of glass fibres or filaments by drawing or extruding, e.g. direct drawing of molten glass from nozzles; Cooling fins therefor
    • C03B37/03—Drawing means, e.g. drawing drums ; Traction or tensioning devices
    • 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
    • C03B37/02—Manufacture of glass fibres or filaments by drawing or extruding, e.g. direct drawing of molten glass from nozzles; Cooling fins therefor
    • C03B37/03—Drawing means, e.g. drawing drums ; Traction or tensioning devices
    • C03B37/032—Drawing means, e.g. drawing drums ; Traction or tensioning devices for glass optical fibres
    • 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
    • G02B6/10—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings of the optical waveguide type
    • G02B6/105—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings of the optical waveguide type having optical polarisation effects
    • C—CHEMISTRY; METALLURGY
    • C03—GLASS; MINERAL OR SLAG WOOL
    • C03B—MANUFACTURE, SHAPING, OR SUPPLEMENTARY PROCESSES
    • C03B2203/00—Fibre product details, e.g. structure, shape
    • C03B2203/02—External structure or shape details
    • C03B2203/06—Axial perturbations, e.g. twist, by torsion, undulating, crimped
    • 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
    • C03B2203/18—Axial perturbations, e.g. in refractive index or composition
    • C03B2203/19—Alternating positive/negative spins or twists
    • 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
    • C03B2203/18—Axial perturbations, e.g. in refractive index or composition
    • C03B2203/20—Axial perturbations, e.g. in refractive index or composition helical
    • C—CHEMISTRY; METALLURGY
    • C03—GLASS; MINERAL OR SLAG WOOL
    • C03B—MANUFACTURE, SHAPING, OR SUPPLEMENTARY PROCESSES
    • C03B2203/00—Fibre product details, e.g. structure, shape
    • C03B2203/36—Dispersion modified fibres, e.g. wavelength or polarisation shifted, flattened or compensating fibres (DSF, DFF, DCF)
    • C—CHEMISTRY; METALLURGY
    • C03—GLASS; MINERAL OR SLAG WOOL
    • C03B—MANUFACTURE, SHAPING, OR SUPPLEMENTARY PROCESSES
    • C03B2205/00—Fibre drawing or extruding details
    • C03B2205/06—Rotating the fibre fibre about its longitudinal axis

Landscapes

  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Manufacturing & Machinery (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • General Life Sciences & Earth Sciences (AREA)
  • Geochemistry & Mineralogy (AREA)
  • Materials Engineering (AREA)
  • Organic Chemistry (AREA)
  • Dispersion Chemistry (AREA)
  • Optics & Photonics (AREA)
  • General Physics & Mathematics (AREA)
  • Optical Fibers, Optical Fiber Cores, And Optical Fiber Bundles (AREA)
  • Manufacture, Treatment Of Glass Fibers (AREA)
  • Optical Communication System (AREA)
JP5209977A 1992-08-03 1993-08-03 光ファイバとその製造方法及び光通信システム Expired - Lifetime JP2981088B2 (ja)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US924278 1992-08-03
US07/924,278 US5298047A (en) 1992-08-03 1992-08-03 Method of making a fiber having low polarization mode dispersion due to a permanent spin

Publications (2)

Publication Number Publication Date
JPH06171970A JPH06171970A (ja) 1994-06-21
JP2981088B2 true JP2981088B2 (ja) 1999-11-22

Family

ID=25450006

Family Applications (1)

Application Number Title Priority Date Filing Date
JP5209977A Expired - Lifetime JP2981088B2 (ja) 1992-08-03 1993-08-03 光ファイバとその製造方法及び光通信システム

Country Status (10)

Country Link
US (2) US5298047A (OSRAM)
EP (1) EP0582405B1 (OSRAM)
JP (1) JP2981088B2 (OSRAM)
KR (1) KR100328205B1 (OSRAM)
CN (1) CN1040201C (OSRAM)
CA (1) CA2098747C (OSRAM)
DE (1) DE69327823T2 (OSRAM)
DK (1) DK0582405T3 (OSRAM)
MX (1) MX9304583A (OSRAM)
TW (1) TW279841B (OSRAM)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP3070604B2 (ja) 1998-09-24 2000-07-31 住友電気工業株式会社 光ファイバ素線の製造方法
JP3070603B2 (ja) 1998-09-24 2000-07-31 住友電気工業株式会社 光ファイバ素線の製造方法
WO2013161825A1 (ja) 2012-04-26 2013-10-31 住友電気工業株式会社 マルチコア光ファイバ、マルチコア光ファイバケーブル、および、マルチコア光ファイバ伝送システム

Families Citing this family (124)

* Cited by examiner, † Cited by third party
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GB2286937B (en) * 1994-02-26 1998-06-10 Northern Telecom Ltd Spectral polarisation separator
JP3491644B2 (ja) * 1994-08-26 2004-01-26 住友電気工業株式会社 光ファイバの製造方法
JP4232910B2 (ja) * 1995-02-01 2009-03-04 プラズマ オプティカル ファイバー ベスローテン フェンノートシャップ 偏光モード分散を低減した光ファイバの製造方法
US6076376A (en) * 1995-03-01 2000-06-20 Sumitomo Electric Industries, Ltd. Method of making an optical fiber having an imparted twist
JP3353805B2 (ja) * 1996-03-14 2002-12-03 住友電気工業株式会社 光ファイバ線引き装置
JP3557606B2 (ja) * 1995-03-01 2004-08-25 住友電気工業株式会社 光ファイバおよび光ファイバの製造方法
AU693329B2 (en) * 1995-04-13 1998-06-25 Corning Incorporated Dispersion managed optical waveguide
CA2172747C (en) * 1995-05-24 1999-06-08 Frank Vincent Dimarcello Method of making optical fiber with low polarization mode dispersion
US5867616A (en) * 1995-08-10 1999-02-02 Corning Incorporated Polarization mode coupled single mode waveguide
US5613028A (en) * 1995-08-10 1997-03-18 Corning Incorporated Control of dispersion in an optical waveguide
DE69608655T2 (de) * 1995-08-16 2001-02-01 Plasma Optical Fibre B.V., Eindhoven Optische faser mit geringer polarisations-moden-dispersion
US5704960A (en) * 1995-12-20 1998-01-06 Corning, Inc. Method of forming an optical fiber for reduced polarization effects in amplifiers
TW342460B (en) * 1996-01-16 1998-10-11 Sumitomo Electric Industries A dispersion shift fiber
RU2166484C2 (ru) 1996-01-22 2001-05-10 Корнинг Инкорпорейтед Оптическое волокно с модулируемым скручиванием для уменьшения дисперсии поляризационных мод (варианты), способ (варианты) и устройство для его изготовления, совокупность оптических волокон
US6163630A (en) * 1996-02-15 2000-12-19 Corning Incorporated Method and apparatus for producing twisted solitons
EP0883577B1 (en) * 1996-02-26 2002-07-24 Corning Incorporated Method for providing controlled spin in optical fiber
US6324872B1 (en) 1996-04-12 2001-12-04 Corning Incorporated Method and apparatus for introducing controlled spin in optical fibers
US6189343B1 (en) 1996-11-13 2001-02-20 Fibre Ottiche Sud F.O.S. S.P.A. Apparatus and method for forming an optical fiber
DE69710991T2 (de) * 1996-11-13 2002-10-31 Fibre Ottiche Sud F.O.S. S.P.A., Battipaglia Vorrichtung und Verfahren zur Herstellung einer optischen Faser
EP1030823A4 (en) * 1997-09-25 2000-12-27 Corning Inc CONSTANT SLEEPING PROCEDURE
DE19810812A1 (de) * 1998-03-12 1999-09-16 Siemens Ag Optisches Übertragungselement sowie Verfahren zur Reduzierung dessen Polarisationsmoden-Dispersion
JP3833895B2 (ja) 1998-03-30 2006-10-18 シーゲイト テクノロジー エルエルシー スプリアス反射からの雑音を低減する手段を備えた光データ記憶システム
US6298027B1 (en) 1998-03-30 2001-10-02 Seagate Technology Llc Low-birefringence optical fiber for use in an optical data storage system
US6574015B1 (en) 1998-05-19 2003-06-03 Seagate Technology Llc Optical depolarizer
ATE263124T1 (de) * 1998-06-24 2004-04-15 Pirelli & C Spa Verfahren und vorrichtung zum drehen einer beschichteten optischen faser während des ziehens aus einer vorform
KR20010071612A (ko) 1998-06-24 2001-07-28 지아네시 피에르 지오반니 원석으로부터 광섬유를 제조하기 위한 장치 및 방법
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US6229937B1 (en) 1998-09-17 2001-05-08 Corning Incorporated Circularly polarized fiber in optical circuits
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JP2001048569A (ja) * 1999-08-04 2001-02-20 Sumitomo Electric Ind Ltd 光ファイバの線引方法
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KR100328205B1 (ko) 2002-06-20
DE69327823D1 (de) 2000-03-16
CA2098747A1 (en) 1994-02-04
CA2098747C (en) 1998-09-15
CN1083449A (zh) 1994-03-09
CN1040201C (zh) 1998-10-14
EP0582405B1 (en) 2000-02-09
KR940004351A (ko) 1994-03-15
TW279841B (OSRAM) 1996-07-01
US5298047A (en) 1994-03-29
EP0582405A1 (en) 1994-02-09
US5418881A (en) 1995-05-23

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