DK0744636T3 - Optiske fibre i virkeligheden fører to bølgeformer - Google Patents

Optiske fibre i virkeligheden fører to bølgeformer

Info

Publication number
DK0744636T3
DK0744636T3 DK96303407T DK96303407T DK0744636T3 DK 0744636 T3 DK0744636 T3 DK 0744636T3 DK 96303407 T DK96303407 T DK 96303407T DK 96303407 T DK96303407 T DK 96303407T DK 0744636 T3 DK0744636 T3 DK 0744636T3
Authority
DK
Denmark
Prior art keywords
waveforms
fact
optical fibers
fibers carry
carry
Prior art date
Application number
DK96303407T
Other languages
English (en)
Inventor
Kenneth Lee Walker
Frank Vincent Dimarcello
Arthur Clifford Hart Jr
Richard Garner Huff
Karen S Kranz
Original Assignee
At & T Corp
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 Corp filed Critical At & T Corp
Application granted granted Critical
Publication of DK0744636T3 publication Critical patent/DK0744636T3/da

Links

Classifications

    • 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
    • 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
    • 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
    • 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

Landscapes

  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • General Life Sciences & Earth Sciences (AREA)
  • Geochemistry & Mineralogy (AREA)
  • Manufacturing & Machinery (AREA)
  • Materials Engineering (AREA)
  • Organic Chemistry (AREA)
  • Dispersion Chemistry (AREA)
  • Manufacture, Treatment Of Glass Fibers (AREA)
  • Optical Fibers, Optical Fiber Cores, And Optical Fiber Bundles (AREA)
  • Yarns And Mechanical Finishing Of Yarns Or Ropes (AREA)
DK96303407T 1995-05-24 1996-05-14 Optiske fibre i virkeligheden fører to bølgeformer DK0744636T3 (da)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US44945595A 1995-05-24 1995-05-24

Publications (1)

Publication Number Publication Date
DK0744636T3 true DK0744636T3 (da) 2000-06-13

Family

ID=23784229

Family Applications (1)

Application Number Title Priority Date Filing Date
DK96303407T DK0744636T3 (da) 1995-05-24 1996-05-14 Optiske fibre i virkeligheden fører to bølgeformer

Country Status (6)

Country Link
EP (1) EP0744636B1 (da)
JP (1) JP3371056B2 (da)
CN (1) CN1109258C (da)
CA (1) CA2172747C (da)
DE (1) DE69606736T2 (da)
DK (1) DK0744636T3 (da)

Families Citing this family (16)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0785913B1 (en) * 1995-08-16 2000-05-31 Plasma Optical Fibre B.V. Optical fiber with low polarisation mode dispersion
US6324872B1 (en) 1996-04-12 2001-12-04 Corning Incorporated Method and apparatus for introducing controlled spin in optical fibers
BR9911553A (pt) * 1998-06-24 2001-03-20 Pirelli Cavi E Sistemi Spa Processo e aparelho para fabricar uma fibra óptica a partir de uma preforma e dispositivo para aplicar a uma fibra óptica, estirada a uma velocidade predeterminada a partir de uma extremidade aquecida de uma preforma, um torque em torno de um eixo de estiramento da mesma.
KR20010071612A (ko) 1998-06-24 2001-07-28 지아네시 피에르 지오반니 원석으로부터 광섬유를 제조하기 위한 장치 및 방법
CA2359033A1 (en) 1999-01-27 2000-08-03 Motohide Yoshida Method and apparatus for fabricating coated optical fiber, and coated optical fiber
EP1258751A4 (en) * 1999-11-08 2004-12-01 Sumitomo Electric Industries OPTICAL FIBER, MANUFACTURING METHOD THEREOF, AND OPTICAL TRANSMISSION SYSTEM CONTAINING THE SAME
US6859596B2 (en) * 2002-07-23 2005-02-22 Fitel Usa Corp. Systems and methods for forming ultra-low PMD optical fiber using amplitude and frequency keyed fiber spin functions
KR100441156B1 (ko) * 2002-08-31 2004-07-19 엘지전선 주식회사 광섬유에 인가되는 스핀을 모니터링하는 방법 및 양방향스핀의 대칭성을 확보하기 위한 광섬유 제조방법
FR2844260B1 (fr) 2002-09-09 2004-11-12 Cit Alcatel Systeme anti-pmd
FR2849438B1 (fr) * 2002-12-31 2005-03-18 Cit Alcatel Procede de controle de la dispersion modale de polarisation d'une fibre optique lors du fibrage
FR2856805B1 (fr) * 2003-06-24 2005-10-28 Cit Alcatel Systeme cotre la dispersion modale de polarisation d'une fibre optique
US7317855B2 (en) * 2004-12-16 2008-01-08 Corning Incorporated Method of imparting twist to optical fiber
JP2006347785A (ja) * 2005-06-13 2006-12-28 Shin Etsu Chem Co Ltd 光ファイバーの線引き装置及び線引き方法
EP1963233B1 (en) * 2005-12-23 2014-04-30 Prysmian S.p.A. Method and apparatus for the production of optical fibers with reduced polarization mode dispersion
DK2033029T3 (da) * 2006-06-22 2019-03-04 Prysmian Spa Optisk fiber med sinusoidal spin-funktion
JP5481830B2 (ja) 2008-10-20 2014-04-23 住友電気工業株式会社 光ファイバの製造装置および製造方法

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
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
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
EP0785913B1 (en) * 1995-08-16 2000-05-31 Plasma Optical Fibre B.V. Optical fiber with low polarisation mode dispersion

Also Published As

Publication number Publication date
EP0744636A3 (en) 1997-06-04
CA2172747C (en) 1999-06-08
EP0744636B1 (en) 2000-02-23
DE69606736T2 (de) 2000-07-27
JP3371056B2 (ja) 2003-01-27
CA2172747A1 (en) 1996-11-25
CN1109258C (zh) 2003-05-21
CN1159589A (zh) 1997-09-17
MX9601908A (es) 1997-07-31
DE69606736D1 (de) 2000-03-30
JPH092834A (ja) 1997-01-07
EP0744636A2 (en) 1996-11-27

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