DK2033029T3 - Optisk fiber med sinusoidal spin-funktion - Google Patents

Optisk fiber med sinusoidal spin-funktion Download PDF

Info

Publication number
DK2033029T3
DK2033029T3 DK06763847.8T DK06763847T DK2033029T3 DK 2033029 T3 DK2033029 T3 DK 2033029T3 DK 06763847 T DK06763847 T DK 06763847T DK 2033029 T3 DK2033029 T3 DK 2033029T3
Authority
DK
Denmark
Prior art keywords
spin
fiber
amplitude
period
beat length
Prior art date
Application number
DK06763847.8T
Other languages
English (en)
Inventor
Davide Sarchi
Maddalena Ferrario
Original Assignee
Prysmian Spa
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 Prysmian Spa filed Critical Prysmian Spa
Application granted granted Critical
Publication of DK2033029T3 publication Critical patent/DK2033029T3/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
    • C03B37/025—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
    • C03B2203/02—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
    • C03B2203/36—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)
  • Dispersion Chemistry (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • General Life Sciences & Earth Sciences (AREA)
  • Geochemistry & Mineralogy (AREA)
  • Manufacturing & Machinery (AREA)
  • Materials Engineering (AREA)
  • Organic Chemistry (AREA)
  • Manufacture, Treatment Of Glass Fibers (AREA)
  • Spinning Methods And Devices For Manufacturing Artificial Fibers (AREA)

Claims (1)

1. Optisk fiber med et indefrosset i det væsentlige sinusoidalt spin (200), der har en spin-amplitude og en spin-funktionsperiode (T), kendetegnet ved, at et forhold mellem spin-amplituden og spin-funktionsperioden (T) af det inde-frossede i det væsentlige sinusoidale spin (200) ligger i området: fra 0,2 til 0,6 omdrejninger/m2, hvis spin-funktionsperioden (T) ligger mellem 1.7 og 3,3 m; fra 0,4 til 0,7 omdrejninger/m2, hvis spin-funktionsperioden (T) ligger mellem 1,2 og 6,7 m; fra 0,5 til 1,2 omdrejninger/m2, hvis spin-funktionsperioden (T) ligger mellem 6.7 og 15 m.
DK06763847.8T 2006-06-22 2006-06-22 Optisk fiber med sinusoidal spin-funktion DK2033029T3 (da)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
PCT/EP2006/063454 WO2007147440A1 (en) 2006-06-22 2006-06-22 Method of making a low pmd optical fiber

Publications (1)

Publication Number Publication Date
DK2033029T3 true DK2033029T3 (da) 2019-03-04

Family

ID=36843240

Family Applications (1)

Application Number Title Priority Date Filing Date
DK06763847.8T DK2033029T3 (da) 2006-06-22 2006-06-22 Optisk fiber med sinusoidal spin-funktion

Country Status (6)

Country Link
US (1) US8443631B2 (da)
EP (1) EP2033029B1 (da)
DK (1) DK2033029T3 (da)
ES (1) ES2710110T3 (da)
PL (1) PL2033029T3 (da)
WO (1) WO2007147440A1 (da)

Family Cites Families (18)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2101762B (en) 1981-07-07 1984-11-28 Central Electr Generat Board Optic fibre
FR2537608B2 (fr) * 1982-12-10 1985-12-27 Thomson Csf Dispositif de fabrication d'un objet a structure chiralique a partir d'une source de matiere formable
US5228893A (en) * 1991-11-27 1993-07-20 At&T Bell Laboratories Optical fiber tension monitoring technique
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
CA2172747C (en) 1995-05-24 1999-06-08 Frank Vincent Dimarcello Method of making optical fiber with low polarization mode dispersion
AU719604B2 (en) * 1996-01-22 2000-05-11 Corning Incorporated Optical fiber of modulated spin for reduced polarisation mode dispersion as well as process and apparatus for its manufacture
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
DE60017579T2 (de) * 1999-10-29 2006-03-23 Pirelli & C. S.P.A. Verfahren zur messung des twists verliehen an einen optischen fiber und vorgehen bei dem verfahren zur verarbeitung eines optischen fibers
ATE339700T1 (de) 2000-07-06 2006-10-15 Prysmian Cavi Sistemi Energia Optische faser mit geringer polarisationsmodendispersion und zugehöriges herstellungsverfahren
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
KR100401342B1 (en) * 2002-08-31 2003-10-10 Lg Cable Ltd Apparatus for spinning optical fiber and apparatus and method for fabricating optical fiber using the same
WO2004050573A1 (en) * 2002-09-25 2004-06-17 Giacomo Stefano Roba Process for producing an optical fiber having a low polarization mode dispersion
AU2002361253B2 (en) 2002-12-30 2009-11-05 Prysmian Cavi E Sistemi Energia S.R.L. Method for producing an optical fiber having low polarization mode dispersion
US7861556B2 (en) * 2003-02-28 2011-01-04 Corning Incorporated Method and apparatus for impulsively spinning optical fiber
US6876804B2 (en) * 2003-03-20 2005-04-05 Corning Incorporated Method of making a spun optical fiber with low polarization mode dispersion
CN1209308C (zh) * 2003-03-28 2005-07-06 长飞光纤光缆有限公司 低偏振模色散单模光纤的制造方法及用该方法制备的光纤
BR0318487A (pt) * 2003-08-29 2006-09-12 Prysmian Cavi Sistemi Energia processo para produzir uma fibra ótica de dispersão de modo de baixa polarização

Also Published As

Publication number Publication date
EP2033029B1 (en) 2018-11-14
PL2033029T3 (pl) 2019-05-31
EP2033029A1 (en) 2009-03-11
US20100232754A1 (en) 2010-09-16
WO2007147440A1 (en) 2007-12-27
ES2710110T3 (es) 2019-04-23
US8443631B2 (en) 2013-05-21

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