DK0582405T3 - Fremgangsmåde til trækning af en optisk fiber og fiber fremstillet herved - Google Patents

Fremgangsmåde til trækning af en optisk fiber og fiber fremstillet herved

Info

Publication number
DK0582405T3
DK0582405T3 DK93305780T DK93305780T DK0582405T3 DK 0582405 T3 DK0582405 T3 DK 0582405T3 DK 93305780 T DK93305780 T DK 93305780T DK 93305780 T DK93305780 T DK 93305780T DK 0582405 T3 DK0582405 T3 DK 0582405T3
Authority
DK
Denmark
Prior art keywords
fiber
made therewith
optical fiber
fiber made
optical
Prior art date
Application number
DK93305780T
Other languages
English (en)
Inventor
Kenneth Lee Walker
Richard Garner Huff
Arthur Clifford Hart Jr
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
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=DK0582405(T3) "Global patent litigation dataset” by Darts-ip is licensed under a Creative Commons Attribution 4.0 International License.
Application filed by At & T Corp filed Critical At & T Corp
Application granted granted Critical
Publication of DK0582405T3 publication Critical patent/DK0582405T3/da

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
    • G02B6/02285Characterised by the polarisation mode dispersion [PMD] properties, e.g. for minimising PMD
    • 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
    • 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
    • GPHYSICS
    • G02OPTICS
    • G02BOPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B6/00Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings
    • G02B6/10Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings of the optical waveguide type
    • G02B6/105Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings of the optical waveguide type having optical polarisation effects
    • CCHEMISTRY; METALLURGY
    • C03GLASS; MINERAL OR SLAG WOOL
    • C03BMANUFACTURE, SHAPING, OR SUPPLEMENTARY PROCESSES
    • C03B2203/00Fibre product details, e.g. structure, shape
    • C03B2203/02External structure or shape details
    • C03B2203/06Axial perturbations, e.g. twist, by torsion, undulating, crimped
    • 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
    • C03B2203/18Axial perturbations, e.g. in refractive index or composition
    • C03B2203/20Axial perturbations, e.g. in refractive index or composition helical
    • 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

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)
DK93305780T 1992-08-03 1993-07-22 Fremgangsmåde til trækning af en optisk fiber og fiber fremstillet herved DK0582405T3 (da)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
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 (1)

Publication Number Publication Date
DK0582405T3 true DK0582405T3 (da) 2000-06-13

Family

ID=25450006

Family Applications (1)

Application Number Title Priority Date Filing Date
DK93305780T DK0582405T3 (da) 1992-08-03 1993-07-22 Fremgangsmåde til trækning af en optisk fiber og fiber fremstillet herved

Country Status (10)

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

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JP2981088B2 (ja) 1999-11-22
US5418881A (en) 1995-05-23
CA2098747A1 (en) 1994-02-04
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EP0582405B1 (en) 2000-02-09
CA2098747C (en) 1998-09-15
TW279841B (da) 1996-07-01
EP0582405A1 (en) 1994-02-09
DE69327823D1 (de) 2000-03-16
KR100328205B1 (ko) 2002-06-20
MX9304583A (es) 1994-02-28
JPH06171970A (ja) 1994-06-21
DE69327823T2 (de) 2000-07-27
US5298047A (en) 1994-03-29
CN1040201C (zh) 1998-10-14

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