DE60017579D1 - Verfahren zur messung des twists verliehen an einen optischen fiber und vorgehen bei dem verfahren zur verarbeitung eines optischen fibers - Google Patents

Verfahren zur messung des twists verliehen an einen optischen fiber und vorgehen bei dem verfahren zur verarbeitung eines optischen fibers

Info

Publication number
DE60017579D1
DE60017579D1 DE60017579T DE60017579T DE60017579D1 DE 60017579 D1 DE60017579 D1 DE 60017579D1 DE 60017579 T DE60017579 T DE 60017579T DE 60017579 T DE60017579 T DE 60017579T DE 60017579 D1 DE60017579 D1 DE 60017579D1
Authority
DE
Germany
Prior art keywords
optical fiber
signal
twist
measuring
optical fibre
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
DE60017579T
Other languages
English (en)
Other versions
DE60017579T2 (de
Inventor
Franco Cocchini
Arturo Ricco
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.)
Prysmian Cavi e Sistemi Energia SRL
Original Assignee
Pirelli and C 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 Pirelli and C SpA filed Critical Pirelli and C SpA
Application granted granted Critical
Publication of DE60017579D1 publication Critical patent/DE60017579D1/de
Publication of DE60017579T2 publication Critical patent/DE60017579T2/de
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
    • G02B6/10—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
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C48/00—Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor
    • B29C48/03—Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor characterised by the shape of the extruded material at extrusion
    • B29C48/05—Filamentary, e.g. strands
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C48/00—Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor
    • B29C48/15—Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor incorporating preformed parts or layers, e.g. extrusion moulding around inserts
    • B29C48/154—Coating solid articles, i.e. non-hollow articles
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C48/00—Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor
    • B29C48/25—Component parts, details or accessories; Auxiliary operations
    • B29C48/30—Extrusion nozzles or dies
    • B29C48/32—Extrusion nozzles or dies with annular openings, e.g. for forming tubular articles
    • B29C48/34—Cross-head annular extrusion nozzles, i.e. for simultaneously receiving moulding material and the preform to be coated
    • 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
    • C03B37/0253—Controlling or regulating
    • 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
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01B—MEASURING LENGTH, THICKNESS OR SIMILAR LINEAR DIMENSIONS; MEASURING ANGLES; MEASURING AREAS; MEASURING IRREGULARITIES OF SURFACES OR CONTOURS
    • G01B11/00—Measuring arrangements characterised by the use of optical techniques
    • G01B11/16—Measuring arrangements characterised by the use of optical techniques for measuring the deformation in a solid, e.g. optical strain gauge
    • G01B11/168—Measuring arrangements characterised by the use of optical techniques for measuring the deformation in a solid, e.g. optical strain gauge by means of polarisation
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01B—MEASURING LENGTH, THICKNESS OR SIMILAR LINEAR DIMENSIONS; MEASURING ANGLES; MEASURING AREAS; MEASURING IRREGULARITIES OF SURFACES OR CONTOURS
    • G01B21/00—Measuring arrangements or details thereof, where the measuring technique is not covered by the other groups of this subclass, unspecified or not relevant
    • G01B21/10—Measuring arrangements or details thereof, where the measuring technique is not covered by the other groups of this subclass, unspecified or not relevant for measuring diameters
    • G01B21/12—Measuring arrangements or details thereof, where the measuring technique is not covered by the other groups of this subclass, unspecified or not relevant for measuring diameters of objects while moving
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01B—MEASURING LENGTH, THICKNESS OR SIMILAR LINEAR DIMENSIONS; MEASURING ANGLES; MEASURING AREAS; MEASURING IRREGULARITIES OF SURFACES OR CONTOURS
    • G01B5/00—Measuring arrangements characterised by the use of mechanical techniques
    • G01B5/08—Measuring arrangements characterised by the use of mechanical techniques for measuring diameters
    • G01B5/10—Measuring arrangements characterised by the use of mechanical techniques for measuring diameters of objects while moving
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01B—MEASURING LENGTH, THICKNESS OR SIMILAR LINEAR DIMENSIONS; MEASURING ANGLES; MEASURING AREAS; MEASURING IRREGULARITIES OF SURFACES OR CONTOURS
    • G01B7/00—Measuring arrangements characterised by the use of electric or magnetic techniques
    • G01B7/12—Measuring arrangements characterised by the use of electric or magnetic techniques for measuring diameters
    • G01B7/125—Measuring arrangements characterised by the use of electric or magnetic techniques for measuring diameters of objects while moving
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01M—TESTING STATIC OR DYNAMIC BALANCE OF MACHINES OR STRUCTURES; TESTING OF STRUCTURES OR APPARATUS, NOT OTHERWISE PROVIDED FOR
    • G01M11/00—Testing of optical apparatus; Testing structures by optical methods not otherwise provided for
    • G01M11/30—Testing of optical devices, constituted by fibre optics or optical waveguides
    • G01M11/37—Testing of optical devices, constituted by fibre optics or optical waveguides in which light is projected perpendicularly to the axis of the fibre or waveguide for monitoring a section thereof
    • 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
    • C—CHEMISTRY; METALLURGY
    • C03—GLASS; MINERAL OR SLAG WOOL
    • C03B—MANUFACTURE, SHAPING, OR SUPPLEMENTARY PROCESSES
    • C03B2205/00—Fibre drawing or extruding details
    • C03B2205/40—Monitoring or regulating the draw tension or draw rate

Landscapes

  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Chemical & Material Sciences (AREA)
  • General Physics & Mathematics (AREA)
  • Manufacturing & Machinery (AREA)
  • Materials Engineering (AREA)
  • Geochemistry & Mineralogy (AREA)
  • General Life Sciences & Earth Sciences (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Organic Chemistry (AREA)
  • Mechanical Engineering (AREA)
  • Optics & Photonics (AREA)
  • Dispersion Chemistry (AREA)
  • Analytical Chemistry (AREA)
  • Manufacture, Treatment Of Glass Fibers (AREA)
  • Testing Of Optical Devices Or Fibers (AREA)
  • Light Guides In General And Applications Therefor (AREA)
DE60017579T 1999-10-29 2000-10-18 Verfahren zur messung des twists verliehen an einen optischen fiber und vorgehen bei dem verfahren zur verarbeitung eines optischen fibers Expired - Lifetime DE60017579T2 (de)

Applications Claiming Priority (5)

Application Number Priority Date Filing Date Title
EP99121543 1999-10-29
EP99121543 1999-10-29
US16357099P 1999-11-05 1999-11-05
US163570P 1999-11-05
PCT/EP2000/010248 WO2001033184A1 (en) 1999-10-29 2000-10-18 Method of measuring the twist imparted to an optical fibre and procedure for processing an optical fibre using this method

Publications (2)

Publication Number Publication Date
DE60017579D1 true DE60017579D1 (de) 2005-02-24
DE60017579T2 DE60017579T2 (de) 2006-03-23

Family

ID=26153158

Family Applications (1)

Application Number Title Priority Date Filing Date
DE60017579T Expired - Lifetime DE60017579T2 (de) 1999-10-29 2000-10-18 Verfahren zur messung des twists verliehen an einen optischen fiber und vorgehen bei dem verfahren zur verarbeitung eines optischen fibers

Country Status (8)

Country Link
US (1) US6837074B2 (de)
EP (1) EP1226415B1 (de)
JP (1) JP2003513267A (de)
AT (1) ATE287528T1 (de)
AU (1) AU7788800A (de)
DE (1) DE60017579T2 (de)
ES (1) ES2235956T3 (de)
WO (1) WO2001033184A1 (de)

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CA2433094C (en) * 2000-12-28 2011-10-04 Pirelli & C. S.P.A. Method for producing an optical fibre telecommunications cable with reduced polarization mode dispersion
US6910277B2 (en) * 2001-08-29 2005-06-28 Proulx Manufacturing, Inc. Noise attenuating flexible cutting line for use in rotary vegetation trimmers and method of manufacture
US6791678B2 (en) 2002-07-23 2004-09-14 Fitel Usa Corp. System and method for obtaining spin and mechanical twist data during optical fiber draw
US7035525B2 (en) * 2002-09-26 2006-04-25 Fitel Usa Corp. Methods and apparatuses for correcting mechanical twist in optical fiber
US20040062515A1 (en) * 2002-09-26 2004-04-01 Garner Harry Douglas Apparatuses and methods for imparting mechanical twist in optical fibers
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
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
US6876804B2 (en) * 2003-03-20 2005-04-05 Corning Incorporated Method of making a spun optical fiber with low polarization mode dispersion
FR2856805B1 (fr) * 2003-06-24 2005-10-28 Cit Alcatel Systeme cotre la dispersion modale de polarisation d'une fibre optique
KR20050005335A (ko) * 2003-07-01 2005-01-13 엘지전선 주식회사 꼬인 케이블의 피치를 측정하기 위한 방법 및 장치
EP1817263B1 (de) * 2004-12-02 2014-04-09 Prysmian S.p.A. Verfahren, system und vorrichtung zum versehen einer lichtleitfaser mit einer vorbestimmten drehung
US7317855B2 (en) * 2004-12-16 2008-01-08 Corning Incorporated Method of imparting twist to optical fiber
US20070201793A1 (en) * 2006-02-17 2007-08-30 Charles Askins Multi-core optical fiber and method of making and using same
DK2033029T3 (en) * 2006-06-22 2019-03-04 Prysmian Spa Optical fiber with sinusoidal spin function
WO2011112734A1 (en) * 2010-03-10 2011-09-15 Beta Lasermike, Inc. Lay length and ratio measuring device for electrical cable
US9877796B2 (en) 2013-09-30 2018-01-30 Koninklijke Philips N.V. System and method for minimizing fiber twist in optical shape sensing enabled devices
JP6500364B2 (ja) * 2014-08-13 2019-04-17 住友電気工業株式会社 光ファイバの製造方法および製造装置
JP6385472B2 (ja) 2014-06-17 2018-09-05 ヘレーウス クオーツ ノース アメリカ エルエルシーＨｅｒａｅｕｓ Ｑｕａｒｔｚ Ｎｏｒｔｈ Ａｍｅｒｉｃａ ＬＬＣ 透明な円柱状製品を測定するための装置および方法
CN104165810B (zh) * 2014-08-04 2016-05-18 常熟市环境试验设备有限公司 光缆扭弯试验装置
IT201600128201A1 (it) * 2016-12-19 2018-06-19 Lemur S R L Apparato e metodo per rivestire un'anima filiforme e articolo filiforme cosi' ottenuto
JP7501171B2 (ja) * 2020-07-07 2024-06-18 住友電気工業株式会社 光ファイバの製造方法
CN118317926A (zh) * 2021-11-29 2024-07-09 住友电气工业株式会社 光纤的扭转测定方法及光纤的制造方法
CN115385568B (zh) * 2022-09-09 2023-09-12 中国建筑材料科学研究总院有限公司 光学纤维的扭转方法及扭转装置、大口径光纤倒像器及制备方法

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Also Published As

Publication number Publication date
US6837074B2 (en) 2005-01-04
ES2235956T3 (es) 2005-07-16
DE60017579T2 (de) 2006-03-23
EP1226415A1 (de) 2002-07-31
EP1226415B1 (de) 2005-01-19
WO2001033184A1 (en) 2001-05-10
US20020178758A1 (en) 2002-12-05
ATE287528T1 (de) 2005-02-15
JP2003513267A (ja) 2003-04-08
AU7788800A (en) 2001-05-14

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Owner name: PRYSMIAN CAVI E SISTEMI ENERGIA S.R.L., MAILAN, IT