DE69327823D1 - Verfahren zum Ziehen einer optischen Faser und die so hergestellte Faser - Google Patents

Verfahren zum Ziehen einer optischen Faser und die so hergestellte Faser

Info

Publication number
DE69327823D1
DE69327823D1 DE69327823T DE69327823T DE69327823D1 DE 69327823 D1 DE69327823 D1 DE 69327823D1 DE 69327823 T DE69327823 T DE 69327823T DE 69327823 T DE69327823 T DE 69327823T DE 69327823 D1 DE69327823 D1 DE 69327823D1
Authority
DE
Germany
Prior art keywords
fiber
produced
optical fiber
optical
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
DE69327823T
Other languages
English (en)
Other versions
DE69327823T2 (de
Inventor
Hart, Jr
Richard Garner Huff
Kenneth Lee Walker
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 Corp
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=DE69327823(D1) "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
Publication of DE69327823D1 publication Critical patent/DE69327823D1/de
Application granted granted Critical
Publication of DE69327823T2 publication Critical patent/DE69327823T2/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
    • G02B6/02—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)
  • Materials Engineering (AREA)
  • Manufacturing & Machinery (AREA)
  • Geochemistry & Mineralogy (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Organic Chemistry (AREA)
  • General Life Sciences & Earth Sciences (AREA)
  • Dispersion Chemistry (AREA)
  • General Physics & Mathematics (AREA)
  • Optics & Photonics (AREA)
  • Optical Fibers, Optical Fiber Cores, And Optical Fiber Bundles (AREA)
  • Manufacture, Treatment Of Glass Fibers (AREA)
  • Optical Communication System (AREA)
DE69327823T 1992-08-03 1993-07-22 Verfahren zum Ziehen einer optischen Faser und die so hergestellte Faser Expired - Lifetime DE69327823T2 (de)

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 (2)

Publication Number Publication Date
DE69327823D1 true DE69327823D1 (de) 2000-03-16
DE69327823T2 DE69327823T2 (de) 2000-07-27

Family

ID=25450006

Family Applications (1)

Application Number Title Priority Date Filing Date
DE69327823T Expired - Lifetime DE69327823T2 (de) 1992-08-03 1993-07-22 Verfahren zum Ziehen einer optischen Faser und die so hergestellte Faser

Country Status (10)

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

Families Citing this family (120)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
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
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
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
CA2172747C (en) * 1995-05-24 1999-06-08 Frank Vincent Dimarcello Method of making optical fiber with low polarization mode dispersion
US5613028A (en) * 1995-08-10 1997-03-18 Corning Incorporated Control of dispersion in an optical waveguide
US5867616A (en) * 1995-08-10 1999-02-02 Corning Incorporated Polarization mode coupled single mode waveguide
WO1997007067A1 (en) * 1995-08-16 1997-02-27 Plasma Optical Fibre B.V. Optical fiber with low polarisation mode 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
WO1997026221A1 (en) 1996-01-22 1997-07-24 Corning Incorporated Optical fiberof modulated spin for reduced polarisation mode dispersion as well as process and apparatus for its manufacture
US6163630A (en) * 1996-02-15 2000-12-19 Corning Incorporated Method and apparatus for producing twisted solitons
EP0883577B1 (de) * 1996-02-26 2002-07-24 Corning Incorporated Verfahren zur erzeugung eines kontrollierten spins in einer optischen faser
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
DK0842909T3 (da) * 1996-11-13 2002-07-08 Fibre Ottiche Sud F O S S P A Apparat og metode til dannelse af en optisk fiber
WO1999015470A1 (en) * 1997-09-25 1999-04-01 Corning Incorporated Draw constant downfeed process
DE19810812A1 (de) * 1998-03-12 1999-09-16 Siemens Ag Optisches Übertragungselement sowie Verfahren zur Reduzierung dessen Polarisationsmoden-Dispersion
EP1066630A1 (de) 1998-03-30 2001-01-10 Seagate Technology LLC Optisches datenspeichersystem mit mitteln zu verringerung des von störreflexen verursachten rauschens
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
KR20010071612A (ko) 1998-06-24 2001-07-28 지아네시 피에르 지오반니 원석으로부터 광섬유를 제조하기 위한 장치 및 방법
AU757117B2 (en) * 1998-06-24 2003-02-06 Pirelli Cavi E Sistemi S.P.A. Method and apparatus for twisting a coated optical fiber during drawing from a preform
DE19841068A1 (de) * 1998-09-09 2000-03-16 Deutsche Telekom Ag Optische Verbindungsstrecke
AU6137899A (en) * 1998-09-17 2000-04-03 Corning Incorporated Circularly polarized fiber in optical circuits
US6229937B1 (en) 1998-09-17 2001-05-08 Corning Incorporated Circularly polarized fiber in optical circuits
CN1159246C (zh) * 1998-09-24 2004-07-28 住友电气工业株式会社 光纤的制造方法
KR100699713B1 (ko) 1999-01-27 2007-03-27 스미토모덴키고교가부시키가이샤 피복 광섬유의 제조 방법 및 제조 장치와 피복 광섬유
US6891622B2 (en) 1999-02-11 2005-05-10 Kvh Industries, Inc. Current sensor
US6853780B1 (en) * 1999-03-31 2005-02-08 Pirelli Cavi E Sistemi S.P.A. Optical cable for telecommunications
JP4076702B2 (ja) 1999-05-14 2008-04-16 株式会社フジクラ 光ファイバの捻れ測定方法
JP2001048569A (ja) * 1999-08-04 2001-02-20 Sumitomo Electric Ind Ltd 光ファイバの線引方法
AU772538B2 (en) * 1999-09-27 2004-04-29 Sumitomo Electric Industries, Ltd. Distribution management optical fiber, its manufacturing method, optical communication system employing the optical fiber and optical fiber base material
WO2001033184A1 (en) * 1999-10-29 2001-05-10 Pirelli Cavi E Sistemi S.P.A. Method of measuring the twist imparted to an optical fibre and procedure for processing an optical fibre using this method
EP1258751A4 (de) 1999-11-08 2004-12-01 Sumitomo Electric Industries Lichtwellenleiterfaser, herstellungsverfahren und optisches übertragungssystem hiermit
US6422043B1 (en) 1999-11-16 2002-07-23 Fitel Usa Corp. Method of making an improved multimode optical fiber and fiber made by method
US6556732B1 (en) 2000-06-07 2003-04-29 Corning Incorporated All fiber polarization mode dispersion compensator
EP1297371B1 (de) * 2000-07-06 2006-09-13 Prysmian Cavi e Sistemi Energia S.r.l. Optische faser mit geringer polarisationsmodendispersion und zugehöriges herstellungsverfahren
WO2002010813A2 (en) * 2000-08-02 2002-02-07 Kvh Industries, Inc. Reduction of linear birefringence in circular-core single-mode fiber
AU2001277156A1 (en) * 2000-08-10 2002-02-25 Yazaki Corporation Process for making glass bodies having refractive index gradients
EP1346959A4 (de) * 2000-12-22 2005-04-06 Sumitomo Electric Industries Beschichtete optische faser und dessen herstellungsverfahren
WO2002053117A2 (en) * 2000-12-28 2002-07-11 Pirelli S.P.A. Method for producing an optical fibre telecommunications cable with reduced polarization mode dispersion
WO2002063354A1 (fr) * 2001-01-30 2002-08-15 Sumitomo Electric Industries, Ltd. Procede et dispositif de fabrication de fibre optique
CA2440938A1 (en) * 2001-03-16 2002-09-26 Sumitomo Electric Industries, Ltd. Optical fiber and method of manufacturing the same
JP3723471B2 (ja) * 2001-06-12 2005-12-07 株式会社フジクラ 光ファイバーのリコート方法
KR100414691B1 (ko) * 2001-07-19 2004-01-13 엘지전선 주식회사 낮은 편광 모드 분산을 지닌 뒤틀린 광섬유의 제조 장치
JP3861663B2 (ja) * 2001-11-12 2006-12-20 住友電気工業株式会社 光ファイバ母材の製造方法
KR100417000B1 (ko) * 2001-12-03 2004-02-05 삼성전자주식회사 저 편광 모드 분산을 위한 장치
US6735985B2 (en) * 2001-12-20 2004-05-18 Furukawa Electric North America Inc Method of impressing a twist on a multimode fiber during drawing
KR100416970B1 (ko) * 2002-01-17 2004-02-05 삼성전자주식회사 인출된 광섬유의 저 편광모드분산을 위한 스핀 장치
JP3765283B2 (ja) * 2002-04-01 2006-04-12 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
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
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
US6704100B2 (en) 2002-08-08 2004-03-09 Fitel Usa Corp. Systems and methods for accurately measuring low values of polarization mode dispersion in an optical fiber using localized external perturbation induced low mode coupling
KR100441156B1 (ko) * 2002-08-31 2004-07-19 엘지전선 주식회사 광섬유에 인가되는 스핀을 모니터링하는 방법 및 양방향스핀의 대칭성을 확보하기 위한 광섬유 제조방법
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
US20040062515A1 (en) * 2002-09-26 2004-04-01 Garner Harry Douglas Apparatuses and methods for imparting mechanical twist in optical fibers
US7035525B2 (en) * 2002-09-26 2006-04-25 Fitel Usa Corp. Methods and apparatuses for correcting mechanical twist in optical fiber
KR100520646B1 (ko) * 2002-10-02 2005-10-13 삼성전자주식회사 꼬임 진폭 비대칭 제어를 이용한 광섬유 인출 방법
KR100498925B1 (ko) * 2002-10-23 2005-07-04 삼성전자주식회사 스핀 진폭 변조를 이용한 광섬유 인출 방법
US7891216B2 (en) * 2002-12-30 2011-02-22 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
NL1022315C2 (nl) * 2003-01-07 2004-07-13 Draka Fibre Technology Bv Werkwijze ter vervaardiging van een optische vezel voorzien van variaties in de brekingsindex.
US7310974B2 (en) * 2003-01-13 2007-12-25 Sterlite Optical Technologies Limited Method for producing twisted optical fiber with reduced 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
US20040221617A1 (en) * 2003-05-05 2004-11-11 Fleming James William Methods for modifying ovality of optical fiber preforms
KR100547755B1 (ko) * 2003-05-24 2006-01-31 삼성전자주식회사 스핀을 이용한 광섬유 제조 장치 및 방법
FR2856805B1 (fr) * 2003-06-24 2005-10-28 Cit Alcatel Systeme cotre la dispersion modale de polarisation d'une fibre optique
EP1701925B1 (de) * 2003-08-29 2015-12-02 Prysmian S.p.A. Verfahren zur herstellung einer optischen faser mit niedriger polarisationsmodendispersion
US6993229B2 (en) * 2003-09-30 2006-01-31 Corning Incorporated Method of making spun optical fiber with low PMD
CN1898167B (zh) * 2003-12-26 2010-12-22 株式会社藤仓 光纤扭转装置、光纤线的制造方法和光纤线
EP1706766B1 (de) 2003-12-30 2009-04-22 Prysmian S.p.A. Optische faserverbindung mit niedriger polarisationsmodendispersion (pmd) und herstellungsverfahren dafür
US20050172675A1 (en) * 2004-02-11 2005-08-11 The Furukawa Electric Co., Ltd. Method of and apparatus for manufacturing single mode optical fiber
WO2005080936A1 (en) 2004-02-20 2005-09-01 Prysmian Cavi E Sistemi Energia S.R.L. Method for determining spin characteristic parameters in spun optical fibers
US20050188728A1 (en) * 2004-03-01 2005-09-01 Zhi Zhiou Apparatus and method for manufacturing optical fiber including rotating optical fiber preforms during draw
KR100566218B1 (ko) * 2004-03-02 2006-03-29 삼성전자주식회사 광섬유 인출을 위한 장치 및 방법
JP2005292180A (ja) * 2004-03-31 2005-10-20 Fuji Photo Film Co Ltd プラスチック光ファイバ及びその製造方法
US7483610B2 (en) * 2004-05-03 2009-01-27 Nufern Optical fiber having reduced defect density
US7317857B2 (en) * 2004-05-03 2008-01-08 Nufem Optical fiber for delivering optical energy to or from a work object
GB0418069D0 (en) * 2004-08-12 2004-09-15 Univ Bristol Method for reducing depolarization
CA2585241A1 (en) * 2004-10-24 2006-05-04 Chiral Photonics, Inc. Chiral in-fiber polarizer apparatus and method
JP4712359B2 (ja) * 2004-11-29 2011-06-29 古河電気工業株式会社 光ファイバの製造方法
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
JP2009520996A (ja) * 2005-12-23 2009-05-28 プリスミアン・カビ・エ・システミ・エネルジア・ソチエタ・ア・レスポンサビリタ・リミタータ 偏波モード分散が減少した光ファイバを製造する方法及び装置
JP2007272060A (ja) * 2006-03-31 2007-10-18 Furukawa Electric Co Ltd:The 光ファイバリボン芯線及び光ファイバケーブル
DK2033029T3 (en) * 2006-06-22 2019-03-04 Prysmian Spa Optical fiber with sinusoidal spin function
KR100808354B1 (ko) * 2006-08-17 2008-02-27 엘에스전선 주식회사 저감된 편광모드분산을 갖는 단일모드 광섬유 및 그 제조 방법
JP4851368B2 (ja) * 2007-03-05 2012-01-11 古河電気工業株式会社 光ファイバの製造方法
TW200909766A (en) 2007-08-28 2009-03-01 Maruzen Co Ltd Magazine ejector structure for air gun
US8111957B2 (en) 2008-07-10 2012-02-07 Corning Incorporated +cylindrical polarization beams
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
DK2341377T3 (da) * 2008-10-20 2017-11-13 Sumitomo Electric Industries Fremgangsmåde til fremstilling af optisk fiber
RU2445279C2 (ru) * 2008-10-31 2012-03-20 Фудзикура Лтд. Устройство для изготовления оптического волокна и способ изготовления оптического волокна
WO2010080892A2 (en) 2009-01-09 2010-07-15 Zolo Technologies, Inc. Method and apparatus for monitoring combustion properties in an interior of a boiler
US20100296155A1 (en) * 2009-05-19 2010-11-25 Waterford Institute Of Technology Optical fiber raman amplifier
JP5856058B2 (ja) 2009-08-10 2016-02-09 ゾロ テクノロジーズ，インコーポレイティド マルチモード送光ファイバを用いた光信号ノイズの緩和
FR2967155B1 (fr) 2010-11-08 2017-12-15 Delachaux Sa Dispositif de guidage de fibre optique ameliore
FR2967154A1 (fr) 2010-11-08 2012-05-11 Delachaux Sa Dispositif de refroidissement pour fibre optique ameliore
CN102092937B (zh) * 2010-12-15 2012-10-31 北京交通大学 迅速优化光子晶体光纤拉制工艺的方法和系统
JP5778939B2 (ja) 2011-02-14 2015-09-16 株式会社フジクラ 光ファイバ素線の製造方法
JP5948136B2 (ja) * 2011-05-27 2016-07-06 株式会社フジクラ 光ファイバおよびその製造方法
JP5948094B2 (ja) * 2012-03-07 2016-07-06 株式会社フジクラ 光ファイバ素線および光ファイバ素線の製造方法
CA2871072C (en) 2012-04-19 2020-07-14 Zolo Technologies, Inc. In-furnace retro-reflectors with steerable tunable diode laser absorption spectrometer
JP6183357B2 (ja) 2012-04-26 2017-08-30 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
JP5903123B2 (ja) * 2014-04-07 2016-04-13 株式会社フジクラ 光ファイバ素線の製造方法および製造装置
KR102233643B1 (ko) 2014-06-17 2021-04-01 헤래우스 쿼츠 노쓰 아메리카 엘엘씨 투명한 원통형 물체의 측정을 위한 장치 및 방법
WO2016026861A1 (en) * 2014-08-19 2016-02-25 Abb Technology Ag Optical sensor with spun birefringent sensing fiber
RU2614535C1 (ru) * 2015-12-23 2017-03-28 Федеральное государственное бюджетное образовательное учреждение высшего образования "Поволжский государственный университет телекоммуникаций и информатики" (ФГБОУ ВО ПГУТИ) Способ уменьшения дифференциальной модовой задержки волоконно-оптической линии передачи
CN107065173B (zh) * 2017-05-26 2020-07-28 西安科技大学 一种超小型偏振控制器
JP2020024306A (ja) * 2018-08-07 2020-02-13 株式会社フジクラ 光ファイバ及び光ファイバの製造方法
CN111704357A (zh) * 2020-07-20 2020-09-25 上海传输线研究所（中国电子科技集团公司第二十三研究所） 一种大芯径单偏振光纤的拉丝设备与方法
JP2023012630A (ja) * 2021-07-14 2023-01-26 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
WO2024024748A1 (ja) * 2022-07-25 2024-02-01 住友電気工業株式会社 光ファイバの製造装置および光ファイバの製造方法
FR3140710A1 (fr) * 2022-10-06 2024-04-12 Commissariat à l'Energie Atomique et aux Energies Alternatives Cellule de batterie filaire, et son procede de preparation par etirage d’une preforme

Family Cites Families (17)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4028081A (en) * 1975-12-11 1977-06-07 Bell Telephone Laboratories, Incorporated Method for manufacturing helical optical fiber
US4308045A (en) * 1978-03-10 1981-12-29 Bell Telephone Laboratories, Incorporated Method for fabricating optical fibers with enhanced mode coupling
US4154049A (en) * 1978-06-08 1979-05-15 Northern Telecom Limited Method and apparatus for forming optical cables
US4205899A (en) * 1978-06-08 1980-06-03 Northern Telecom Limited Optical cables
DE2855337A1 (de) * 1978-12-21 1980-07-03 Licentia Gmbh Verfahren zur kompensation des in einer bei einem magnetooptischen stromwandler verwendeten lichtleitfaser auftretenden doppelbrechungseinflusses
DE2908752A1 (de) * 1979-03-06 1980-09-18 Max Planck Gesellschaft Optisches transmissionsfilter
US4248035A (en) * 1979-04-02 1981-02-03 Northern Telecom Limited Apparatus and method used in the assembly of fibre optic cables
DE3010005B1 (de) * 1980-03-15 1981-02-12 Licentia Gmbh In ihrer Laengsachse tordierte Lichtleitfaser
FR2515693B1 (fr) * 1981-11-03 1985-10-11 Thomson Csf Procede de fabrication d'un objet a structure chiralique issu a partir d'une source de matiere formable et dispositif mettant en oeuvre ce procede
FR2515632A1 (fr) * 1981-11-03 1983-05-06 Thomson Csf Procede d'obtention d'un objet a structure chiralique issu de l'etirage a partir d'une source de matiere ramollie, et dispositif mettant en oeuvre ce procede
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
US4556314A (en) * 1983-08-31 1985-12-03 At&T Bell Laboratories Dispersion determining method and apparatus
FR2559275B1 (fr) * 1984-02-02 1988-04-08 Thomson Csf Procede de fabrication d'une fibre optique a structure chiralique et dispositif mettant en oeuvre ce procede
US4606605A (en) * 1984-06-29 1986-08-19 At&T Bell Laboratories Optical fiber having in-line polarization filter
JPS6414126A (en) * 1987-07-06 1989-01-18 Hitachi Cable Optical fiber drawing device
JPS6450002A (en) * 1987-08-21 1989-02-27 Seiko Instr & Electronics Optical attenuator and its manufacture
US5227623A (en) * 1992-01-31 1993-07-13 Hewlett-Packard Company Method and apparatus for measuring polarization mode dispersion in optical devices

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KR940004351A (ko) 1994-03-15
JP2981088B2 (ja) 1999-11-22
US5418881A (en) 1995-05-23
CA2098747A1 (en) 1994-02-04
CN1083449A (zh) 1994-03-09
EP0582405B1 (de) 2000-02-09
CA2098747C (en) 1998-09-15
TW279841B (de) 1996-07-01
EP0582405A1 (de) 1994-02-09
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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