DK2554523T3 - Fremgangsmåde til fremstilling af en optisk fiberpræform - Google Patents

Fremgangsmåde til fremstilling af en optisk fiberpræform Download PDF

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Publication number
DK2554523T3
DK2554523T3 DK12178447.4T DK12178447T DK2554523T3 DK 2554523 T3 DK2554523 T3 DK 2554523T3 DK 12178447 T DK12178447 T DK 12178447T DK 2554523 T3 DK2554523 T3 DK 2554523T3
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DK
Denmark
Prior art keywords
core region
core
region
optical fiber
concentration
Prior art date
Application number
DK12178447.4T
Other languages
English (en)
Inventor
Tetsuya Haruna
Masaaki Hirano
Yoshiaki Tamura
Original Assignee
Sumitomo Electric Industries
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 Sumitomo Electric Industries filed Critical Sumitomo Electric Industries
Application granted granted Critical
Publication of DK2554523T3 publication Critical patent/DK2554523T3/da

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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
    • C03B37/012—Manufacture of preforms for drawing fibres or filaments
    • C03B37/014—Manufacture of preforms for drawing fibres or filaments made entirely or partially by chemical means, e.g. vapour phase deposition of bulk porous glass either by outside vapour deposition [OVD], or by outside vapour phase oxidation [OVPO] or by vapour axial deposition [VAD]
    • C03B37/018—Manufacture of preforms for drawing fibres or filaments made entirely or partially by chemical means, e.g. vapour phase deposition of bulk porous glass either by outside vapour deposition [OVD], or by outside vapour phase oxidation [OVPO] or by vapour axial deposition [VAD] by glass deposition on a glass substrate, e.g. by inside-, modified-, plasma-, or plasma modified- chemical vapour deposition [ICVD, MCVD, PCVD, PMCVD], i.e. by thin layer coating on the inside or outside of a glass tube or on a glass rod
    • C03B37/01807—Reactant delivery systems, e.g. reactant deposition burners
    • 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
    • C03B37/012—Manufacture of preforms for drawing fibres or filaments
    • C03B37/01205—Manufacture of preforms for drawing fibres or filaments starting from tubes, rods, fibres or filaments
    • C03B37/01211—Manufacture of preforms for drawing fibres or filaments starting from tubes, rods, fibres or filaments by inserting one or more rods or tubes into a tube
    • 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
    • C03B37/012—Manufacture of preforms for drawing fibres or filaments
    • C03B37/014—Manufacture of preforms for drawing fibres or filaments made entirely or partially by chemical means, e.g. vapour phase deposition of bulk porous glass either by outside vapour deposition [OVD], or by outside vapour phase oxidation [OVPO] or by vapour axial deposition [VAD]
    • C—CHEMISTRY; METALLURGY
    • C03—GLASS; MINERAL OR SLAG WOOL
    • C03C—CHEMICAL COMPOSITION OF GLASSES, GLAZES OR VITREOUS ENAMELS; SURFACE TREATMENT OF GLASS; SURFACE TREATMENT OF FIBRES OR FILAMENTS MADE FROM GLASS, MINERALS OR SLAGS; JOINING GLASS TO GLASS OR OTHER MATERIALS
    • C03C13/00—Fibre or filament compositions
    • C03C13/04—Fibre optics, e.g. core and clad fibre compositions
    • C—CHEMISTRY; METALLURGY
    • C03—GLASS; MINERAL OR SLAG WOOL
    • C03B—MANUFACTURE, SHAPING, OR SUPPLEMENTARY PROCESSES
    • C03B2201/00—Type of glass produced
    • C03B2201/06—Doped silica-based glasses
    • C03B2201/20—Doped silica-based glasses doped with non-metals other than boron or fluorine
    • C—CHEMISTRY; METALLURGY
    • C03—GLASS; MINERAL OR SLAG WOOL
    • C03B—MANUFACTURE, SHAPING, OR SUPPLEMENTARY PROCESSES
    • C03B2201/00—Type of glass produced
    • C03B2201/06—Doped silica-based glasses
    • C03B2201/30—Doped silica-based glasses doped with metals, e.g. Ga, Sn, Sb, Pb or Bi
    • C03B2201/50—Doped silica-based glasses doped with metals, e.g. Ga, Sn, Sb, Pb or Bi doped with alkali metals
    • 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
    • C03B2203/22—Radial profile of refractive index, composition or softening point
    • 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
    • G02B6/02004—Optical fibres with cladding with or without a coating characterised by the core effective area or mode field radius
    • G02B6/02009—Large effective area or mode field radius, e.g. to reduce nonlinear effects in single mode fibres
    • G02B6/02014—Effective area greater than 60 square microns in the C band, i.e. 1530-1565 nm
    • 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
    • G02B6/02219—Characterised by the wavelength dispersion properties in the silica low loss window around 1550 nm, i.e. S, C, L and U bands from 1460-1675 nm
    • G02B6/02228—Dispersion flattened fibres, i.e. having a low dispersion variation over an extended wavelength range
    • G02B6/02238—Low dispersion slope fibres
    • G02B6/02242—Low dispersion slope fibres having a dispersion slope <0.06 ps/km/nm2
    • 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
    • G02B6/02219—Characterised by the wavelength dispersion properties in the silica low loss window around 1550 nm, i.e. S, C, L and U bands from 1460-1675 nm
    • G02B6/02266—Positive dispersion fibres at 1550 nm
    • 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
    • G02B6/036—Optical fibres with cladding with or without a coating core or cladding comprising multiple layers
    • G02B6/03616—Optical fibres characterised both by the number of different refractive index layers around the central core segment, i.e. around the innermost high index core layer, and their relative refractive index difference
    • G02B6/03622—Optical fibres characterised both by the number of different refractive index layers around the central core segment, i.e. around the innermost high index core layer, and their relative refractive index difference having 2 layers only
    • G02B6/03627—Optical fibres characterised both by the number of different refractive index layers around the central core segment, i.e. around the innermost high index core layer, and their relative refractive index difference having 2 layers only arranged - +

Landscapes

  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Materials Engineering (AREA)
  • Geochemistry & Mineralogy (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Organic Chemistry (AREA)
  • Manufacturing & Machinery (AREA)
  • General Life Sciences & Earth Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • General Chemical & Material Sciences (AREA)
  • Physics & Mathematics (AREA)
  • Optics & Photonics (AREA)
  • Glass Compositions (AREA)
  • Manufacture, Treatment Of Glass Fibers (AREA)

Claims (3)

1. Fremgangsmåde til fremstilling af en optisk fiberpræform (10) med (a) et kerneområde (20) med - et første kerneområde (21) der omfatter en midterakse, har en Cl-koncentration på < 600 atm-ppm og har et alkalimetal selektivt tilsat dertil, - et andet kerneområde (22) tilvejebragt rundt om det første kerneområde (21) og med en Cl-koncentration på < 600 atm-ppm, og - et tredje kerneområde (23) tilvejebragt rundt om det andet kerneområde (22) og med en Cl-koncentration på > 3.000 atm-ppm (b) et indkapslingsområde (30) dannet rundt om kerneområdet og med et brydningsindeks der er lavere end det for kerneområdet (20); fremgangsmåden omfatter trinnene: (i) at forberede en kernestav med et første kerneområde (21), et andet kerneområde (22) og et tredje kerneområde (23) som defineret ovenfor; og (ii) at tilsætte et indkapslingsområde rundt om kernestaven ved at indføre kernestaven i et kvartsglasrør og at integrere kernestaven og kvartsglasrøret ved opvarmning ved en temperatur på > 1.200°C i < 7 timer.
2. Fremgangsmåde ifølge krav 1, hvor forholdet (d2/di) af diameteren d2 af det andet kerneområde (22) til diameteren di af det første kerneområde (21) er 1,2-2,5, og fortrinsvis 1,5-2,5.
3. Fremgangsmåde ifølge krav 1 eller 2, hvor opvarmningstiden ved temperaturer på > 1.200°C i trin (ii) er < 1 time.
DK12178447.4T 2011-08-01 2012-07-30 Fremgangsmåde til fremstilling af en optisk fiberpræform DK2554523T3 (da)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP2011168706A JP2013032241A (ja) 2011-08-01 2011-08-01 光ファイバ母材製造方法

Publications (1)

Publication Number Publication Date
DK2554523T3 true DK2554523T3 (da) 2017-02-27

Family

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Family Applications (1)

Application Number Title Priority Date Filing Date
DK12178447.4T DK2554523T3 (da) 2011-08-01 2012-07-30 Fremgangsmåde til fremstilling af en optisk fiberpræform

Country Status (5)

Country Link
US (1) US20130034654A1 (da)
EP (1) EP2554523B1 (da)
JP (1) JP2013032241A (da)
CN (1) CN102910813A (da)
DK (1) DK2554523T3 (da)

Families Citing this family (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP5974488B2 (ja) * 2011-04-15 2016-08-23 住友電気工業株式会社 光ファイバおよび光ファイバ母材
JP6136261B2 (ja) 2012-01-23 2017-05-31 住友電気工業株式会社 光ファイバ
JP5625037B2 (ja) 2012-03-23 2014-11-12 株式会社フジクラ ガラス母材の製造方法
US9057814B2 (en) * 2013-03-28 2015-06-16 Corning Incorporated Large effective area fiber with low bending losses
JP6268758B2 (ja) * 2013-06-10 2018-01-31 住友電気工業株式会社 光ファイバ
US20170097465A1 (en) * 2015-06-30 2017-04-06 Corning Incorporated Optical fiber with large effective area and low bending loss
WO2018211880A1 (ja) * 2017-05-15 2018-11-22 住友電気工業株式会社 光ファイバ母材の製造方法および光ファイバ母材
CN110244402B (zh) * 2019-04-25 2022-04-19 桂林电子科技大学 一种超低损耗大有效面积单模光纤设计及其制造方法
JP7136534B2 (ja) * 2019-05-07 2022-09-13 株式会社豊田中央研究所 光ファイバレーザ装置
CN112441734B (zh) * 2019-08-30 2023-10-03 中天科技精密材料有限公司 光纤预制棒及其制备方法、粉末棒沉积设备
CN112051640B (zh) * 2020-07-08 2022-11-04 普天线缆集团有限公司 超低损耗g.654e光纤及其制作方法
WO2024163190A1 (en) * 2023-02-01 2024-08-08 Corning Incorporated Method of making alkali doped multicore optical fiber preform with reduced devitrification

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US5146534A (en) 1991-11-12 1992-09-08 At&T Bell Laboratories SiO2 -based alkali-doped optical fiber
AU715509B2 (en) 1996-07-16 2000-02-03 Toyota Jidosha Kabushiki Kaisha Ultralow-loss silica glass and optical fibers using the same
US6105396A (en) * 1998-07-14 2000-08-22 Lucent Technologies Inc. Method of making a large MCVD single mode fiber preform by varying internal pressure to control preform straightness
US20040057692A1 (en) * 2002-08-28 2004-03-25 Ball Laura J. Low loss optical fiber and method for making same
EP1663890B1 (en) 2003-08-29 2020-09-23 Corning Incorporated Optical fiber containing an alkali metal oxide and methods and apparatus for manufacturing same
JP2008247740A (ja) * 2003-10-30 2008-10-16 Sumitomo Electric Ind Ltd 光ファイバ母材及びその製造方法
US20060130530A1 (en) 2004-12-21 2006-06-22 Anderson James G Method of doping silica glass with an alkali metal, and optical fiber precursor formed therefrom
US7088900B1 (en) 2005-04-14 2006-08-08 Corning Incorporated Alkali and fluorine doped optical fiber
US20070026441A1 (en) 2005-07-22 2007-02-01 Olson William C Methods for reducing viral load in HIV-1-infected patients
US7536076B2 (en) * 2006-06-21 2009-05-19 Corning Incorporated Optical fiber containing alkali metal oxide
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JP5974488B2 (ja) * 2011-04-15 2016-08-23 住友電気工業株式会社 光ファイバおよび光ファイバ母材

Also Published As

Publication number Publication date
EP2554523A2 (en) 2013-02-06
CN102910813A (zh) 2013-02-06
EP2554523A3 (en) 2013-07-03
US20130034654A1 (en) 2013-02-07
EP2554523B1 (en) 2017-01-11
JP2013032241A (ja) 2013-02-14

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