DK1576400T3 - Fremgangsmåde til fremstilling af en optisk fiber med lavt splejsetab - Google Patents

Fremgangsmåde til fremstilling af en optisk fiber med lavt splejsetab

Info

Publication number
DK1576400T3
DK1576400T3 DK02793115.3T DK02793115T DK1576400T3 DK 1576400 T3 DK1576400 T3 DK 1576400T3 DK 02793115 T DK02793115 T DK 02793115T DK 1576400 T3 DK1576400 T3 DK 1576400T3
Authority
DK
Denmark
Prior art keywords
splet
loss
procedure
manufacturing
low
Prior art date
Application number
DK02793115.3T
Other languages
English (en)
Inventor
Antonio Collaro
Alfonso Pannullo
Giuseppe Ferri
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 DK1576400T3 publication Critical patent/DK1576400T3/da

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
    • G02B6/02219—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
    • G02B6/02271—Non-zero dispersion shifted fibres, i.e. having a small positive dispersion at 1550 nm, e.g. ITU-T G.655 dispersion between 1.0 to 10 ps/nm.km for avoiding nonlinear effects
    • 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
    • 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
    • G02B6/03638—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 3 layers only
    • G02B6/03644—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 3 layers only arranged - + -
    • 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
    • G02B6/03661—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 4 layers only
    • 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
    • G02B6/24—Coupling light guides
    • G02B6/255—Splicing of light guides, e.g. by fusion or bonding
    • G02B6/2551—Splicing of light guides, e.g. by fusion or bonding using thermal methods, e.g. fusion welding by arc discharge, laser beam, plasma torch
    • 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
    • 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
    • C03B2203/23—Double or multiple optical cladding profiles
    • 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
    • C03B2203/29—Segmented core fibres
    • 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
    • C03B2205/40—Monitoring or regulating the draw tension or draw rate
    • 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
    • G02B6/0228—Characterised by the wavelength dispersion slope properties around 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
    • G02B6/03605—Highest refractive index not on central axis
    • G02B6/03611—Highest index adjacent to central axis region, e.g. annular core, coaxial ring, centreline depression affecting waveguiding

Landscapes

  • Physics & Mathematics (AREA)
  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • General Physics & Mathematics (AREA)
  • Optics & Photonics (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)
  • Plasma & Fusion (AREA)
  • Manufacture, Treatment Of Glass Fibers (AREA)
DK02793115.3T 2002-12-24 2002-12-24 Fremgangsmåde til fremstilling af en optisk fiber med lavt splejsetab DK1576400T3 (da)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
PCT/EP2002/014757 WO2004059355A1 (en) 2002-12-24 2002-12-24 Optical fibre having low splice loss and method for making it

Publications (1)

Publication Number Publication Date
DK1576400T3 true DK1576400T3 (da) 2012-07-30

Family

ID=32668690

Family Applications (1)

Application Number Title Priority Date Filing Date
DK02793115.3T DK1576400T3 (da) 2002-12-24 2002-12-24 Fremgangsmåde til fremstilling af en optisk fiber med lavt splejsetab

Country Status (10)

Country Link
US (1) US7849713B2 (da)
EP (1) EP1576400B1 (da)
JP (1) JP2006512266A (da)
CN (1) CN100343704C (da)
AU (1) AU2002358796A1 (da)
BR (1) BRPI0215963B1 (da)
CA (1) CA2509263C (da)
DK (1) DK1576400T3 (da)
HK (1) HK1086338A1 (da)
WO (1) WO2004059355A1 (da)

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2015072466A (ja) 2013-09-04 2015-04-16 住友電気工業株式会社 光ファイバ伝送路
US10481323B2 (en) * 2014-02-14 2019-11-19 Adolphe Merkle Institute, University Of Fribourg Physiologically responsive mechanically adaptive polymer optical fibers, production and methods of use
JP2016148749A (ja) * 2015-02-12 2016-08-18 株式会社フジクラ 分散シフト光ファイバ
US10438846B2 (en) * 2017-11-28 2019-10-08 Taiwan Semiconductor Manufacturing Co., Ltd. Physical vapor deposition process for semiconductor interconnection structures
US10408996B2 (en) * 2017-11-30 2019-09-10 Sterlite Technologies Limited Non-zero dispersion shifted fiber with low cut off wavelength and large effective area

Family Cites Families (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3823995A (en) * 1972-03-30 1974-07-16 Corning Glass Works Method of forming light focusing fiber waveguide
US4810276A (en) 1987-08-05 1989-03-07 Corning Glass Works Forming optical fiber having abrupt index change
US6212322B1 (en) 1998-09-11 2001-04-03 Corning Incorporated Positive dispersion low dispersion slope fiber
US6247987B1 (en) * 1999-04-26 2001-06-19 Chad Byron Moore Process for making array of fibers used in fiber-based displays
US6427044B1 (en) 1999-06-23 2002-07-30 Sumitomo Electric Industries, Ltd. Optical fiber
CA2385935A1 (en) * 1999-09-27 2001-04-05 Sumitomo Electric Industries, Ltd. Distribution management optical fiber, its manufacturing method, optical communication system employing the optical fiber and optical fiber base material
WO2001035132A1 (fr) 1999-11-08 2001-05-17 Sumitomo Electric Industries, Ltd. Fibre optique, son procede de fabrication et systeme de transmission optique la contenant
US8695379B2 (en) 1999-12-29 2014-04-15 Prysmian Cavi E Sistemi Energia S.R.L. Apparatus and method for applying traction to an elongate element produced by fusing a preform of glass material and usable in a process for producing an optical fibre
AU2002231425A1 (en) * 2000-08-16 2002-02-25 Corning Incorporated Optical fiber with large effective area, low dispersion and low dispersion slope
JP4540034B2 (ja) 2000-12-22 2010-09-08 コーニング インコーポレイテッド 還元剤を用いたスート・プリフォームの処理

Also Published As

Publication number Publication date
BR0215963A (pt) 2005-09-13
WO2004059355A1 (en) 2004-07-15
BRPI0215963B1 (pt) 2016-12-13
EP1576400B1 (en) 2012-06-13
JP2006512266A (ja) 2006-04-13
EP1576400A1 (en) 2005-09-21
CA2509263A1 (en) 2004-07-15
US7849713B2 (en) 2010-12-14
US20070003200A1 (en) 2007-01-04
CN1717600A (zh) 2006-01-04
CN100343704C (zh) 2007-10-17
CA2509263C (en) 2011-09-20
HK1086338A1 (en) 2006-09-15
AU2002358796A1 (en) 2004-07-22

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