CA2326682A1 - Procede de fabrication de fibres optiques - Google Patents

Procede de fabrication de fibres optiques Download PDF

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Publication number
CA2326682A1
CA2326682A1 CA002326682A CA2326682A CA2326682A1 CA 2326682 A1 CA2326682 A1 CA 2326682A1 CA 002326682 A CA002326682 A CA 002326682A CA 2326682 A CA2326682 A CA 2326682A CA 2326682 A1 CA2326682 A1 CA 2326682A1
Authority
CA
Canada
Prior art keywords
fiber
refractive index
optical fiber
region
dispersion
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.)
Abandoned
Application number
CA002326682A
Other languages
English (en)
Inventor
George E. Berkey
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.)
Corning Inc
Original Assignee
Individual
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 Individual filed Critical Individual
Publication of CA2326682A1 publication Critical patent/CA2326682A1/fr
Abandoned 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
    • G02B6/02219—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
    • 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
    • C03B37/02736—Means for supporting, rotating or feeding the tubes, rods, fibres or filaments to be drawn, e.g. fibre draw towers, preform alignment, butt-joining preforms or dummy parts during feeding
    • 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
    • G02B6/02247—Dispersion varying along the longitudinal direction, e.g. dispersion managed fibre
    • 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
    • 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 - + -
    • 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
    • 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
    • C03B2203/24—Single mode [SM or monomode]
    • 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

Landscapes

  • Chemical & Material Sciences (AREA)
  • Dispersion Chemistry (AREA)
  • Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Optics & Photonics (AREA)
  • General Physics & Mathematics (AREA)
  • Geochemistry & Mineralogy (AREA)
  • Organic Chemistry (AREA)
  • Materials Engineering (AREA)
  • Manufacturing & Machinery (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • General Life Sciences & Earth Sciences (AREA)
  • Lasers (AREA)
  • Manufacture, Treatment Of Glass Fibers (AREA)
  • Surface Treatment Of Glass Fibres Or Filaments (AREA)

Abstract

L'invention concerne une fibre optique et un procédé de fabrication de celle-ci. Cette fibre présente des régions de diamètre différent alternées sur sa longueur. On choisit l'indice de réfraction de la préforme et les diamètres de la fibre de manière à obtenir une fibre présentant des sections à dispersion positive et négative à une longueur d'ondes supérieure à 1480 nm, mais dont la dispersion totale et la pente sont de préférence faibles. Une version préférée de ce type de profil comprend une région coeur entourée d'une région gaine. La région coeur est composée d'une région centrale dont le coefficient de dopage est plus élevé que celui de la gaine, ce coeur étant en outre entouré d'une région douve présentant un coefficient de dopage inférieur à celui de la gaine. La région douve est entourée d'une région annulaire présentant un coefficient de dopage supérieur à celui de la gaine.
CA002326682A 1998-04-22 1999-04-09 Procede de fabrication de fibres optiques Abandoned CA2326682A1 (fr)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
US8269998P 1998-04-22 1998-04-22
US60/082,699 1998-04-22
PCT/US1999/007845 WO1999054763A1 (fr) 1998-04-22 1999-04-09 Procede de fabrication de fibres optiques

Publications (1)

Publication Number Publication Date
CA2326682A1 true CA2326682A1 (fr) 1999-10-28

Family

ID=22172851

Family Applications (1)

Application Number Title Priority Date Filing Date
CA002326682A Abandoned CA2326682A1 (fr) 1998-04-22 1999-04-09 Procede de fabrication de fibres optiques

Country Status (11)

Country Link
EP (1) EP1073920A1 (fr)
JP (1) JP2002512172A (fr)
KR (1) KR20010042885A (fr)
CN (1) CN1300375A (fr)
AU (1) AU3552599A (fr)
BR (1) BR9909523A (fr)
CA (1) CA2326682A1 (fr)
ID (1) ID29266A (fr)
TW (1) TW417026B (fr)
WO (1) WO1999054763A1 (fr)
ZA (1) ZA992622B (fr)

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6389207B1 (en) * 1999-12-13 2002-05-14 Corning Incorporated Dispersion managed fiber
FR2806401B1 (fr) * 2000-03-16 2003-01-17 Cit Alcatel Procede de fabrication d'une fibre optique a dispersion chromatique variable
FR2809386B1 (fr) 2000-05-25 2003-01-17 Cit Alcatel Procede de fabrication d'une fibre optique avec controle des caracteristiques de transmission
JP4073806B2 (ja) * 2002-08-09 2008-04-09 株式会社フジクラ 光ファイバ及び該光ファイバを用いた光伝送路
CN110699776B (zh) * 2019-09-04 2022-03-15 苏州大学 聚合物光纤及发光织物

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2584151B2 (ja) * 1991-06-11 1997-02-19 株式会社フジクラ 光ファイバ
US5553185A (en) * 1994-12-27 1996-09-03 Corning Incorporated Controlled dispersion optical waveguide
US5613028A (en) * 1995-08-10 1997-03-18 Corning Incorporated Control of dispersion in an optical waveguide
CA2211820A1 (fr) * 1996-08-01 1998-02-01 Youichi Akasaka Fibre optique a stimulation de la diffusion de brillouin pour supprimer la dispersion chromatique
US5887105A (en) * 1997-04-28 1999-03-23 Corning Incorporated Dispersion managed optical fiber

Also Published As

Publication number Publication date
KR20010042885A (ko) 2001-05-25
ID29266A (id) 2001-08-16
TW417026B (en) 2001-01-01
CN1300375A (zh) 2001-06-20
BR9909523A (pt) 2000-12-12
EP1073920A1 (fr) 2001-02-07
ZA992622B (en) 1999-10-08
JP2002512172A (ja) 2002-04-23
AU3552599A (en) 1999-11-08
WO1999054763A1 (fr) 1999-10-28

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