IT8567254A0 - Procedimento per la produzione difibre ottiche birifrangenti - Google Patents

Procedimento per la produzione difibre ottiche birifrangenti

Info

Publication number
IT8567254A0
IT8567254A0 IT8567254A IT6725485A IT8567254A0 IT 8567254 A0 IT8567254 A0 IT 8567254A0 IT 8567254 A IT8567254 A IT 8567254A IT 6725485 A IT6725485 A IT 6725485A IT 8567254 A0 IT8567254 A0 IT 8567254A0
Authority
IT
Italy
Prior art keywords
birefrangent
procedure
production
optical fibers
fibers
Prior art date
Application number
IT8567254A
Other languages
English (en)
Other versions
IT1199863B (it
Inventor
Roba Giacomo
Original Assignee
Cselt Centro Studi Lab Telecom
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 Cselt Centro Studi Lab Telecom filed Critical Cselt Centro Studi Lab Telecom
Priority to IT67254/85A priority Critical patent/IT1199863B/it
Publication of IT8567254A0 publication Critical patent/IT8567254A0/it
Priority to US06/817,024 priority patent/US4659353A/en
Priority to JP61048776A priority patent/JPS61209923A/ja
Priority to DE198686103292T priority patent/DE194666T1/de
Priority to EP86103292A priority patent/EP0194666A3/en
Application granted granted Critical
Publication of IT1199863B publication Critical patent/IT1199863B/it

Links

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
    • C03B37/01815—Reactant deposition burners or deposition heating means
    • 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
    • C03B2203/30—Polarisation maintaining [PM], i.e. birefringent products, e.g. with elliptical core, by use of stress rods, "PANDA" type fibres

Landscapes

  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • General Chemical & Material Sciences (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • General Life Sciences & Earth Sciences (AREA)
  • Geochemistry & Mineralogy (AREA)
  • Manufacturing & Machinery (AREA)
  • Materials Engineering (AREA)
  • Organic Chemistry (AREA)
  • Manufacture, Treatment Of Glass Fibers (AREA)
  • Optical Fibers, Optical Fiber Cores, And Optical Fiber Bundles (AREA)
IT67254/85A 1985-03-14 1985-03-14 Procedimento per la produzione di fibre ottiche birifrangenti IT1199863B (it)

Priority Applications (5)

Application Number Priority Date Filing Date Title
IT67254/85A IT1199863B (it) 1985-03-14 1985-03-14 Procedimento per la produzione di fibre ottiche birifrangenti
US06/817,024 US4659353A (en) 1985-03-14 1986-01-08 Method of making birefringent optical fibers
JP61048776A JPS61209923A (ja) 1985-03-14 1986-03-07 複屈折性の光フアイバーの製作方法
DE198686103292T DE194666T1 (de) 1985-03-14 1986-03-12 Verfahren zur herstellung von doppelbrechendem lichtwellenleiter.
EP86103292A EP0194666A3 (en) 1985-03-14 1986-03-12 Method of fabricating birefringent optical fibres

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
IT67254/85A IT1199863B (it) 1985-03-14 1985-03-14 Procedimento per la produzione di fibre ottiche birifrangenti

Publications (2)

Publication Number Publication Date
IT8567254A0 true IT8567254A0 (it) 1985-03-14
IT1199863B IT1199863B (it) 1989-01-05

Family

ID=11300878

Family Applications (1)

Application Number Title Priority Date Filing Date
IT67254/85A IT1199863B (it) 1985-03-14 1985-03-14 Procedimento per la produzione di fibre ottiche birifrangenti

Country Status (5)

Country Link
US (1) US4659353A (it)
EP (1) EP0194666A3 (it)
JP (1) JPS61209923A (it)
DE (1) DE194666T1 (it)
IT (1) IT1199863B (it)

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3635034A1 (de) * 1986-10-15 1988-04-21 Philips Patentverwaltung Verfahren zur herstellung von lichtleitfasern
DE3828814A1 (de) * 1988-08-25 1990-03-29 Standard Elektrik Lorenz Ag Verfahren zum aendern des fleckdurchmessers von monomode-stufenfasern und danach hergestellte monomodefaser-koppeleinheit
DE4212602A1 (de) * 1992-04-15 1993-10-21 Sel Alcatel Ag Lichtwellenleiter sowie Verfahren und Vorrichtung zu seiner Herstellung
US6110296A (en) * 1998-04-28 2000-08-29 Usx Corporation Thin strip casting of carbon steels
NL1037164C2 (nl) 2009-07-30 2011-02-02 Draka Comteq Bv Werkwijze voor het vervaardigen van een primaire voorvorm voor optische vezels.

Family Cites Families (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3982916A (en) * 1975-12-24 1976-09-28 Bell Telephone Laboratories, Incorporated Method for forming optical fiber preform
JPS5617941A (en) * 1979-07-25 1981-02-20 Fujitsu Ltd Manufacture of optical fiber
EP0032390B1 (en) * 1980-01-11 1987-04-22 Hitachi, Ltd. Method of producing a preform rod for an optical fiber
US4360371A (en) * 1981-03-30 1982-11-23 Corning Glass Works Method of making polarization retaining single-mode optical waveguide
US4428761A (en) * 1981-12-22 1984-01-31 Bell Telephone Laboratories, Incorporated Lithographic method of making optical fibers
JPS593029A (ja) * 1982-06-23 1984-01-09 Hitachi Cable Ltd 偏波面保存光フアイバのプリフオ−ム製造方法
FR2551883B1 (fr) * 1983-09-13 1986-01-24 Thomson Csf Procede de fabrication d'une fibre optique monomode a maintien de polarisation lineaire
US4578097A (en) * 1983-09-26 1986-03-25 Corning Glass Works Method of forming a polarization preserving optical waveguide

Also Published As

Publication number Publication date
DE194666T1 (de) 1989-04-20
JPS61209923A (ja) 1986-09-18
EP0194666A3 (en) 1988-09-07
EP0194666A2 (en) 1986-09-17
IT1199863B (it) 1989-01-05
US4659353A (en) 1987-04-21

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Legal Events

Date Code Title Description
TA Fee payment date (situation as of event date), data collected since 19931001

Effective date: 19940316