DE194666T1 - Verfahren zur herstellung von doppelbrechendem lichtwellenleiter. - Google Patents

Verfahren zur herstellung von doppelbrechendem lichtwellenleiter.

Info

Publication number
DE194666T1
DE194666T1 DE198686103292T DE86103292T DE194666T1 DE 194666 T1 DE194666 T1 DE 194666T1 DE 198686103292 T DE198686103292 T DE 198686103292T DE 86103292 T DE86103292 T DE 86103292T DE 194666 T1 DE194666 T1 DE 194666T1
Authority
DE
Germany
Prior art keywords
wave guide
producing double
breaking light
breaking
light
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.)
Pending
Application number
DE198686103292T
Other languages
English (en)
Inventor
Giacomo Cogoleto Roba (Genova), It
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.)
CSELT-CENTRO STUDI E LABORATORI TELECOMUNICAZIONI SpA TURIN/TORINO IT
Original Assignee
CSELT-CENTRO STUDI E LABORATORI TELECOMUNICAZIONI SpA TURIN/TORINO IT
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 E LABORATORI TELECOMUNICAZIONI SpA TURIN/TORINO IT filed Critical CSELT-CENTRO STUDI E LABORATORI TELECOMUNICAZIONI SpA TURIN/TORINO IT
Publication of DE194666T1 publication Critical patent/DE194666T1/de
Pending legal-status Critical Current

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
DE198686103292T 1985-03-14 1986-03-12 Verfahren zur herstellung von doppelbrechendem lichtwellenleiter. Pending DE194666T1 (de)

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 (1)

Publication Number Publication Date
DE194666T1 true DE194666T1 (de) 1989-04-20

Family

ID=11300878

Family Applications (1)

Application Number Title Priority Date Filing Date
DE198686103292T Pending DE194666T1 (de) 1985-03-14 1986-03-12 Verfahren zur herstellung von doppelbrechendem lichtwellenleiter.

Country Status (5)

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

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
DE3176131D1 (en) * 1980-01-11 1987-05-27 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
US4659353A (en) 1987-04-21
IT1199863B (it) 1989-01-05
EP0194666A3 (de) 1988-09-07
JPS61209923A (ja) 1986-09-18
EP0194666A2 (de) 1986-09-17
IT8567254A0 (it) 1985-03-14

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