IT7819886A0 - Procedimento di realizzazione di uno spezzone di fibra ottica. - Google Patents

Procedimento di realizzazione di uno spezzone di fibra ottica.

Info

Publication number
IT7819886A0
IT7819886A0 IT7819886A IT1988678A IT7819886A0 IT 7819886 A0 IT7819886 A0 IT 7819886A0 IT 7819886 A IT7819886 A IT 7819886A IT 1988678 A IT1988678 A IT 1988678A IT 7819886 A0 IT7819886 A0 IT 7819886A0
Authority
IT
Italy
Prior art keywords
creating
procedure
piece
optic fiber
optic
Prior art date
Application number
IT7819886A
Other languages
English (en)
Other versions
IT1092569B (it
Original Assignee
Comp Generale Electricite
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 Comp Generale Electricite filed Critical Comp Generale Electricite
Publication of IT7819886A0 publication Critical patent/IT7819886A0/it
Application granted granted Critical
Publication of IT1092569B publication Critical patent/IT1092569B/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
    • C03B37/01861—Means for changing or stabilising the diameter or form of tubes or rods
    • C03B37/01869—Collapsing
    • 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

  • 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)
IT19886/78A 1977-02-18 1978-02-01 Procedimento di realizzazione di uno spezzone di fibra ottica IT1092569B (it)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR7704820A FR2380996A1 (fr) 1977-02-18 1977-02-18 Procede de realisation d'une ebauche de fibre optique

Publications (2)

Publication Number Publication Date
IT7819886A0 true IT7819886A0 (it) 1978-02-01
IT1092569B IT1092569B (it) 1985-07-12

Family

ID=9186970

Family Applications (1)

Application Number Title Priority Date Filing Date
IT19886/78A IT1092569B (it) 1977-02-18 1978-02-01 Procedimento di realizzazione di uno spezzone di fibra ottica

Country Status (10)

Country Link
US (1) US4121919A (it)
JP (1) JPS53102764A (it)
BE (1) BE863332A (it)
CH (1) CH618522A5 (it)
DE (1) DE2805894C2 (it)
FR (1) FR2380996A1 (it)
GB (1) GB1545759A (it)
IT (1) IT1092569B (it)
NL (1) NL187679C (it)
SE (1) SE420913B (it)

Families Citing this family (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4304581A (en) * 1980-08-07 1981-12-08 Western Electric Co., Inc. Lightguide preform fabrication
US4486214A (en) * 1983-12-08 1984-12-04 At&T Technologies, Inc. Methods of and apparatus for collapsing a preform tube into a preform from which lightguide fiber is drawn
DE3447081A1 (de) * 1984-05-26 1985-12-19 AEG-Telefunken Kabelwerke AG, Rheydt, 4050 Mönchengladbach Verfahren zum herstellen einer vorform zum ziehen von lichtleitfasern
DE3447082A1 (de) * 1984-05-26 1985-12-19 AEG-Telefunken Kabelwerke AG, Rheydt, 4050 Mönchengladbach Verfahren zum herstellen einer vorform zum ziehen von lichtleitfasern
DE3445239A1 (de) * 1984-12-12 1986-06-19 Philips Patentverwaltung Gmbh, 2000 Hamburg Verfahren zur herstellung von lichtleitfasern
DE3525979A1 (de) * 1985-07-20 1987-01-29 Philips Patentverwaltung Verfahren zur herstellung von lichtleitfasern
US4917718A (en) * 1987-08-07 1990-04-17 Corning Incorporated Method of making capillary tube

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB1496788A (en) * 1974-09-05 1978-01-05 Standard Telephones Cables Ltd Optical fibre manufacture
US3961926A (en) * 1974-12-27 1976-06-08 International Telephone And Telegraph Corporation Preparation of germania cores in optical fibers
DE2538313C3 (de) * 1975-08-28 1981-11-05 Heraeus Quarzschmelze Gmbh, 6450 Hanau Verfahren zur Herstellung eines Vorproduktes für die Erzeugung eines optischen, selbstfokussierenden Lichtleiters

Also Published As

Publication number Publication date
FR2380996B1 (it) 1980-06-13
GB1545759A (en) 1979-05-16
US4121919A (en) 1978-10-24
DE2805894A1 (de) 1978-08-24
NL7801836A (nl) 1978-08-22
NL187679C (nl) 1991-12-16
SE7801882L (sv) 1978-08-19
JPS53102764A (en) 1978-09-07
NL187679B (nl) 1991-07-16
JPS614780B2 (it) 1986-02-13
DE2805894C2 (de) 1986-05-07
CH618522A5 (it) 1980-07-31
FR2380996A1 (fr) 1978-09-15
IT1092569B (it) 1985-07-12
BE863332A (fr) 1978-07-26
SE420913B (sv) 1981-11-09

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