IT1061546B - Linea di trasmissione a fibra ottica - Google Patents

Linea di trasmissione a fibra ottica

Info

Publication number
IT1061546B
IT1061546B IT7624276A IT2427676A IT1061546B IT 1061546 B IT1061546 B IT 1061546B IT 7624276 A IT7624276 A IT 7624276A IT 2427676 A IT2427676 A IT 2427676A IT 1061546 B IT1061546 B IT 1061546B
Authority
IT
Italy
Prior art keywords
optical fiber
transmission line
fiber transmission
line
optical
Prior art date
Application number
IT7624276A
Other languages
English (en)
Original Assignee
Northern Telecom Ltd
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 Northern Telecom Ltd filed Critical Northern Telecom Ltd
Application granted granted Critical
Publication of IT1061546B publication Critical patent/IT1061546B/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
    • 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
IT7624276A 1975-09-11 1976-06-14 Linea di trasmissione a fibra ottica IT1061546B (it)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CA235,217A CA1029993A (en) 1975-09-11 1975-09-11 Optical fibre transmission line

Publications (1)

Publication Number Publication Date
IT1061546B true IT1061546B (it) 1983-04-30

Family

ID=4104016

Family Applications (1)

Application Number Title Priority Date Filing Date
IT7624276A IT1061546B (it) 1975-09-11 1976-06-14 Linea di trasmissione a fibra ottica

Country Status (8)

Country Link
JP (1) JPS5235654A (it)
CA (1) CA1029993A (it)
DE (1) DE2627821A1 (it)
ES (1) ES451410A1 (it)
FR (1) FR2362410A1 (it)
IT (1) IT1061546B (it)
NL (1) NL7606951A (it)
SE (1) SE7610078L (it)

Families Citing this family (22)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4229070A (en) * 1978-07-31 1980-10-21 Corning Glass Works High bandwidth optical waveguide having B2 O3 free core and method of fabrication
FR2432478B1 (it) * 1978-07-31 1982-03-12 Quartz & Silice
DE2912960A1 (de) * 1979-03-31 1980-10-09 Licentia Gmbh Verfahren zur herstellung von lichtleitfasern
JPS5611408A (en) * 1979-07-09 1981-02-04 Nippon Telegr & Teleph Corp <Ntt> Optical fiber
GB2062611A (en) * 1979-10-29 1981-05-28 Standard Telephones Cables Ltd Single mode optical fibre
DE3000954C2 (de) * 1980-01-12 1982-04-22 Standard Elektrik Lorenz Ag, 7000 Stuttgart Verfahren zum Ätzen von Glasoberflächen, insbesondere bei der Glasfaser-Lichtleiter-Herstellung
FR2476058A1 (fr) * 1980-02-15 1981-08-21 Quartz Silice Sa Semi-produit pour la production de fibres optiques, procede de preparation du semi-produit et fibres optiques obtenues a partir du semi-produit
DE3031147A1 (de) * 1980-08-18 1982-03-18 Siemens AG, 1000 Berlin und 8000 München Verfahren zum herstellen von glas mit einem vorbestimmten brechzahlprofil und alkalifreies glas aus einem oxis eines grundstoffes, das mit einem oder mehreren weiteren stoffen dotiert ist
CA1170876A (en) * 1980-12-29 1984-07-17 Koichi Abe Fiber with coarse index gradient
FR2519774A1 (fr) * 1982-01-08 1983-07-18 Quartz & Silice Fibres optiques a grande bande passante
DE3206180A1 (de) * 1982-02-20 1983-08-25 Licentia Patent-Verwaltungs-Gmbh, 6000 Frankfurt Verfahren zur herstellung einer vorform, aus der optische fasern ziehbar sind
DE3206177A1 (de) * 1982-02-20 1983-08-25 Licentia Patent-Verwaltungs-Gmbh, 6000 Frankfurt Verfahren zur herstellung einer vorform, aus der optische fasern ziehbar sind
NL8201453A (nl) * 1982-04-06 1983-11-01 Philips Nv Werkwijze voor de vervaardiging van optische vezels.
US4560247A (en) * 1983-07-01 1985-12-24 Quartz Et Silice Large bandwidth optical fibers
EP0146659B1 (en) * 1983-12-22 1988-03-30 Shin-Etsu Chemical Co., Ltd. A method for the preparation of synthetic quartz glass suitable as a material of optical fibers
JPS60218345A (ja) * 1984-04-13 1985-11-01 Mitsubishi Petrochem Co Ltd フエノ−ル類のオルトアルキル化法
US4822136A (en) * 1984-06-15 1989-04-18 Polaroid Corporation Single mode optical fiber
DE3735532A1 (de) * 1987-10-21 1989-05-03 Rheydt Kabelwerk Ag Verfahren zum herstellen einer vorform fuer lichtwellenleiter
DE3842805A1 (de) * 1988-12-20 1990-06-21 Rheydt Kabelwerk Ag Lichtwellenleiter
DE3842804A1 (de) * 1988-12-20 1990-06-21 Rheydt Kabelwerk Ag Lichtwellenleiter
DE4242546A1 (de) * 1992-12-16 1994-06-23 Richter Thomas Technische Gläser in auto-radialen Verbunden zur Erfassung physikalischer Größen
FR2829305B1 (fr) * 2001-08-30 2004-10-22 Cit Alcatel Fibre optique double coeur avec anneau dope terre rare

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB1427327A (en) * 1972-06-08 1976-03-10 Standard Telephones Cables Ltd Glass optical fibres
JPS4963447A (it) * 1972-10-17 1974-06-19
JPS5515682B2 (it) * 1972-11-25 1980-04-25
DE2434717C2 (de) * 1973-08-21 1989-05-18 International Standard Electric Corp., 10022 New York, N.Y. Verfahren zur Herstellung eines Glasfaser-Lichtleiters
CH620181A5 (en) * 1975-08-16 1980-11-14 Heraeus Schott Quarzschmelze Process for the preparation of synthetic quartz glass, apparatus to carry out the process, and the use of the synthetic quartz glass
DE2536456C2 (de) * 1975-08-16 1981-02-05 Heraeus Quarzschmelze Gmbh, 6450 Hanau Halbzeug für die Herstellung von Lichtleitfasern und Verfahren zur Herstellung des Halbzeugs

Also Published As

Publication number Publication date
DE2627821A1 (de) 1977-03-17
JPS5235654A (en) 1977-03-18
SE7610078L (sv) 1977-03-12
FR2362410A1 (fr) 1978-03-17
CA1029993A (en) 1978-04-25
NL7606951A (nl) 1977-03-15
ES451410A1 (es) 1977-10-01

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