ITTO940186A0 - Procedimento per la realizzazione di fibre ottiche monomodo in vetro, flururato. - Google Patents

Procedimento per la realizzazione di fibre ottiche monomodo in vetro, flururato.

Info

Publication number
ITTO940186A0
ITTO940186A0 ITTO940186A ITTO940186A ITTO940186A0 IT TO940186 A0 ITTO940186 A0 IT TO940186A0 IT TO940186 A ITTO940186 A IT TO940186A IT TO940186 A ITTO940186 A IT TO940186A IT TO940186 A0 ITTO940186 A0 IT TO940186A0
Authority
IT
Italy
Prior art keywords
flured
creation
procedure
glass
optical fibers
Prior art date
Application number
ITTO940186A
Other languages
English (en)
Inventor
Marco Braglia
Giuseppe Cocito
Original Assignee
Cselt & Centro Studi E Lab Tel
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 Lab Tel filed Critical Cselt & Centro Studi E Lab Tel
Priority to IT94TO000186A priority Critical patent/IT1267418B1/it
Publication of ITTO940186A0 publication Critical patent/ITTO940186A0/it
Priority to US08/362,661 priority patent/US5656056A/en
Priority to CA002142061A priority patent/CA2142061C/en
Priority to EP95103595A priority patent/EP0672628B1/en
Priority to DE0672628T priority patent/DE672628T1/de
Priority to DE69500319T priority patent/DE69500319T2/de
Priority to JP7080862A priority patent/JP2739683B2/ja
Publication of ITTO940186A1 publication Critical patent/ITTO940186A1/it
Application granted granted Critical
Publication of IT1267418B1 publication Critical patent/IT1267418B1/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
    • C03B37/01205—Manufacture of preforms for drawing fibres or filaments starting from tubes, rods, fibres or filaments
    • C03B37/01225—Means for changing or stabilising the shape, e.g. diameter, of tubes or rods in general, e.g. collapsing
    • C03B37/01228—Removal of preform material
    • 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
    • C03B37/01265—Manufacture of preforms for drawing fibres or filaments starting entirely or partially from molten glass, e.g. by dipping a preform in a melt
    • C03B37/01271—Manufacture of preforms for drawing fibres or filaments starting entirely or partially from molten glass, e.g. by dipping a preform in a melt by centrifuging
    • 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
    • C03B37/02754—Solid fibres drawn from hollow preforms
    • C—CHEMISTRY; METALLURGY
    • C03—GLASS; MINERAL OR SLAG WOOL
    • C03B—MANUFACTURE, SHAPING, OR SUPPLEMENTARY PROCESSES
    • C03B2201/00—Type of glass produced
    • C03B2201/80—Non-oxide glasses or glass-type compositions
    • C03B2201/82—Fluoride glasses, e.g. ZBLAN glass
IT94TO000186A 1994-03-16 1994-03-16 Procedimento per la realizzazione di fibre ottiche monomodo in vetro fluorurato. IT1267418B1 (it)

Priority Applications (7)

Application Number Priority Date Filing Date Title
IT94TO000186A IT1267418B1 (it) 1994-03-16 1994-03-16 Procedimento per la realizzazione di fibre ottiche monomodo in vetro fluorurato.
US08/362,661 US5656056A (en) 1994-03-16 1994-12-22 Method for the fabrication of fluoride glass single mode optical fibers with flowing of an etchant through the fiber preform
CA002142061A CA2142061C (en) 1994-03-16 1995-02-08 Method for the fabrication of fluoride glass single mode optical fibres
EP95103595A EP0672628B1 (en) 1994-03-16 1995-03-13 Method for the fabrication of fluoride glass single mode optical fibres
DE0672628T DE672628T1 (de) 1994-03-16 1995-03-13 Verfahren zum Herstellen von monomodalen optischen Fasern aus Fluoridglas.
DE69500319T DE69500319T2 (de) 1994-03-16 1995-03-13 Verfahren zum Herstellen von monomodalen optischen Fasern aus Fluoridglas
JP7080862A JP2739683B2 (ja) 1994-03-16 1995-03-14 フッ化物ガラスの単一モード光ファイバーの作製方法

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
IT94TO000186A IT1267418B1 (it) 1994-03-16 1994-03-16 Procedimento per la realizzazione di fibre ottiche monomodo in vetro fluorurato.

Publications (3)

Publication Number Publication Date
ITTO940186A0 true ITTO940186A0 (it) 1994-03-16
ITTO940186A1 ITTO940186A1 (it) 1995-09-16
IT1267418B1 IT1267418B1 (it) 1997-02-05

Family

ID=11412313

Family Applications (1)

Application Number Title Priority Date Filing Date
IT94TO000186A IT1267418B1 (it) 1994-03-16 1994-03-16 Procedimento per la realizzazione di fibre ottiche monomodo in vetro fluorurato.

Country Status (6)

Country Link
US (1) US5656056A (it)
EP (1) EP0672628B1 (it)
JP (1) JP2739683B2 (it)
CA (1) CA2142061C (it)
DE (2) DE69500319T2 (it)
IT (1) IT1267418B1 (it)

Families Citing this family (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2741061B1 (fr) * 1995-11-13 1998-03-20 Alcatel Fibres Optiques Procede de fabrication d'une fibre optique monomode et amplificateur optique utilisant une telle fibre
FR2750129B1 (fr) * 1996-06-20 1998-07-31 Alsthom Cge Alcatel Procede de fabrication d'une preforme de fibre optique en verre fluore
US6131414A (en) * 1997-05-13 2000-10-17 Shin-Etsu Chemical Co., Ltd. Method for making a preform for optical fibers by drawing a mother ingot
DE19723833A1 (de) 1997-06-06 1998-12-10 Alsthom Cge Alcatel Verstärkungslichtwellenleiter und Verfahren zu seiner Herstellung
DE69931825T8 (de) * 1998-11-05 2007-09-20 Shin-Etsu Chemical Co., Ltd. Verfahren und Vorrichtung zum Herstellen einer Vorform und einer optischen Faser aus der Vorform
US6444133B1 (en) * 2000-04-28 2002-09-03 Corning Incorporated Method of making photonic band gap fibers
US6598429B1 (en) 2000-11-17 2003-07-29 Beamtek, Inc. Method for fabricating gradient-index rods and rod arrays
JP5057639B2 (ja) 2001-07-06 2012-10-24 コーニング インコーポレイテッド フォトニックバンドギャップファイバの製造方法
US20070062223A1 (en) * 2006-10-16 2007-03-22 Sterlite Optical Technologies Ltd Optical fiber having reduced polarization mode dispersion (PMD) and method for producing the same
US8265431B2 (en) 2009-11-06 2012-09-11 Baker Hughes Incorporated Rotated single or multicore optical fiber
CN114538767B (zh) * 2022-03-30 2024-04-26 中国计量大学 一种光纤预制棒的成型装置及其成型方法

Family Cites Families (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5141640A (en) * 1974-10-05 1976-04-08 Kobe Steel Ltd Kanjosozaino naimensanaraisochi
US4292063A (en) * 1980-05-05 1981-09-29 Northern Telecom Limited Manufacture of an optical fiber preform with micro-wave plasma activated deposition in a tube
GB2104225B (en) * 1981-08-06 1985-05-09 Standard Telephones Cables Ltd Testing plastics coatings on optical fibres
NL8201453A (nl) * 1982-04-06 1983-11-01 Philips Nv Werkwijze voor de vervaardiging van optische vezels.
JPS62265140A (ja) 1986-05-14 1987-11-18 Seiko Epson Corp 円筒状光フアイバ−母材の製造方法
EP0247322A3 (de) * 1986-05-27 1989-02-01 Siemens Aktiengesellschaft Verfahren zur Herstellung einer Vorform zum Ziehen von optischen Glasfasern
US5055120A (en) * 1987-12-15 1991-10-08 Infrared Fiber Systems, Inc. Fluoride glass fibers with reduced defects
CA1330022C (en) * 1987-12-28 1994-06-07 Shigeo Masuda Plastic-coated optical transmission fiber and an estimating method thereof
US4898777A (en) * 1989-01-24 1990-02-06 Infrared Fiber Systems High-strength fluoride glass fibers and process of making
US5152816A (en) * 1989-10-16 1992-10-06 Corning Incorporated Method of enlarging end of capillary tube bore
JPH0416524A (ja) * 1990-05-09 1992-01-21 Nippon Telegr & Teleph Corp <Ntt> フッ化物光ファイバの製造方法

Also Published As

Publication number Publication date
IT1267418B1 (it) 1997-02-05
JPH07277756A (ja) 1995-10-24
JP2739683B2 (ja) 1998-04-15
DE69500319T2 (de) 1997-10-09
DE69500319D1 (de) 1997-07-03
CA2142061A1 (en) 1995-09-17
EP0672628A1 (en) 1995-09-20
US5656056A (en) 1997-08-12
ITTO940186A1 (it) 1995-09-16
EP0672628B1 (en) 1997-05-28
DE672628T1 (de) 1996-05-02
CA2142061C (en) 1999-06-01

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Legal Events

Date Code Title Description
0001 Granted