IT1191998B - Procedimento e apparecchiatura per la produzione di preforme per fibre ottiche operanti nella regione spettrale del medio infrarosso - Google Patents

Procedimento e apparecchiatura per la produzione di preforme per fibre ottiche operanti nella regione spettrale del medio infrarosso

Info

Publication number
IT1191998B
IT1191998B IT67290/86A IT6729086A IT1191998B IT 1191998 B IT1191998 B IT 1191998B IT 67290/86 A IT67290/86 A IT 67290/86A IT 6729086 A IT6729086 A IT 6729086A IT 1191998 B IT1191998 B IT 1191998B
Authority
IT
Italy
Prior art keywords
preforms
procedure
production
equipment
optical fibers
Prior art date
Application number
IT67290/86A
Other languages
English (en)
Other versions
IT8667290A0 (it
Inventor
Giuseppe Cocito
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 IT67290/86A priority Critical patent/IT1191998B/it
Publication of IT8667290A0 publication Critical patent/IT8667290A0/it
Priority to US07/030,777 priority patent/US4728350A/en
Priority to CA000533843A priority patent/CA1294496C/en
Priority to JP62084942A priority patent/JPS62241843A/ja
Priority to DE198787105285T priority patent/DE241037T1/de
Priority to DE8787105285T priority patent/DE3763502D1/de
Priority to EP87105285A priority patent/EP0241037B1/en
Application granted granted Critical
Publication of IT1191998B publication Critical patent/IT1191998B/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
    • 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
    • C03C—CHEMICAL COMPOSITION OF GLASSES, GLAZES OR VITREOUS ENAMELS; SURFACE TREATMENT OF GLASS; SURFACE TREATMENT OF FIBRES OR FILAMENTS MADE FROM GLASS, MINERALS OR SLAGS; JOINING GLASS TO GLASS OR OTHER MATERIALS
    • C03C13/00—Fibre or filament compositions
    • C03C13/04—Fibre optics, e.g. core and clad fibre compositions
    • 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
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10S—TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10S65/00—Glass manufacturing
    • Y10S65/15—Nonoxygen containing chalogenides
    • Y10S65/16—Optical filament or fiber treatment with fluorine or incorporating fluorine in final product

Landscapes

  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Geochemistry & Mineralogy (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • General Chemical & Material Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Materials Engineering (AREA)
  • Organic Chemistry (AREA)
  • General Life Sciences & Earth Sciences (AREA)
  • Manufacturing & Machinery (AREA)
  • Physics & Mathematics (AREA)
  • Optics & Photonics (AREA)
  • Manufacture, Treatment Of Glass Fibers (AREA)
  • Glass Compositions (AREA)
IT67290/86A 1986-04-10 1986-04-10 Procedimento e apparecchiatura per la produzione di preforme per fibre ottiche operanti nella regione spettrale del medio infrarosso IT1191998B (it)

Priority Applications (7)

Application Number Priority Date Filing Date Title
IT67290/86A IT1191998B (it) 1986-04-10 1986-04-10 Procedimento e apparecchiatura per la produzione di preforme per fibre ottiche operanti nella regione spettrale del medio infrarosso
US07/030,777 US4728350A (en) 1986-04-10 1987-03-25 Process and apparatus for producing optical-fiber preforms for mid-infrared range fibers
CA000533843A CA1294496C (en) 1986-04-10 1987-04-03 Process of and apparatus for manufacturing optical fibre preforms for operation in the mid infrared spectral range
JP62084942A JPS62241843A (ja) 1986-04-10 1987-04-08 中赤外スペクトル域での操作用光フアイバプリフオ−ムの製造方法および装置
DE198787105285T DE241037T1 (de) 1986-04-10 1987-04-09 Verfahren und vorrichtung zur herstellung einer optischen faservorform zur benutzung im mittelinfrarotbereich.
DE8787105285T DE3763502D1 (de) 1986-04-10 1987-04-09 Verfahren und vorrichtung zur herstellung einer optischen faservorform zur benutzung im mittelinfrarotbereich.
EP87105285A EP0241037B1 (en) 1986-04-10 1987-04-09 Process of and apparatus for manufacturing optical-fibre preforms for operation in the mid infrared spectral range

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
IT67290/86A IT1191998B (it) 1986-04-10 1986-04-10 Procedimento e apparecchiatura per la produzione di preforme per fibre ottiche operanti nella regione spettrale del medio infrarosso

Publications (2)

Publication Number Publication Date
IT8667290A0 IT8667290A0 (it) 1986-04-10
IT1191998B true IT1191998B (it) 1988-03-31

Family

ID=11301189

Family Applications (1)

Application Number Title Priority Date Filing Date
IT67290/86A IT1191998B (it) 1986-04-10 1986-04-10 Procedimento e apparecchiatura per la produzione di preforme per fibre ottiche operanti nella regione spettrale del medio infrarosso

Country Status (6)

Country Link
US (1) US4728350A (it)
EP (1) EP0241037B1 (it)
JP (1) JPS62241843A (it)
CA (1) CA1294496C (it)
DE (2) DE241037T1 (it)
IT (1) IT1191998B (it)

Families Citing this family (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3702025A1 (de) * 1987-01-24 1988-08-04 Philips Patentverwaltung Verfahren und vorrichtung zur herstellung von rotationssymmetrischen poroesen festkoerpern
JP2554356B2 (ja) * 1988-05-17 1996-11-13 住友電気工業株式会社 ガラス原料供給方法及びガラス原料供給装置
IT1219404B (it) * 1988-06-27 1990-05-11 Sip Procedimento e apparecchiatura per la fabbricazione di fibre ottiche in silice
JPH0662311B2 (ja) * 1988-12-07 1994-08-17 シツプ‐ソシエタ・イタリアーナ・ペル・レセルチツイオ・デル・テレコミニカイオーニ・ピー・アー シリカを基材としたファイバープリフォームのコアをドープする方法
US5284500A (en) * 1989-10-31 1994-02-08 Fujitsu Limited Process for fabricating an optical fiber preform
WO1991006512A1 (fr) * 1989-10-31 1991-05-16 Fujitsu Limited Procede de production d'un materiau de base pour fibres optiques
IT1245412B (it) * 1991-02-22 1994-09-20 Sip Apparecchiatura per la preparazione di miscele di polveri di composti chimici con alto grado di mescolamento ed in composizioni percentuali prefissate
US5211731A (en) * 1991-06-27 1993-05-18 The United States Of Americas As Represented By The Secretary Of The Navy Plasma chemical vapor deposition of halide glasses
JP3363512B2 (ja) * 1992-05-01 2003-01-08 住友電気工業株式会社 鉛含有フッ化物ガラスおよび光ファイバとその製造方法
FR2790753B1 (fr) 1999-03-08 2001-06-08 Cit Alcatel Procede de fabrication d'une preforme de fibre optique avec depot externe de silice eventuellement dopee
CN1539090A (zh) * 2001-04-12 2004-10-20 �ź㴫 高折射率差纤维波导及其应用
AU2003295929A1 (en) * 2002-11-22 2004-06-18 Omniguide, Inc. Dielectric waveguide and method of making the same

Family Cites Families (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3971645A (en) * 1975-09-12 1976-07-27 Bell Telephone Laboratories, Incorporated Method of making compound-glass optical waveguides fabricated by a metal evaporation technique
DE2546162B1 (de) * 1975-10-15 1976-09-23 Jenaer Glaswerk Schott & Gen Lichtleitfaser mit Brechungsindexgradient zur Nachrichtenuebertragung
DE2648702C3 (de) * 1976-10-27 1980-08-21 Jenaer Glaswerk Schott & Gen., 6500 Mainz Infrarotdurchlässige Lichtleitfaser aus sauerstoffarmem bzw. sauerstofffreiem GUs und Verfahren zu ihrer Herstellung
US4253863A (en) * 1977-06-07 1981-03-03 International Telephone And Telegraph Corporation Apparatus for mass producing fiber optic preforms and optic fibers
IT1119362B (it) * 1979-09-10 1986-03-10 Cselt Centro Studi Lab Telecom Procedimento ed apparecchiatura per la produzione di preforme per fibre ottiche
US4278459A (en) * 1980-03-03 1981-07-14 Western Electric Company, Inc. Method and apparatus for exhausting optical fiber preform tubes
IT1168841B (it) * 1983-09-15 1987-05-20 Cselt Centro Studi Lab Telecom Procedimento per la produzione di fibre ottiche a bassissima attenuazione nel medio infrarosso
US4597787A (en) * 1984-11-13 1986-07-01 Ispra Fibroptics Industries Herzlia Ltd. Manufacture of optical fibre preforms
US4666247A (en) * 1985-02-08 1987-05-19 American Telephone And Telegraph Company, At&T Bell Laboratories Multiconstituent optical fiber
US4610708A (en) * 1985-06-24 1986-09-09 Corning Glass Works Method for making metal halide optical fiber
EP0269624B1 (en) * 1985-08-13 2001-10-24 Btg International Limited Fibre-optic lasers and amplifiers
US4666486A (en) * 1985-09-24 1987-05-19 Hutta Joseph J Process for making bulk heavy metal fluoride glasses

Also Published As

Publication number Publication date
DE3763502D1 (de) 1990-08-09
EP0241037B1 (en) 1990-07-04
US4728350A (en) 1988-03-01
CA1294496C (en) 1992-01-21
EP0241037A3 (en) 1988-06-08
DE241037T1 (de) 1989-01-05
IT8667290A0 (it) 1986-04-10
JPS62241843A (ja) 1987-10-22
EP0241037A2 (en) 1987-10-14

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