IT1046366B - Una pre forma di fibre ottiche - Google Patents

Una pre forma di fibre ottiche

Info

Publication number
IT1046366B
IT1046366B IT25825/74A IT2582574A IT1046366B IT 1046366 B IT1046366 B IT 1046366B IT 25825/74 A IT25825/74 A IT 25825/74A IT 2582574 A IT2582574 A IT 2582574A IT 1046366 B IT1046366 B IT 1046366B
Authority
IT
Italy
Prior art keywords
optical fibers
pre form
fibers
optical
Prior art date
Application number
IT25825/74A
Other languages
English (en)
Original Assignee
Int Standard Electric Corp
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
Priority claimed from GB3944473A external-priority patent/GB1475496A/en
Application filed by Int Standard Electric Corp filed Critical Int Standard Electric Corp
Application granted granted Critical
Publication of IT1046366B publication Critical patent/IT1046366B/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
    • 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
    • C03B37/01853—Thermal after-treatment of preforms, e.g. dehydrating, consolidating, sintering
    • 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
    • G02B6/44—Mechanical structures for providing tensile strength and external protection for fibres, e.g. optical transmission cables
    • G02B6/4401—Optical cables
    • G02B6/4429—Means specially adapted for strengthening or protecting the cables
    • G02B6/44382—Means specially adapted for strengthening or protecting the cables the means comprising hydrogen absorbing materials
    • C—CHEMISTRY; METALLURGY
    • C03—GLASS; MINERAL OR SLAG WOOL
    • C03B—MANUFACTURE, SHAPING, OR SUPPLEMENTARY PROCESSES
    • C03B2201/00—Type of glass produced
    • C03B2201/06—Doped silica-based glasses
    • C03B2201/20—Doped silica-based glasses doped with non-metals other than boron or fluorine
    • C03B2201/28—Doped silica-based glasses doped with non-metals other than boron or fluorine doped with phosphorus
    • C—CHEMISTRY; METALLURGY
    • C03—GLASS; MINERAL OR SLAG WOOL
    • C03B—MANUFACTURE, SHAPING, OR SUPPLEMENTARY PROCESSES
    • C03B2201/00—Type of glass produced
    • C03B2201/06—Doped silica-based glasses
    • C03B2201/30—Doped silica-based glasses doped with metals, e.g. Ga, Sn, Sb, Pb or Bi
    • C—CHEMISTRY; METALLURGY
    • C03—GLASS; MINERAL OR SLAG WOOL
    • C03B—MANUFACTURE, SHAPING, OR SUPPLEMENTARY PROCESSES
    • C03B2201/00—Type of glass produced
    • C03B2201/06—Doped silica-based glasses
    • C03B2201/30—Doped silica-based glasses doped with metals, e.g. Ga, Sn, Sb, Pb or Bi
    • C03B2201/31—Doped silica-based glasses doped with metals, e.g. Ga, Sn, Sb, Pb or Bi doped with germanium
    • C—CHEMISTRY; METALLURGY
    • C03—GLASS; MINERAL OR SLAG WOOL
    • C03B—MANUFACTURE, SHAPING, OR SUPPLEMENTARY PROCESSES
    • C03B2201/00—Type of glass produced
    • C03B2201/06—Doped silica-based glasses
    • C03B2201/30—Doped silica-based glasses doped with metals, e.g. Ga, Sn, Sb, Pb or Bi
    • C03B2201/32—Doped silica-based glasses doped with metals, e.g. Ga, Sn, Sb, Pb or Bi doped with aluminium
    • C—CHEMISTRY; METALLURGY
    • C03—GLASS; MINERAL OR SLAG WOOL
    • C03B—MANUFACTURE, SHAPING, OR SUPPLEMENTARY PROCESSES
    • C03B2201/00—Type of glass produced
    • C03B2201/06—Doped silica-based glasses
    • C03B2201/30—Doped silica-based glasses doped with metals, e.g. Ga, Sn, Sb, Pb or Bi
    • C03B2201/40—Doped silica-based glasses doped with metals, e.g. Ga, Sn, Sb, Pb or Bi doped with transition metals other than rare earth metals, e.g. Zr, Nb, Ta or Zn
    • C—CHEMISTRY; METALLURGY
    • C03—GLASS; MINERAL OR SLAG WOOL
    • C03B—MANUFACTURE, SHAPING, OR SUPPLEMENTARY PROCESSES
    • C03B2201/00—Type of glass produced
    • C03B2201/06—Doped silica-based glasses
    • C03B2201/30—Doped silica-based glasses doped with metals, e.g. Ga, Sn, Sb, Pb or Bi
    • C03B2201/40—Doped silica-based glasses doped with metals, e.g. Ga, Sn, Sb, Pb or Bi doped with transition metals other than rare earth metals, e.g. Zr, Nb, Ta or Zn
    • C03B2201/42—Doped silica-based glasses doped with metals, e.g. Ga, Sn, Sb, Pb or Bi doped with transition metals other than rare earth metals, e.g. Zr, Nb, Ta or Zn doped with titanium
    • C—CHEMISTRY; METALLURGY
    • C03—GLASS; MINERAL OR SLAG WOOL
    • C03B—MANUFACTURE, SHAPING, OR SUPPLEMENTARY PROCESSES
    • C03B2205/00—Fibre drawing or extruding details
    • C03B2205/12—Drawing solid optical fibre directly from a hollow preform
    • C03B2205/16—Drawing solid optical fibre directly from a hollow preform the drawn fibre consisting of circularly symmetric core and clad

Landscapes

  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • General Life Sciences & Earth Sciences (AREA)
  • Geochemistry & Mineralogy (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • General Chemical & Material Sciences (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Organic Chemistry (AREA)
  • Materials Engineering (AREA)
  • Manufacturing & Machinery (AREA)
  • Physics & Mathematics (AREA)
  • Optics & Photonics (AREA)
  • General Physics & Mathematics (AREA)
  • Thermal Sciences (AREA)
  • Manufacture, Treatment Of Glass Fibers (AREA)
  • Glass Compositions (AREA)
IT25825/74A 1973-08-21 1974-08-01 Una pre forma di fibre ottiche IT1046366B (it)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB3944473A GB1475496A (en) 1972-06-08 1973-08-21 Optical fibres and optical fibre preforms

Publications (1)

Publication Number Publication Date
IT1046366B true IT1046366B (it) 1980-06-30

Family

ID=10409577

Family Applications (1)

Application Number Title Priority Date Filing Date
IT25825/74A IT1046366B (it) 1973-08-21 1974-08-01 Una pre forma di fibre ottiche

Country Status (7)

Country Link
US (1) US4341441A (it)
JP (1) JPS584323B2 (it)
CH (1) CH605437A5 (it)
DE (3) DE2463016C2 (it)
FR (1) FR2241507B3 (it)
IT (1) IT1046366B (it)
NL (1) NL186378C (it)

Families Citing this family (34)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CA1050833A (en) * 1974-02-22 1979-03-20 John B. Macchesney Optical fiber fabrication involving homogeneous reaction within a moving hot zone
US4217027A (en) 1974-02-22 1980-08-12 Bell Telephone Laboratories, Incorporated Optical fiber fabrication and resulting product
US4909816A (en) * 1974-02-22 1990-03-20 American Telephone And Telegraph Company, At&T Bell Laboratories Optical fiber fabrication and resulting product
GB1499991A (en) * 1974-08-06 1978-02-01 Standard Telephones Cables Ltd Optical fibres
JPS51146243A (en) * 1975-06-11 1976-12-15 Hitachi Ltd Process for manufacturing optical fiber
US4116653A (en) * 1975-07-04 1978-09-26 International Standard Electric Corporation Optical fiber manufacture
US4339173A (en) * 1975-09-08 1982-07-13 Corning Glass Works Optical waveguide containing P2 O5 and GeO2
CA1029993A (en) * 1975-09-11 1978-04-25 Frederick D. King Optical fibre transmission line
DE2546162B1 (de) * 1975-10-15 1976-09-23 Jenaer Glaswerk Schott & Gen Lichtleitfaser mit Brechungsindexgradient zur Nachrichtenuebertragung
JPS5621777Y2 (it) * 1976-02-04 1981-05-22
DE2614183C3 (de) * 1976-04-02 1981-11-12 Jenaer Glaswerk Schott & Gen., 6500 Mainz Lichtleitfaser mit Gradientenprofil des Brechungsindex, niedrigen Übertragungsverlusten, hoher Übertragungskapazität und großer Aperatur bei Verwnedung von GeO↓2↓
DE2615534C3 (de) * 1976-04-09 1978-10-05 Jenaer Glaswerk Schott & Gen., 6500 Mainz Für die Nachrichtenübertragung geeignete Lichtleitfaser mit Gradientenprofil aus Mehrkomponentengläsern mit angepaßtem Ausdehnungskoeffizienten zwischen Glaskern und Glasmantel sowie Verfahren zu ihrer Herstellung
DE2637937A1 (de) * 1976-08-23 1978-03-02 Siemens Ag Herstellung von lichtleitfasern nach einem fluessigphasen-abscheidungsverfahren
JPS5337440A (en) * 1976-09-20 1978-04-06 Hitachi Ltd Production of optical fibers
US4111525A (en) * 1976-10-12 1978-09-05 Bell Telephone Laboratories, Incorporated Silica based optical fiber waveguide using phosphorus pentoxide and germanium dioxide
DE2746418B2 (de) * 1976-11-02 1980-05-22 Fujitsu Ltd., Kawasaki, Kanagawa (Japan) seiner Herstellung, aus ihm hergestellte optische Übertraglingsleitungen sowie Verfahren zum Herstellen einer optischen Übertragungsleitung
GB1562032A (en) * 1977-03-24 1980-03-05 Standard Telephones Cables Ltd Optical fibre manufacture
US4334903A (en) 1977-08-29 1982-06-15 Bell Telephone Laboratories, Incorporated Optical fiber fabrication
JPS5924092B2 (ja) * 1978-12-29 1984-06-07 三菱マテリアル株式会社 光フアイバ母材の製造法
EP0032390B1 (en) 1980-01-11 1987-04-22 Hitachi, Ltd. Method of producing a preform rod for an optical fiber
DE3206175A1 (de) * 1982-02-20 1983-08-25 Licentia Patent-Verwaltungs-Gmbh, 6000 Frankfurt Verfahren zur herstellung einer vorform, aus der optische fasern ziehbar sind
IT1157146B (it) * 1982-12-16 1987-02-11 Cselt Centro Studi Lab Telecom Metodo per la compensazione del profilo di indice di rifrazione di fibre ottiche
NL8402225A (nl) * 1984-07-13 1986-02-03 Philips Nv Werkwijze voor de vervaardiging van massieve glazen voorvormen uit holle voorvormen.
US5030217A (en) * 1988-04-14 1991-07-09 Heraeus Lasersonics, Inc. Medical laser probe and method of delivering CO2 radiation
US4911712A (en) * 1988-04-14 1990-03-27 Heraeus Lasersonics, Inc. Medical laser probe
AU625144B2 (en) * 1989-10-31 1992-07-02 Fujitsu Limited Production method for optical fiber base material
DE4133173A1 (de) * 1991-10-07 1993-04-22 Rheydt Kabelwerk Ag Verfahren zum herstellen einer vorform fuer optische fasern
US6093160A (en) * 1994-11-21 2000-07-25 Augustine Medical, Inc. Flexible non-contact wound treatment device
US5647040A (en) * 1995-12-14 1997-07-08 Corning Incorporated Tunable optical coupler using photosensitive glass
US5850497A (en) * 1997-04-15 1998-12-15 Lucent Technologies Inc. Method for stretching refractory bodies
US6636675B2 (en) 2001-03-12 2003-10-21 Verrillon, Inc. Optical fiber with reduced cladding-mode loss
WO2003057634A1 (en) * 2001-12-21 2003-07-17 Fibercore, Inc. Method for offline collapsing a preform
EP3647287B1 (en) * 2018-10-30 2024-04-17 SCHOTT Pharma AG & Co. KGaA Container precursor having a wall of glass which is superimposed by a plurality of particles
CN109437546B (zh) * 2018-12-03 2021-08-24 长飞光纤光缆股份有限公司 光纤预制棒加热炉及其加热掺杂方法

Family Cites Families (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1085393B (de) * 1956-02-11 1960-07-14 Degussa Verfahren zum Abscheiden von Metallschichten in Rohren aus keramischem Werkstoff
US3127641A (en) * 1961-10-05 1964-04-07 Gen Electric Tungsten tube manufacture
DE1913358U (de) 1965-01-26 1965-04-08 Schwartz & Co G Glockenkappe fuer stahlflaschen.
US3711262A (en) * 1970-05-11 1973-01-16 Corning Glass Works Method of producing optical waveguide fibers
GB1406870A (en) * 1970-05-11 1975-09-17 Corning Glass Works Method of forming an economic optical waveguide fibre
CA951555A (en) 1970-05-11 1974-07-23 Robert D. Maurer Glass optical waveguide
GB1391177A (en) * 1971-08-09 1975-04-16 Thermal Syndicate Ltd Vitreous siliceous material
US3737292A (en) * 1972-01-03 1973-06-05 Corning Glass Works Method of forming optical waveguide fibers
US3823995A (en) * 1972-03-30 1974-07-16 Corning Glass Works Method of forming light focusing fiber waveguide
GB1427327A (en) * 1972-06-08 1976-03-10 Standard Telephones Cables Ltd Glass optical fibres
US3884550A (en) * 1973-01-04 1975-05-20 Corning Glass Works Germania containing optical waveguide
US3961926A (en) * 1974-12-27 1976-06-08 International Telephone And Telegraph Corporation Preparation of germania cores in optical fibers

Also Published As

Publication number Publication date
FR2241507A1 (it) 1975-03-21
DE2463097C2 (de) 1984-05-24
US4341441B1 (it) 1986-05-06
JPS5051338A (it) 1975-05-08
DE2434717A1 (de) 1975-03-06
NL7411140A (nl) 1975-02-25
NL186378B (nl) 1990-06-18
US4341441A (en) 1982-07-27
CH605437A5 (it) 1978-09-29
FR2241507B3 (it) 1977-06-10
AU7239074A (en) 1976-02-19
NL186378C (nl) 1994-09-16
DE2463016C2 (de) 1982-05-06
DE2434717C2 (de) 1989-05-18
JPS584323B2 (ja) 1983-01-26

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