IT1011298B - IMPROVEMENT IN THE PRODUCTION PROCEDURES OF FIBER OPTIC WAVE GUIDES - Google Patents

IMPROVEMENT IN THE PRODUCTION PROCEDURES OF FIBER OPTIC WAVE GUIDES

Info

Publication number
IT1011298B
IT1011298B IT5069674A IT5069674A IT1011298B IT 1011298 B IT1011298 B IT 1011298B IT 5069674 A IT5069674 A IT 5069674A IT 5069674 A IT5069674 A IT 5069674A IT 1011298 B IT1011298 B IT 1011298B
Authority
IT
Italy
Prior art keywords
improvement
fiber optic
wave guides
production procedures
optic wave
Prior art date
Application number
IT5069674A
Other languages
Italian (it)
Original Assignee
Macedo Buarque Pedro Manoel De
Litovitz Aaaron Theodore
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 Macedo Buarque Pedro Manoel De, Litovitz Aaaron Theodore filed Critical Macedo Buarque Pedro Manoel De
Application granted granted Critical
Publication of IT1011298B publication Critical patent/IT1011298B/en

Links

Classifications

    • 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
    • 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]
    • C03B37/016—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 a liquid phase reaction process, e.g. through a gel phase
    • 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
    • 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
    • C03C13/005—Fibre or filament compositions obtained by leaching of a soluble phase and consolidation
    • 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
    • C03C13/045—Silica-containing oxide glass compositions
    • 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
    • C03C13/045—Silica-containing oxide glass compositions
    • C03C13/046—Multicomponent glass compositions
    • 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
    • C03C15/00—Surface treatment of glass, not in the form of fibres or filaments, by etching
    • 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
    • C03C21/00—Treatment of glass, not in the form of fibres or filaments, by diffusing ions or metals in the surface
    • 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
    • C03C23/00—Other surface treatment of glass not in the form of fibres or filaments
    • C03C23/0095—Solution impregnating; Solution doping; Molecular stuffing, e.g. of porous glass
    • 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
    • C03B2201/08—Doped silica-based glasses doped with boron or fluorine or other refractive index decreasing dopant
    • C03B2201/10—Doped silica-based glasses doped with boron or fluorine or other refractive index decreasing dopant doped with boron
    • 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
    • C03B2201/32—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
    • C03B2201/34—Doped silica-based glasses doped with metals, e.g. Ga, Sn, Sb, Pb or Bi doped with rare earth metals, i.e. with Sc, Y or lanthanides, e.g. for laser-amplifiers
    • 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
    • C03B2201/50—Doped silica-based glasses doped with metals, e.g. Ga, Sn, Sb, Pb or Bi doped with alkali metals
    • 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
    • C03B2201/54—Doped silica-based glasses doped with metals, e.g. Ga, Sn, Sb, Pb or Bi doped with beryllium, magnesium or alkaline earth metals
    • 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
    • G02B6/028—Optical fibres with cladding with or without a coating with core or cladding having graded refractive index
    • G02B6/0281—Graded index region forming part of the central core segment, e.g. alpha profile, triangular, trapezoidal core

Landscapes

  • Chemical & Material Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Engineering & Computer Science (AREA)
  • Materials Engineering (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • General Chemical & Material Sciences (AREA)
  • Geochemistry & Mineralogy (AREA)
  • Organic Chemistry (AREA)
  • Physics & Mathematics (AREA)
  • Optics & Photonics (AREA)
  • Dispersion Chemistry (AREA)
  • General Life Sciences & Earth Sciences (AREA)
  • Manufacturing & Machinery (AREA)
  • General Physics & Mathematics (AREA)
  • Glass Compositions (AREA)
  • Glass Melting And Manufacturing (AREA)
  • Surface Treatment Of Glass Fibres Or Filaments (AREA)
  • Manufacture, Treatment Of Glass Fibers (AREA)
IT5069674A 1973-04-27 1974-04-29 IMPROVEMENT IN THE PRODUCTION PROCEDURES OF FIBER OPTIC WAVE GUIDES IT1011298B (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US35516473A 1973-04-27 1973-04-27

Publications (1)

Publication Number Publication Date
IT1011298B true IT1011298B (en) 1977-01-20

Family

ID=23396461

Family Applications (1)

Application Number Title Priority Date Filing Date
IT5069674A IT1011298B (en) 1973-04-27 1974-04-29 IMPROVEMENT IN THE PRODUCTION PROCEDURES OF FIBER OPTIC WAVE GUIDES

Country Status (7)

Country Link
JP (1) JPS5028339A (en)
CA (1) CA1020752A (en)
DE (1) DE2420558C2 (en)
FR (1) FR2227234B1 (en)
GB (1) GB1457456A (en)
IT (1) IT1011298B (en)
NL (1) NL7411049A (en)

Families Citing this family (18)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5243648B2 (en) * 1974-10-21 1977-11-01
AU506281B2 (en) * 1975-03-18 1979-12-20 Litovitz, Theodore A. Producing strengthened glass structural member
CA1063352A (en) * 1975-03-18 1979-10-02 Pedro B. Macedo Method for producing an impregnated waveguide
GB1550820A (en) * 1975-07-04 1979-08-22 Standard Telephones Cables Ltd Optical fibre manufacture
FR2368444A1 (en) * 1976-10-19 1978-05-19 Thomson Csf METHOD OF MANUFACTURING GLASS FIBERS WITH A RADIAL GRADIENT OF REFRACTION INDEX, FOR THE GUIDANCE OF OPTICAL WAVES
CA1083183A (en) * 1976-12-30 1980-08-05 Mrinmay Samanta Joint doping of porous glasses to produce materials with high modifier concentrations
FR2427621A1 (en) * 1978-05-30 1979-12-28 Thomson Csf LOW ATTENUATION OPTICAL FIBER MANUFACTURING PROCESS, AND OPTICAL FIBER OBTAINED BY THIS PROCESS
US4263031A (en) * 1978-06-12 1981-04-21 Corning Glass Works Method of producing glass optical filaments
US4302231A (en) * 1979-01-29 1981-11-24 Pedro Manoel Buarque De Macedo Method of producing a glass article having a graded refractive index profile of a parabolic nature
ZA81161B (en) * 1980-01-28 1982-08-25 Pilkington Brothers Ltd Optical glass fibres and methods of forming such fibres
CA1172045A (en) * 1980-09-16 1984-08-07 Shiro Kurosaki Process for the production of an optical glass article
DE3123024A1 (en) * 1981-06-10 1983-01-05 Siemens AG, 1000 Berlin und 8000 München Process for the preparation of high-purity silicon dioxide for optical fibres
JPS5884143A (en) * 1981-11-10 1983-05-20 Natl Inst For Res In Inorg Mater Low expansion glass composition
JPS58199747A (en) * 1982-05-14 1983-11-21 Hoya Corp Manufacture of glass body having gradient of refractive index
CH658644A5 (en) * 1984-04-12 1986-11-28 Battelle Memorial Institute PROCESS FOR PRODUCING PREFORMS FOR OPTICAL FIBERS.
US4605632A (en) * 1984-10-24 1986-08-12 Corning Glass Works Glass for tungsten-halogen lamps
DE3741393A1 (en) * 1987-12-07 1989-06-15 Siemens Ag Process for producing shaped bodies comprising highly pure SiO2
US9393760B2 (en) 2013-02-28 2016-07-19 Corning Incorporated Laminated glass articles with phase-separated claddings and methods for forming the same

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2106744A (en) * 1934-03-19 1938-02-01 Corning Glass Works Treated borosilicate glass
GB1279465A (en) * 1968-10-25 1972-06-28 Nippon Selfoc Co Ltd Production of light-conducting fibres

Also Published As

Publication number Publication date
FR2227234A1 (en) 1974-11-22
GB1457456A (en) 1976-12-01
NL7411049A (en) 1975-10-24
AU6834574A (en) 1975-10-30
CA1020752A (en) 1977-11-15
DE2420558C2 (en) 1986-05-28
JPS5028339A (en) 1975-03-22
DE2420558A1 (en) 1974-11-21
FR2227234B1 (en) 1981-11-27

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