HK12079A - Optical fibres and processes for their production - Google Patents

Optical fibres and processes for their production

Info

Publication number
HK12079A
HK12079A HK12079A HK12079A HK12079A HK 12079 A HK12079 A HK 12079A HK 12079 A HK12079 A HK 12079A HK 12079 A HK12079 A HK 12079A HK 12079 A HK12079 A HK 12079A
Authority
HK
Hong Kong
Prior art keywords
processes
production
optical fibres
fibres
optical
Prior art date
Application number
HK12079A
Original Assignee
Sumitomo Electric Industries
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 Sumitomo Electric Industries filed Critical Sumitomo Electric Industries
Publication of HK12079A publication Critical patent/HK12079A/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
    • 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
    • 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
    • C03B37/012—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
    • C03B37/02—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
    • 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
    • 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
    • C03B2203/00—Fibre product details, e.g. structure, shape
    • C03B2203/10—Internal structure or shape details
    • C03B2203/22—Radial profile of refractive index, composition or softening point

Landscapes

  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Materials Engineering (AREA)
  • Geochemistry & Mineralogy (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Organic Chemistry (AREA)
  • Manufacturing & Machinery (AREA)
  • General Life Sciences & Earth Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • General Chemical & Material Sciences (AREA)
  • Physics & Mathematics (AREA)
  • Optics & Photonics (AREA)
  • General Physics & Mathematics (AREA)
  • Manufacture, Treatment Of Glass Fibers (AREA)
  • Lasers (AREA)
HK12079A 1972-12-14 1979-03-15 Optical fibres and processes for their production HK12079A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP12548472A JPS4983453A (en) 1972-12-14 1972-12-14

Publications (1)

Publication Number Publication Date
HK12079A true HK12079A (en) 1979-03-23

Family

ID=14911218

Family Applications (1)

Application Number Title Priority Date Filing Date
HK12079A HK12079A (en) 1972-12-14 1979-03-15 Optical fibres and processes for their production

Country Status (7)

Country Link
JP (1) JPS4983453A (en)
DE (1) DE2362341B2 (en)
FR (1) FR2327557A1 (en)
GB (1) GB1459199A (en)
HK (1) HK12079A (en)
MY (1) MY7900188A (en)
NL (1) NL7316896A (en)

Families Citing this family (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2444100C3 (en) * 1974-09-14 1979-04-12 Philips Patentverwaltung Gmbh, 2000 Hamburg Process for the production of internally coated glass tubes for drawing optical fibers
DE2538313C3 (en) * 1975-08-28 1981-11-05 Heraeus Quarzschmelze Gmbh, 6450 Hanau Process for the production of a preliminary product for the production of an optical, self-focusing light guide
US4076378A (en) * 1976-03-08 1978-02-28 American Optical Corporation Tapered fiber optic array
JPS52121333A (en) * 1976-04-06 1977-10-12 Kuratomi Tatsuro Focusing type optical fiber
DE2642949C3 (en) * 1976-09-24 1980-11-20 Philips Patentverwaltung Gmbh, 2000 Hamburg Process for the production of internally coated glass tubes for drawing optical fibers
FR2446264A1 (en) * 1979-01-10 1980-08-08 Quartz & Silice PROCESS FOR PREPARING A PREFORM FOR AN OPTICAL WAVEGUIDE
US4314837A (en) * 1979-03-01 1982-02-09 Corning Glass Works Reactant delivery system method
DE2929166A1 (en) * 1979-07-19 1981-01-29 Philips Patentverwaltung METHOD FOR THE PRODUCTION OF OPTICAL FIBERS
US4560247A (en) * 1983-07-01 1985-12-24 Quartz Et Silice Large bandwidth optical fibers
DE4237921A1 (en) * 1992-10-23 1994-04-28 Flachglas Ag Method and device for modifying the surface activity of a silicate glass substrate
KR100521957B1 (en) * 2003-07-11 2005-10-14 엘에스전선 주식회사 Outside Vapor Deposition Apparatus For Manufacturing Optical Fiber Preform and Method For Manufacturing Optical Fiber Preform Using The Same

Family Cites Families (15)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
BE438752A (en) * 1939-04-22
FR1287540A (en) * 1961-02-02 1962-03-16 Saint Gobain Further training in the manufacture of silica glass or silicic glasses
US3287161A (en) * 1962-10-01 1966-11-22 Xerox Corp Method for forming a thin film resistor
GB1181046A (en) * 1967-10-18 1970-02-11 Nippon Sheet Glass Co Ltd Glass Fiber having Metallic Coating
GB1279464A (en) * 1968-10-03 1972-06-28 Nippon Selfoc Co Ltd Production of light conducting glass fibres
GB1281209A (en) * 1968-10-19 1972-07-12 Nippon Selfoc Co Ltd Production of light-conducting glass structures
GB1223805A (en) * 1969-05-29 1971-03-03 Standard Telephones Cables Ltd Glass tube manufacture
US3711262A (en) * 1970-05-11 1973-01-16 Corning Glass Works Method of producing optical waveguide fibers
CA951555A (en) * 1970-05-11 1974-07-23 Robert D. Maurer Glass optical waveguide
DE2039239B2 (en) * 1970-08-07 1971-12-30 Jenaer Glaswerk Schott & Gen LIGHT-GUIDING GLASS ELEMENT WITH A ZONE FROM HIGHER BREAKING THE GLASS, AN ADJUSTING LOW-BREAKING GLASS ZONE AND A TRANSITIONAL AREA, CREATED BY ION DIFFUSION, WITH CONTINUOUS REFRAINING INDEX GRADIENTS AND MANUFACTURING OF GRADIENTS
CA981536A (en) * 1971-03-12 1976-01-13 Owens-Corning Fiberglas Corporation Method and apparatus for processing glass to fibers
US3826560A (en) * 1972-03-30 1974-07-30 Corning Glass Works Method of forming a light focusing fiber waveguide
US3823995A (en) * 1972-03-30 1974-07-16 Corning Glass Works Method of forming light focusing fiber waveguide
US3868170A (en) * 1972-03-30 1975-02-25 Corning Glass Works Method of removing entrapped gas and/or residual water from glass
GB1427327A (en) * 1972-06-08 1976-03-10 Standard Telephones Cables Ltd Glass optical fibres

Also Published As

Publication number Publication date
DE2362341B2 (en) 1975-10-09
FR2327557B1 (en) 1978-03-24
JPS4983453A (en) 1974-08-10
MY7900188A (en) 1979-12-31
FR2327557A1 (en) 1977-05-06
GB1459199A (en) 1976-12-22
NL7316896A (en) 1974-06-18
DE2362341A1 (en) 1974-07-04

Similar Documents

Publication Publication Date Title
JPS54151633A (en) Production of optical fiber
ZA739344B (en) Process for the production of alkoxides
CA1016390A (en) Meatlike fibers and processes
ZA739278B (en) Novel penicillins and their production
GB1405536A (en) Chlorothiazoles and a process for their production
CA1014788A (en) Meatlike fibers and processes
HK12079A (en) Optical fibres and processes for their production
IL43865A0 (en) Novel pyrazolodiazepines and their production
AU474504B2 (en) Optical fibres
AU3532671A (en) Inorganic fibres anda process for their production
MY7900116A (en) Process for the production of 6-piperazinyl-morphanthridinies and related triylcics
ZA735927B (en) Process of making fibers
CA1000892A (en) Textile fiber
CA981662A (en) 1-phenyl-3-hydroxy-3-methyl-triazenes and process for their production
ATA388573A (en) Apparatus for the production of a fibre nonwoven
GB1364361A (en) Optical filters
ZA737166B (en) Hollow fibres
ZA733277B (en) Antibiotic xk-62-2 and process for production thereof
AU5983173A (en) Process for making fibers
IL41332A0 (en) Fiber optic system
GB1403292A (en) Process for the manufacture of synthetic fibres
AU475717B2 (en) Manufacturing liquid-cored optical fibres
CA889934A (en) Process for producing acrylic synthetic fibers
CA906186A (en) Production of fibres or filaments
CA903247A (en) 1-formyl-2-halogen-azacycloalkenes and process for their production