JPS5360648A - Preparation of optical transmission fiber - Google Patents

Preparation of optical transmission fiber

Info

Publication number
JPS5360648A
JPS5360648A JP13613776A JP13613776A JPS5360648A JP S5360648 A JPS5360648 A JP S5360648A JP 13613776 A JP13613776 A JP 13613776A JP 13613776 A JP13613776 A JP 13613776A JP S5360648 A JPS5360648 A JP S5360648A
Authority
JP
Japan
Prior art keywords
preparation
optical transmission
transmission fiber
coloration
prevent
Prior art date
Legal status (The legal status 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 status listed.)
Granted
Application number
JP13613776A
Other languages
Japanese (ja)
Other versions
JPS596258B2 (en
Inventor
Kazuaki Yoshida
Shintaro Izutsui
Toshiaki Kuroba
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Furukawa Electric Co Ltd
Original Assignee
Furukawa Electric Co Ltd
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 Furukawa Electric Co Ltd filed Critical Furukawa Electric Co Ltd
Priority to JP13613776A priority Critical patent/JPS596258B2/en
Publication of JPS5360648A publication Critical patent/JPS5360648A/en
Publication of JPS596258B2 publication Critical patent/JPS596258B2/en
Expired legal-status Critical Current

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
    • C03B37/02—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
    • 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

Landscapes

  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • General Life Sciences & Earth Sciences (AREA)
  • Geochemistry & Mineralogy (AREA)
  • Manufacturing & Machinery (AREA)
  • Materials Engineering (AREA)
  • Organic Chemistry (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • General Chemical & Material Sciences (AREA)
  • Manufacture, Treatment Of Glass Fibers (AREA)

Abstract

PURPOSE:To prevent diffusion of OH groups and also to prevent formation of coloration by forming pure quartz layer formed by CVD method and thin clad layer so as to have a specific diameter ratio.
JP13613776A 1976-11-12 1976-11-12 Method for manufacturing optical transmission fiber Expired JPS596258B2 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP13613776A JPS596258B2 (en) 1976-11-12 1976-11-12 Method for manufacturing optical transmission fiber

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP13613776A JPS596258B2 (en) 1976-11-12 1976-11-12 Method for manufacturing optical transmission fiber

Publications (2)

Publication Number Publication Date
JPS5360648A true JPS5360648A (en) 1978-05-31
JPS596258B2 JPS596258B2 (en) 1984-02-09

Family

ID=15168162

Family Applications (1)

Application Number Title Priority Date Filing Date
JP13613776A Expired JPS596258B2 (en) 1976-11-12 1976-11-12 Method for manufacturing optical transmission fiber

Country Status (1)

Country Link
JP (1) JPS596258B2 (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5413350A (en) * 1977-07-02 1979-01-31 Fujikura Ltd Production of optical fiber
JPS55109238A (en) * 1979-02-08 1980-08-22 Nippon Telegr & Teleph Corp <Ntt> Production of base material for optical fiber

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS60253316A (en) * 1984-05-30 1985-12-14 Toshiba Corp Voltage-to-frequency converting circuit for n-root output

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5413350A (en) * 1977-07-02 1979-01-31 Fujikura Ltd Production of optical fiber
JPS5731537B2 (en) * 1977-07-02 1982-07-05
JPS55109238A (en) * 1979-02-08 1980-08-22 Nippon Telegr & Teleph Corp <Ntt> Production of base material for optical fiber

Also Published As

Publication number Publication date
JPS596258B2 (en) 1984-02-09

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