JPS53119056A - Production of optical fibers - Google Patents

Production of optical fibers

Info

Publication number
JPS53119056A
JPS53119056A JP3416277A JP3416277A JPS53119056A JP S53119056 A JPS53119056 A JP S53119056A JP 3416277 A JP3416277 A JP 3416277A JP 3416277 A JP3416277 A JP 3416277A JP S53119056 A JPS53119056 A JP S53119056A
Authority
JP
Japan
Prior art keywords
rod
production
optical fibers
layer
clad
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.)
Pending
Application number
JP3416277A
Other languages
Japanese (ja)
Inventor
Toshiaki Kuroba
Seiji Shibuya
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 JP3416277A priority Critical patent/JPS53119056A/en
Publication of JPS53119056A publication Critical patent/JPS53119056A/en
Pending 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
    • C03B37/02754—Solid fibres drawn from hollow preforms
    • 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
    • C03B37/01205—Manufacture of preforms for drawing fibres or filaments starting from tubes, rods, fibres or filaments
    • C03B37/01211—Manufacture of preforms for drawing fibres or filaments starting from tubes, rods, fibres or filaments by inserting one or more rods or tubes into a tube
    • 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
    • C03B2205/14—Drawing solid optical fibre directly from a hollow preform comprising collapse of an outer tube onto an inner central solid preform rod
    • 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

  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • General Life Sciences & Earth Sciences (AREA)
  • Geochemistry & Mineralogy (AREA)
  • Manufacturing & Machinery (AREA)
  • Materials Engineering (AREA)
  • Organic Chemistry (AREA)
  • Optical Fibers, Optical Fiber Cores, And Optical Fiber Bundles (AREA)
  • Manufacture, Treatment Of Glass Fibers (AREA)

Abstract

PURPOSE:To obtain a good-quality step-index type optical fiber of small scattering loss between core layer and clad layer by inserting a double layered rod comprising provision of a layer for clad on the outside of a rod for core in a tube for support and spinning the rod.
JP3416277A 1977-03-28 1977-03-28 Production of optical fibers Pending JPS53119056A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP3416277A JPS53119056A (en) 1977-03-28 1977-03-28 Production of optical fibers

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP3416277A JPS53119056A (en) 1977-03-28 1977-03-28 Production of optical fibers

Publications (1)

Publication Number Publication Date
JPS53119056A true JPS53119056A (en) 1978-10-18

Family

ID=12406498

Family Applications (1)

Application Number Title Priority Date Filing Date
JP3416277A Pending JPS53119056A (en) 1977-03-28 1977-03-28 Production of optical fibers

Country Status (1)

Country Link
JP (1) JPS53119056A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5820740A (en) * 1981-07-21 1983-02-07 ヘレウス・クアルツシユメルツエ・ゲゼルシヤフト・ミツト・ベシユレンクタ−・ハフツング Quartz glass covering tube

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5820740A (en) * 1981-07-21 1983-02-07 ヘレウス・クアルツシユメルツエ・ゲゼルシヤフト・ミツト・ベシユレンクタ−・ハフツング Quartz glass covering tube
JPH024541B2 (en) * 1981-07-21 1990-01-29 Hereusu Kuarutsushumerutsue Gmbh

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