DE2440121A1 - Verfahren zur herstellung von optischen fasern - Google Patents

Verfahren zur herstellung von optischen fasern

Info

Publication number
DE2440121A1
DE2440121A1 DE2440121A DE2440121A DE2440121A1 DE 2440121 A1 DE2440121 A1 DE 2440121A1 DE 2440121 A DE2440121 A DE 2440121A DE 2440121 A DE2440121 A DE 2440121A DE 2440121 A1 DE2440121 A1 DE 2440121A1
Authority
DE
Germany
Prior art keywords
glass
low
core
viscosity
refractive index
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
DE2440121A
Other languages
German (de)
English (en)
Inventor
Susumu Horikawa
Kenji Nakagawa
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.)
Hoya Glass Works Ltd
Original Assignee
Hoya Glass Works 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 Hoya Glass Works Ltd filed Critical Hoya Glass Works Ltd
Publication of DE2440121A1 publication Critical patent/DE2440121A1/de
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
    • C03B2205/00—Fibre drawing or extruding details
    • C03B2205/08—Sub-atmospheric pressure applied, e.g. vacuum
    • 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)
  • Manufacture, Treatment Of Glass Fibers (AREA)
  • Surface Treatment Of Glass Fibres Or Filaments (AREA)
DE2440121A 1973-08-22 1974-08-21 Verfahren zur herstellung von optischen fasern Pending DE2440121A1 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP9418173A JPS5323166B2 (es) 1973-08-22 1973-08-22

Publications (1)

Publication Number Publication Date
DE2440121A1 true DE2440121A1 (de) 1975-03-27

Family

ID=14103143

Family Applications (1)

Application Number Title Priority Date Filing Date
DE2440121A Pending DE2440121A1 (de) 1973-08-22 1974-08-21 Verfahren zur herstellung von optischen fasern

Country Status (2)

Country Link
JP (1) JPS5323166B2 (es)
DE (1) DE2440121A1 (es)

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2510545A1 (fr) * 1980-08-28 1983-02-04 Dainichi Nippon Cables Ltd Procede de preparation d'une fibre optique multiple
US4372767A (en) * 1981-10-19 1983-02-08 Eotec Corporation Method of manufacturing optical fibers
EP0082517A1 (en) * 1981-12-22 1983-06-29 CSELT Centro Studi e Laboratori Telecomunicazioni S.p.A. Apparatus and process for the fabrication of optical fibres
FR2571714A1 (fr) * 1984-10-15 1986-04-18 Comp Generale Electricite Dispositif pour realiser une fibre optique apte a conduire un rayonnement infrarouge
EP2689710A4 (en) * 2011-12-19 2015-04-29 Olympus Corp METHOD FOR PRODUCING GLASS FIBERS, FIBER AND ENDOSCOPE

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5313932A (en) * 1976-07-26 1978-02-08 Nippon Telegr & Teleph Corp <Ntt> Manufacture of optical fiber material
JPS5742294U (es) * 1980-08-22 1982-03-08
JPH01150728A (ja) * 1987-12-07 1989-06-13 Daikin Ind Ltd 空気調和装置

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3253896A (en) * 1960-02-02 1966-05-31 American Optical Corp Method of making glass clad energyconducting fibers

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2510545A1 (fr) * 1980-08-28 1983-02-04 Dainichi Nippon Cables Ltd Procede de preparation d'une fibre optique multiple
US4372767A (en) * 1981-10-19 1983-02-08 Eotec Corporation Method of manufacturing optical fibers
EP0082517A1 (en) * 1981-12-22 1983-06-29 CSELT Centro Studi e Laboratori Telecomunicazioni S.p.A. Apparatus and process for the fabrication of optical fibres
FR2571714A1 (fr) * 1984-10-15 1986-04-18 Comp Generale Electricite Dispositif pour realiser une fibre optique apte a conduire un rayonnement infrarouge
EP2689710A4 (en) * 2011-12-19 2015-04-29 Olympus Corp METHOD FOR PRODUCING GLASS FIBERS, FIBER AND ENDOSCOPE

Also Published As

Publication number Publication date
JPS5323166B2 (es) 1978-07-13
JPS5044841A (es) 1975-04-22

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