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JPS5287045A - Production of optical fibers - Google Patents

Production of optical fibers

Info

Publication number
JPS5287045A
JPS5287045A JP280776A JP280776A JPS5287045A JP S5287045 A JPS5287045 A JP S5287045A JP 280776 A JP280776 A JP 280776A JP 280776 A JP280776 A JP 280776A JP S5287045 A JPS5287045 A JP S5287045A
Authority
JP
Japan
Prior art keywords
production
optical fibers
dopant
refractive index
diametral
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
JP280776A
Other languages
Japanese (ja)
Inventor
Toshio Katsuyama
Makoto Sato
Koji Ishida
Yasuo Suganuma
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.)
Hitachi Ltd
Original Assignee
Hitachi 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 Hitachi Ltd filed Critical Hitachi Ltd
Priority to JP280776A priority Critical patent/JPS5287045A/en
Publication of JPS5287045A publication Critical patent/JPS5287045A/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
    • C03B37/012—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
    • C03B37/01807—Reactant delivery systems, e.g. reactant deposition burners

Landscapes

  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Geochemistry & Mineralogy (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • General Chemical & Material Sciences (AREA)
  • General Life Sciences & Earth Sciences (AREA)
  • Chemical Kinetics & Catalysis (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)
  • Glass Compositions (AREA)

Abstract

PURPOSE:To make the diametral refractive index distribution of a glass film by vapor chemical reaction even, by using a source gas containing a dopant which increases the refractive index of molten quartz and a dopant which reduces the same.
JP280776A 1976-01-14 1976-01-14 Production of optical fibers Pending JPS5287045A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP280776A JPS5287045A (en) 1976-01-14 1976-01-14 Production of optical fibers

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP280776A JPS5287045A (en) 1976-01-14 1976-01-14 Production of optical fibers

Publications (1)

Publication Number Publication Date
JPS5287045A true JPS5287045A (en) 1977-07-20

Family

ID=11539646

Family Applications (1)

Application Number Title Priority Date Filing Date
JP280776A Pending JPS5287045A (en) 1976-01-14 1976-01-14 Production of optical fibers

Country Status (1)

Country Link
JP (1) JPS5287045A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH05247861A (en) * 1992-03-04 1993-09-24 Kinrei Eng:Kk Flier bow in wire twister

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS51106110A (en) * 1975-03-14 1976-09-20 Nippon Selfoc Co Ltd

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS51106110A (en) * 1975-03-14 1976-09-20 Nippon Selfoc Co Ltd

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH05247861A (en) * 1992-03-04 1993-09-24 Kinrei Eng:Kk Flier bow in wire twister

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