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JPS54134133A - Manufacture of light transmitting glass fibers - Google Patents

Manufacture of light transmitting glass fibers

Info

Publication number
JPS54134133A
JPS54134133A JP4164178A JP4164178A JPS54134133A JP S54134133 A JPS54134133 A JP S54134133A JP 4164178 A JP4164178 A JP 4164178A JP 4164178 A JP4164178 A JP 4164178A JP S54134133 A JPS54134133 A JP S54134133A
Authority
JP
Japan
Prior art keywords
cladding
refractive index
burner
core
constant
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
JP4164178A
Other languages
Japanese (ja)
Other versions
JPS5631291B2 (en
Inventor
Takao Edahiro
Yuichi Masuda
Toru Kuwabara
Yuji Kameo
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.)
Nippon Telegraph and Telephone Corp
Sumitomo Electric Industries Ltd
Original Assignee
Nippon Telegraph and Telephone Corp
Sumitomo Electric Industries 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 Nippon Telegraph and Telephone Corp, Sumitomo Electric Industries Ltd filed Critical Nippon Telegraph and Telephone Corp
Priority to JP4164178A priority Critical patent/JPS54134133A/en
Publication of JPS54134133A publication Critical patent/JPS54134133A/en
Publication of JPS5631291B2 publication Critical patent/JPS5631291B2/ja
Granted 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]

Landscapes

  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • General 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)

Abstract

PURPOSE:To obtain a preform having a uniform refractive index outside the core, by laminating fine glass particles for cladding with a constant dopant concentration on a cylindrical material of fine glass particles. CONSTITUTION:Fine glass particles for cladding are fed from the concentric multipipe burner 10 to the side of a glass particle cylinder with an almost parabola distribution of refractive index for core and laminated in a layer of constant thickness. The raw gas for cladding glass with a uniform concentration of dopant is fed to the burner 10. The seed rod 7 is lifted at such a speed as to make the distance between the burner 1 and the cylinder 8 constant. The refractive index distribution of the core is very nearly the parabola, and the graded index-type fiber comprising the cladding 17 of uniform refractive index can be obtained.
JP4164178A 1978-04-07 1978-04-07 Manufacture of light transmitting glass fibers Granted JPS54134133A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP4164178A JPS54134133A (en) 1978-04-07 1978-04-07 Manufacture of light transmitting glass fibers

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP4164178A JPS54134133A (en) 1978-04-07 1978-04-07 Manufacture of light transmitting glass fibers

Publications (2)

Publication Number Publication Date
JPS54134133A true JPS54134133A (en) 1979-10-18
JPS5631291B2 JPS5631291B2 (en) 1981-07-20

Family

ID=12613950

Family Applications (1)

Application Number Title Priority Date Filing Date
JP4164178A Granted JPS54134133A (en) 1978-04-07 1978-04-07 Manufacture of light transmitting glass fibers

Country Status (1)

Country Link
JP (1) JPS54134133A (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS57209844A (en) * 1981-06-18 1982-12-23 Nippon Telegr & Teleph Corp <Ntt> Manufacture of optical fiber
US4367085A (en) * 1980-01-07 1983-01-04 Nippon Telegraph & Telephone Public Corporation Method of fabricating multi-mode optical fiber preforms

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS57179099U (en) * 1981-05-08 1982-11-12
JPS6069999U (en) * 1983-10-21 1985-05-17 大同特殊鋼株式会社 Steelmaking raw material preheating device

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4367085A (en) * 1980-01-07 1983-01-04 Nippon Telegraph & Telephone Public Corporation Method of fabricating multi-mode optical fiber preforms
JPS57209844A (en) * 1981-06-18 1982-12-23 Nippon Telegr & Teleph Corp <Ntt> Manufacture of optical fiber
JPH0225853B2 (en) * 1981-06-18 1990-06-06 Nippon Denshin Denwa Kk

Also Published As

Publication number Publication date
JPS5631291B2 (en) 1981-07-20

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