JPS55144433A - Producing optical fiber matrix - Google Patents

Producing optical fiber matrix

Info

Publication number
JPS55144433A
JPS55144433A JP5103779A JP5103779A JPS55144433A JP S55144433 A JPS55144433 A JP S55144433A JP 5103779 A JP5103779 A JP 5103779A JP 5103779 A JP5103779 A JP 5103779A JP S55144433 A JPS55144433 A JP S55144433A
Authority
JP
Japan
Prior art keywords
gas
optical fiber
refractive index
raw material
index distribution
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
JP5103779A
Other languages
Japanese (ja)
Other versions
JPS5913452B2 (en
Inventor
Takao Edahiro
Toru Kuwabara
Kunio Fujiwara
Gotaro Tanaka
Naoki Yoshioka
Tsunehisa Kyodo
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 JP5103779A priority Critical patent/JPS5913452B2/en
Publication of JPS55144433A publication Critical patent/JPS55144433A/en
Publication of JPS5913452B2 publication Critical patent/JPS5913452B2/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
    • C03B37/012—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]
    • C03B37/01413—Reactant delivery systems
    • C03B37/0142—Reactant deposition burners
    • C—CHEMISTRY; METALLURGY
    • C03—GLASS; MINERAL OR SLAG WOOL
    • C03B—MANUFACTURE, SHAPING, OR SUPPLEMENTARY PROCESSES
    • C03B2207/00—Glass deposition burners
    • C03B2207/04—Multi-nested ports
    • C03B2207/06—Concentric circular ports
    • C—CHEMISTRY; METALLURGY
    • C03—GLASS; MINERAL OR SLAG WOOL
    • C03B—MANUFACTURE, SHAPING, OR SUPPLEMENTARY PROCESSES
    • C03B2207/00—Glass deposition burners
    • C03B2207/20—Specific substances in specified ports, e.g. all gas flows specified
    • C—CHEMISTRY; METALLURGY
    • C03—GLASS; MINERAL OR SLAG WOOL
    • C03B—MANUFACTURE, SHAPING, OR SUPPLEMENTARY PROCESSES
    • C03B2207/00—Glass deposition burners
    • C03B2207/36—Fuel or oxidant details, e.g. flow rate, flow rate ratio, fuel additives
    • C—CHEMISTRY; METALLURGY
    • C03—GLASS; MINERAL OR SLAG WOOL
    • C03B—MANUFACTURE, SHAPING, OR SUPPLEMENTARY PROCESSES
    • C03B2207/00—Glass deposition burners
    • C03B2207/70—Control measures

Abstract

PURPOSE:To effect high-speed and stable production of title matrix having specific refractive index distribution by a method wherein H2 flow rate is specifically controlled in production of optical fiber matrix by flowing various mixed gas of glass raw material and H2, etc. from plural nozzles. CONSTITUTION:From the center of five-layer coaxial burner 1, glass raw material 21 such as SiCl4 and H2 gas 22, glass raw material 23 such as GeCl4 and H2 gas 24, innert gas 25, H2 gas 26, and O2 gas 27 is flowed out. The gas undergoes hydrolysis and oxidation reaction to allow glass particles 3 to be stacked onto the starting material 4 which is rotating so that optical fiber base material 5 is produced. At this time, H2 gas flows 24 and 26 are changed and the flow rate of H2 gas 22 is controlled in the range of 50-300cc/min. This controls the particles body 5 in refractive index distribution and results in a high-speed stable production of optical fiber matrix 5 having a specified refractive index distribution.
JP5103779A 1979-04-24 1979-04-24 Method for manufacturing optical fiber base material Expired JPS5913452B2 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP5103779A JPS5913452B2 (en) 1979-04-24 1979-04-24 Method for manufacturing optical fiber base material

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP5103779A JPS5913452B2 (en) 1979-04-24 1979-04-24 Method for manufacturing optical fiber base material

Publications (2)

Publication Number Publication Date
JPS55144433A true JPS55144433A (en) 1980-11-11
JPS5913452B2 JPS5913452B2 (en) 1984-03-29

Family

ID=12875595

Family Applications (1)

Application Number Title Priority Date Filing Date
JP5103779A Expired JPS5913452B2 (en) 1979-04-24 1979-04-24 Method for manufacturing optical fiber base material

Country Status (1)

Country Link
JP (1) JPS5913452B2 (en)

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5912313U (en) * 1982-07-16 1984-01-25 志田　行雄 construction block with legs
EP0755900A1 (en) * 1995-07-27 1997-01-29 Heraeus Quarzglas GmbH Process and apparatus for producing a quartz glass preform by vapour phase deposition
EP1216967A1 (en) * 2000-12-19 2002-06-26 PIRELLI CAVI E SISTEMI S.p.A. Method for manufacturing a glass optical fibre preform by vapour deposition
EP1300369A2 (en) * 2001-10-08 2003-04-09 Schott Glas Apparatus for producing quartz glass articles of uniform refractive index

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS63171350U (en) * 1987-04-30 1988-11-08

Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5912313U (en) * 1982-07-16 1984-01-25 志田　行雄 construction block with legs
EP0755900A1 (en) * 1995-07-27 1997-01-29 Heraeus Quarzglas GmbH Process and apparatus for producing a quartz glass preform by vapour phase deposition
US5788730A (en) * 1995-07-27 1998-08-04 Heraeus Quarzglas Gmbh Process and apparatus for the production of a quartz glass blank
EP1216967A1 (en) * 2000-12-19 2002-06-26 PIRELLI CAVI E SISTEMI S.p.A. Method for manufacturing a glass optical fibre preform by vapour deposition
EP1300369A2 (en) * 2001-10-08 2003-04-09 Schott Glas Apparatus for producing quartz glass articles of uniform refractive index
EP1300369A3 (en) * 2001-10-08 2004-08-11 Schott Glas Apparatus for producing quartz glass articles of uniform refractive index

Also Published As

Publication number Publication date
JPS5913452B2 (en) 1984-03-29

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