JPS553382A - Production of light transmission line - Google Patents

Production of light transmission line

Info

Publication number
JPS553382A
JPS553382A JP5735179A JP5735179A JPS553382A JP S553382 A JPS553382 A JP S553382A JP 5735179 A JP5735179 A JP 5735179A JP 5735179 A JP5735179 A JP 5735179A JP S553382 A JPS553382 A JP S553382A
Authority
JP
Japan
Prior art keywords
core
pipe
refractive index
transmission line
light transmission
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
JP5735179A
Other languages
Japanese (ja)
Other versions
JPS5728368B2 (en
Inventor
Masao Hoshikawa
Kozo Yoshimura
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.)
Sumitomo Electric Industries Ltd
Original Assignee
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 Sumitomo Electric Industries Ltd filed Critical Sumitomo Electric Industries Ltd
Priority to JP5735179A priority Critical patent/JPS553382A/en
Publication of JPS553382A publication Critical patent/JPS553382A/en
Publication of JPS5728368B2 publication Critical patent/JPS5728368B2/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
    • C03B37/01205—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

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)

Abstract

PURPOSE:To obtain a low loss light transmission line escapable from radiating loss due to ununiformity of the boundary layer, etc. by forming a molten silica film contg. a specified doping agent inside a molten silica pipe and by putting a glass rod core into the pipe followed by melt spinning. CONSTITUTION:Ultra-transparent high purity quartz glass rod core 1 is prepared. The inside of glass pipe 2' is polished optically, and a molten silica film contg. a doping agent is uniformly adhered to the polished inside by a vapor phase reaction method providing a desired refractive index in the radius direction. The doping agent is suitably selected from common doping agents. Core 1 is coaxially put into pipe 2', the refractive index of the inside of refractive index boundary layer 4' is made about equal to that of core 1, and the refractive index of the outside of layer 4' is continuously succeeded by that of cladding 2'. Core 1 and pipe 2' are then melt-spinned with a burner to obtain a light transmission line with little radiating loss due to ununiformity of the boundary layer between the cylindrical core and glass layer.
JP5735179A 1979-05-10 1979-05-10 Production of light transmission line Granted JPS553382A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP5735179A JPS553382A (en) 1979-05-10 1979-05-10 Production of light transmission line

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP5735179A JPS553382A (en) 1979-05-10 1979-05-10 Production of light transmission line

Related Parent Applications (1)

Application Number Title Priority Date Filing Date
JP5574472A Division JPS5627843B2 (en) 1972-06-05 1972-06-05

Publications (2)

Publication Number Publication Date
JPS553382A true JPS553382A (en) 1980-01-11
JPS5728368B2 JPS5728368B2 (en) 1982-06-16

Family

ID=13053148

Family Applications (1)

Application Number Title Priority Date Filing Date
JP5735179A Granted JPS553382A (en) 1979-05-10 1979-05-10 Production of light transmission line

Country Status (1)

Country Link
JP (1) JPS553382A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP1061054A1 (en) * 1999-06-18 2000-12-20 Lucent Technologies Inc. Method of making optical fiber by a rod-in tube process and fiber made by the method

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP1061054A1 (en) * 1999-06-18 2000-12-20 Lucent Technologies Inc. Method of making optical fiber by a rod-in tube process and fiber made by the method

Also Published As

Publication number Publication date
JPS5728368B2 (en) 1982-06-16

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