JPS5782133A - Preparation of single mode optical fiber of axis unsymmetry - Google Patents

Preparation of single mode optical fiber of axis unsymmetry

Info

Publication number
JPS5782133A
JPS5782133A JP55157564A JP15756480A JPS5782133A JP S5782133 A JPS5782133 A JP S5782133A JP 55157564 A JP55157564 A JP 55157564A JP 15756480 A JP15756480 A JP 15756480A JP S5782133 A JPS5782133 A JP S5782133A
Authority
JP
Japan
Prior art keywords
gas
torch
matrix
optical fiber
sicl4
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
JP55157564A
Other languages
English (en)
Other versions
JPS6220140B2 (ja
Inventor
Takao Edahiro
Yutaka Sasaki
Tetsuo Miya
Katsunari Okamoto
Toshito Hosaka
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
Original Assignee
Nippon Telegraph and Telephone Corp
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 filed Critical Nippon Telegraph and Telephone Corp
Priority to JP55157564A priority Critical patent/JPS5782133A/ja
Publication of JPS5782133A publication Critical patent/JPS5782133A/ja
Publication of JPS6220140B2 publication Critical patent/JPS6220140B2/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]
    • 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
    • C03B2203/00—Fibre product details, e.g. structure, shape
    • C03B2203/30—Polarisation maintaining [PM], i.e. birefringent products, e.g. with elliptical core, by use of stress rods, "PANDA" type fibres
    • 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
    • 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
    • C03B2207/04—Multi-nested ports
    • C03B2207/16—Non-circular ports, e.g. square or oval
    • C—CHEMISTRY; METALLURGY
    • C03—GLASS; MINERAL OR SLAG WOOL
    • C03B—MANUFACTURE, SHAPING, OR SUPPLEMENTARY PROCESSES
    • C03B2207/00—Glass deposition burners
    • C03B2207/50—Multiple burner arrangements

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)
JP55157564A 1980-11-11 1980-11-11 Preparation of single mode optical fiber of axis unsymmetry Granted JPS5782133A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP55157564A JPS5782133A (en) 1980-11-11 1980-11-11 Preparation of single mode optical fiber of axis unsymmetry

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP55157564A JPS5782133A (en) 1980-11-11 1980-11-11 Preparation of single mode optical fiber of axis unsymmetry

Publications (2)

Publication Number Publication Date
JPS5782133A true JPS5782133A (en) 1982-05-22
JPS6220140B2 JPS6220140B2 (ja) 1987-05-06

Family

ID=15652431

Family Applications (1)

Application Number Title Priority Date Filing Date
JP55157564A Granted JPS5782133A (en) 1980-11-11 1980-11-11 Preparation of single mode optical fiber of axis unsymmetry

Country Status (1)

Country Link
JP (1) JPS5782133A (ja)

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5717440A (en) * 1980-07-07 1982-01-29 Nippon Telegr & Teleph Corp <Ntt> Manufacture of porous glass base material for single- polarization single-mode optical fiber

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5717440A (en) * 1980-07-07 1982-01-29 Nippon Telegr & Teleph Corp <Ntt> Manufacture of porous glass base material for single- polarization single-mode optical fiber

Also Published As

Publication number Publication date
JPS6220140B2 (ja) 1987-05-06

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