JPH024539B2 - - Google Patents

Info

Publication number
JPH024539B2
JPH024539B2 JP57076347A JP7634782A JPH024539B2 JP H024539 B2 JPH024539 B2 JP H024539B2 JP 57076347 A JP57076347 A JP 57076347A JP 7634782 A JP7634782 A JP 7634782A JP H024539 B2 JPH024539 B2 JP H024539B2
Authority
JP
Japan
Prior art keywords
rod
glass
optical fiber
glass rod
preform
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.)
Expired - Lifetime
Application number
JP57076347A
Other languages
English (en)
Japanese (ja)
Other versions
JPS58194752A (ja
Inventor
Kunio Ogura
Kazuaki Yoshida
Yasuro Furui
Tamotsu Kamya
Takeyuki Kikuchi
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.)
Furukawa Electric Co Ltd
Original Assignee
Furukawa Electric Co 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 Furukawa Electric Co Ltd filed Critical Furukawa Electric Co Ltd
Priority to JP57076347A priority Critical patent/JPS58194752A/ja
Publication of JPS58194752A publication Critical patent/JPS58194752A/ja
Publication of JPH024539B2 publication Critical patent/JPH024539B2/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
    • C03B37/01225—Means for changing or stabilising the shape, e.g. diameter, of tubes or rods in general, e.g. collapsing
    • C03B37/0124—Means for reducing the diameter of rods or tubes by drawing, e.g. for preform draw-down
    • C—CHEMISTRY; METALLURGY
    • C03—GLASS; MINERAL OR SLAG WOOL
    • C03B—MANUFACTURE, SHAPING, OR SUPPLEMENTARY PROCESSES
    • C03B2203/00—Fibre product details, e.g. structure, shape
    • C03B2203/10—Internal structure or shape details
    • C03B2203/12—Non-circular or non-elliptical cross-section, e.g. planar core
    • 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

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)
  • Optical Fibers, Optical Fiber Cores, And Optical Fiber Bundles (AREA)
  • Glass Melting And Manufacturing (AREA)
  • Manufacture, Treatment Of Glass Fibers (AREA)
JP57076347A 1982-05-07 1982-05-07 単一偏波光フアイバ用プリフオ−ムロツドの製造方法 Granted JPS58194752A (ja)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP57076347A JPS58194752A (ja) 1982-05-07 1982-05-07 単一偏波光フアイバ用プリフオ−ムロツドの製造方法

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP57076347A JPS58194752A (ja) 1982-05-07 1982-05-07 単一偏波光フアイバ用プリフオ−ムロツドの製造方法

Publications (2)

Publication Number Publication Date
JPS58194752A JPS58194752A (ja) 1983-11-12
JPH024539B2 true JPH024539B2 (OSRAM) 1990-01-29

Family

ID=13602818

Family Applications (1)

Application Number Title Priority Date Filing Date
JP57076347A Granted JPS58194752A (ja) 1982-05-07 1982-05-07 単一偏波光フアイバ用プリフオ−ムロツドの製造方法

Country Status (1)

Country Link
JP (1) JPS58194752A (OSRAM)

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS57188426A (en) * 1981-05-15 1982-11-19 Fujitsu Ltd Manufacture of optical fiber

Also Published As

Publication number Publication date
JPS58194752A (ja) 1983-11-12

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