JPS57196728A - Manufacture of base material for optical fiber - Google Patents

Manufacture of base material for optical fiber

Info

Publication number
JPS57196728A
JPS57196728A JP56081049A JP8104981A JPS57196728A JP S57196728 A JPS57196728 A JP S57196728A JP 56081049 A JP56081049 A JP 56081049A JP 8104981 A JP8104981 A JP 8104981A JP S57196728 A JPS57196728 A JP S57196728A
Authority
JP
Japan
Prior art keywords
pipe
optical fiber
base material
ellipsoidal
clad
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
JP56081049A
Other languages
English (en)
Japanese (ja)
Other versions
JPS6150887B2 (enrdf_load_stackoverflow
Inventor
Koji Ishida
Hiroyoshi Matsumura
Toshio Katsuyama
Yasuo Suganuma
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.)
Hitachi Ltd
Original Assignee
Hitachi 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 Hitachi Ltd filed Critical Hitachi Ltd
Priority to JP56081049A priority Critical patent/JPS57196728A/ja
Publication of JPS57196728A publication Critical patent/JPS57196728A/ja
Publication of JPS6150887B2 publication Critical patent/JPS6150887B2/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
    • C03B37/01217—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 for making preforms of polarisation-maintaining optical fibres
    • 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
    • C03B2203/00—Fibre product details, e.g. structure, shape
    • C03B2203/34—Plural core other than bundles, e.g. double core

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)
JP56081049A 1981-05-29 1981-05-29 Manufacture of base material for optical fiber Granted JPS57196728A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP56081049A JPS57196728A (en) 1981-05-29 1981-05-29 Manufacture of base material for optical fiber

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP56081049A JPS57196728A (en) 1981-05-29 1981-05-29 Manufacture of base material for optical fiber

Publications (2)

Publication Number Publication Date
JPS57196728A true JPS57196728A (en) 1982-12-02
JPS6150887B2 JPS6150887B2 (enrdf_load_stackoverflow) 1986-11-06

Family

ID=13735551

Family Applications (1)

Application Number Title Priority Date Filing Date
JP56081049A Granted JPS57196728A (en) 1981-05-29 1981-05-29 Manufacture of base material for optical fiber

Country Status (1)

Country Link
JP (1) JPS57196728A (enrdf_load_stackoverflow)

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5924967U (ja) * 1982-08-06 1984-02-16 日産自動車株式会社 デイ−ゼルエンジン用燃料濾過装置
JPS5926349U (ja) * 1982-08-12 1984-02-18 日本電気株式会社 プリンタ
JPS5927158U (ja) * 1982-08-12 1984-02-20 三菱電機株式会社 機関点火用配電器
JPS5929888U (ja) * 1982-08-20 1984-02-24 三洋電機株式会社 テ−プレコ−ダ−の携帯兼ステレオスピ−カ装置
JPS607406A (ja) * 1983-06-27 1985-01-16 Fujikura Ltd 単偏波デユアルコア単一モ−ド光フアイバ

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5924967U (ja) * 1982-08-06 1984-02-16 日産自動車株式会社 デイ−ゼルエンジン用燃料濾過装置
JPS5926349U (ja) * 1982-08-12 1984-02-18 日本電気株式会社 プリンタ
JPS5927158U (ja) * 1982-08-12 1984-02-20 三菱電機株式会社 機関点火用配電器
JPS5929888U (ja) * 1982-08-20 1984-02-24 三洋電機株式会社 テ−プレコ−ダ−の携帯兼ステレオスピ−カ装置
JPS607406A (ja) * 1983-06-27 1985-01-16 Fujikura Ltd 単偏波デユアルコア単一モ−ド光フアイバ

Also Published As

Publication number Publication date
JPS6150887B2 (enrdf_load_stackoverflow) 1986-11-06

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