JPS636841B2 - - Google Patents

Info

Publication number
JPS636841B2
JPS636841B2 JP56045071A JP4507181A JPS636841B2 JP S636841 B2 JPS636841 B2 JP S636841B2 JP 56045071 A JP56045071 A JP 56045071A JP 4507181 A JP4507181 A JP 4507181A JP S636841 B2 JPS636841 B2 JP S636841B2
Authority
JP
Japan
Prior art keywords
core
optical path
polarization
refractive index
twisted
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
Application number
JP56045071A
Other languages
English (en)
Japanese (ja)
Other versions
JPS57158806A (en
Inventor
Junichi Sakai
Susumu Machida
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 JP56045071A priority Critical patent/JPS57158806A/ja
Publication of JPS57158806A publication Critical patent/JPS57158806A/ja
Publication of JPS636841B2 publication Critical patent/JPS636841B2/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
    • C03B37/10—Non-chemical treatment
    • C03B37/12—Non-chemical treatment of fibres or filaments during winding up
    • G—PHYSICS
    • G02—OPTICS
    • G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B6/00—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings
    • G02B6/10—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings of the optical waveguide type
    • G02B6/105—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings of the optical waveguide type having optical polarisation effects
    • 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
    • C03B2203/18—Axial perturbations, e.g. in refractive index or composition
    • C03B2203/20—Axial perturbations, e.g. in refractive index or composition helical
    • 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
    • C03B2203/302—Non-circular core cross-sections
    • C—CHEMISTRY; METALLURGY
    • C03—GLASS; MINERAL OR SLAG WOOL
    • C03B—MANUFACTURE, SHAPING, OR SUPPLEMENTARY PROCESSES
    • C03B2203/00—Fibre product details, e.g. structure, shape
    • C03B2203/36—Dispersion modified fibres, e.g. wavelength or polarisation shifted, flattened or compensating fibres (DSF, DFF, DCF)

Landscapes

  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Materials Engineering (AREA)
  • Manufacturing & Machinery (AREA)
  • Geochemistry & Mineralogy (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Organic Chemistry (AREA)
  • General Life Sciences & Earth Sciences (AREA)
  • General Physics & Mathematics (AREA)
  • Optics & Photonics (AREA)
  • Manufacture, Treatment Of Glass Fibers (AREA)
  • Optical Fibers, Optical Fiber Cores, And Optical Fiber Bundles (AREA)
JP56045071A 1981-03-27 1981-03-27 Twisting optical line Granted JPS57158806A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP56045071A JPS57158806A (en) 1981-03-27 1981-03-27 Twisting optical line

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP56045071A JPS57158806A (en) 1981-03-27 1981-03-27 Twisting optical line

Publications (2)

Publication Number Publication Date
JPS57158806A JPS57158806A (en) 1982-09-30
JPS636841B2 true JPS636841B2 (fr) 1988-02-12

Family

ID=12709105

Family Applications (1)

Application Number Title Priority Date Filing Date
JP56045071A Granted JPS57158806A (en) 1981-03-27 1981-03-27 Twisting optical line

Country Status (1)

Country Link
JP (1) JPS57158806A (fr)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH02179716A (ja) * 1988-12-29 1990-07-12 Hashimoto Forming Ind Co Ltd 自動車用昇降ウインドウの製造方法

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS59135402A (ja) * 1983-01-24 1984-08-03 Nippon Telegr & Teleph Corp <Ntt> 単一偏波光フアイバ
JPS60125821A (ja) * 1983-12-12 1985-07-05 Fujitsu Ltd 偏波角調整装置
AU670505B2 (en) * 1993-06-22 1996-07-18 Sumitomo Electric Industries, Ltd. Optical fiber preform, optical fiber and their manufacturing methods
EP1258751A4 (fr) 1999-11-08 2004-12-01 Sumitomo Electric Industries Fibre optique, son procede de fabrication et systeme de transmission optique la contenant
JP6646621B2 (ja) 2017-06-06 2020-02-14 タツタ電線株式会社 光ファイバカプラ
JP7308120B2 (ja) * 2017-06-06 2023-07-13 タツタ電線株式会社 光ファイバカプラ

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH02179716A (ja) * 1988-12-29 1990-07-12 Hashimoto Forming Ind Co Ltd 自動車用昇降ウインドウの製造方法

Also Published As

Publication number Publication date
JPS57158806A (en) 1982-09-30

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