JPS57158806A - Twisting optical line - Google Patents

Twisting optical line

Info

Publication number
JPS57158806A
JPS57158806A JP56045071A JP4507181A JPS57158806A JP S57158806 A JPS57158806 A JP S57158806A JP 56045071 A JP56045071 A JP 56045071A JP 4507181 A JP4507181 A JP 4507181A JP S57158806 A JPS57158806 A JP S57158806A
Authority
JP
Japan
Prior art keywords
lambda
line
optical line
twisting
preservability
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
JP56045071A
Other languages
English (en)
Japanese (ja)
Other versions
JPS636841B2 (fr
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

  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Physics & Mathematics (AREA)
  • Geochemistry & Mineralogy (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • General Life Sciences & Earth Sciences (AREA)
  • Optics & Photonics (AREA)
  • Manufacturing & Machinery (AREA)
  • General Physics & Mathematics (AREA)
  • Materials Engineering (AREA)
  • Organic Chemistry (AREA)
  • Optical Fibers, Optical Fiber Cores, And Optical Fiber Bundles (AREA)
  • Manufacture, Treatment Of Glass Fibers (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 true JPS57158806A (en) 1982-09-30
JPS636841B2 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 (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
EP0630865A1 (fr) * 1993-06-22 1994-12-28 Sumitomo Electric Industries, Limited Fibre optique et préforme et procédés pour leur fabrication
WO2001035132A1 (fr) * 1999-11-08 2001-05-17 Sumitomo Electric Industries, Ltd. Fibre optique, son procede de fabrication et systeme de transmission optique la contenant
JP2020021088A (ja) * 2017-06-06 2020-02-06 タツタ電線株式会社 光ファイバカプラ
US11275216B2 (en) 2017-06-06 2022-03-15 Tatsuta Electric Wire & Cable Co., Ltd. Optical fiber coupler

Families Citing this family (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

Cited By (9)

* 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
JPH0459612B2 (fr) * 1983-12-12 1992-09-22 Fujitsu Ltd
EP0630865A1 (fr) * 1993-06-22 1994-12-28 Sumitomo Electric Industries, Limited Fibre optique et préforme et procédés pour leur fabrication
WO2001035132A1 (fr) * 1999-11-08 2001-05-17 Sumitomo Electric Industries, Ltd. Fibre optique, son procede de fabrication et systeme de transmission optique la contenant
US6567597B2 (en) 1999-11-08 2003-05-20 Sumitomo Electric Industries, Ltd. Optical fiber, method of making the same, and optical transmission system including the same
JP4547848B2 (ja) * 1999-11-08 2010-09-22 住友電気工業株式会社 光ファイバ、その製造方法及びそれを含む光伝送システム
JP2020021088A (ja) * 2017-06-06 2020-02-06 タツタ電線株式会社 光ファイバカプラ
US11275216B2 (en) 2017-06-06 2022-03-15 Tatsuta Electric Wire & Cable Co., Ltd. Optical fiber coupler

Also Published As

Publication number Publication date
JPS636841B2 (fr) 1988-02-12

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