JPH024538B2 - - Google Patents

Info

Publication number
JPH024538B2
JPH024538B2 JP57025393A JP2539382A JPH024538B2 JP H024538 B2 JPH024538 B2 JP H024538B2 JP 57025393 A JP57025393 A JP 57025393A JP 2539382 A JP2539382 A JP 2539382A JP H024538 B2 JPH024538 B2 JP H024538B2
Authority
JP
Japan
Prior art keywords
refractive index
core part
index groove
cladding
core
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
JP57025393A
Other languages
English (en)
Japanese (ja)
Other versions
JPS58145631A (ja
Inventor
Masanobu Shimizu
Tsunehisa Takabayashi
Seiji Shibuya
Tsugio Sato
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 JP57025393A priority Critical patent/JPS58145631A/ja
Publication of JPS58145631A publication Critical patent/JPS58145631A/ja
Publication of JPH024538B2 publication Critical patent/JPH024538B2/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
    • C03B2203/10—Internal structure or shape details
    • C03B2203/14—Non-solid, i.e. hollow products, e.g. hollow clad or with core-clad interface
    • 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)
  • Manufacture, Treatment Of Glass Fibers (AREA)
JP57025393A 1982-02-19 1982-02-19 非対称屈折率溝を有する単一偏波光フアイバ母材の製造方法 Granted JPS58145631A (ja)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP57025393A JPS58145631A (ja) 1982-02-19 1982-02-19 非対称屈折率溝を有する単一偏波光フアイバ母材の製造方法

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP57025393A JPS58145631A (ja) 1982-02-19 1982-02-19 非対称屈折率溝を有する単一偏波光フアイバ母材の製造方法

Publications (2)

Publication Number Publication Date
JPS58145631A JPS58145631A (ja) 1983-08-30
JPH024538B2 true JPH024538B2 (enExample) 1990-01-29

Family

ID=12164638

Family Applications (1)

Application Number Title Priority Date Filing Date
JP57025393A Granted JPS58145631A (ja) 1982-02-19 1982-02-19 非対称屈折率溝を有する単一偏波光フアイバ母材の製造方法

Country Status (1)

Country Link
JP (1) JPS58145631A (enExample)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4561871A (en) * 1983-12-27 1985-12-31 Corning Glass Works Method of making polarization preserving optical fiber
JPH0646245B2 (ja) * 1986-08-11 1994-06-15 日本電信電話株式会社 応力解放用溝付単一モード光導波路
JPS6333710A (ja) * 1986-07-28 1988-02-13 Nippon Telegr & Teleph Corp <Ntt> 応力付与部付石英系光導波路
JP2002296438A (ja) * 2001-03-29 2002-10-09 Fujikura Ltd 偏波保持光ファイバおよびその母材の製造方法

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS58110439A (ja) * 1981-12-22 1983-07-01 Hitachi Cable Ltd 定偏波光フアイバの製造法

Also Published As

Publication number Publication date
JPS58145631A (ja) 1983-08-30

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