JPH0211532B2 - - Google Patents

Info

Publication number
JPH0211532B2
JPH0211532B2 JP56117119A JP11711981A JPH0211532B2 JP H0211532 B2 JPH0211532 B2 JP H0211532B2 JP 56117119 A JP56117119 A JP 56117119A JP 11711981 A JP11711981 A JP 11711981A JP H0211532 B2 JPH0211532 B2 JP H0211532B2
Authority
JP
Japan
Prior art keywords
fiber
optical fiber
polarized light
circularly polarized
base material
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
JP56117119A
Other languages
English (en)
Japanese (ja)
Other versions
JPS5820746A (ja
Inventor
Yutaka Sasaki
Tetsuo Mya
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 JP56117119A priority Critical patent/JPS5820746A/ja
Publication of JPS5820746A publication Critical patent/JPS5820746A/ja
Publication of JPH0211532B2 publication Critical patent/JPH0211532B2/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
    • C03B37/02—Manufacture of glass fibres or filaments by drawing or extruding, e.g. direct drawing of molten glass from nozzles; Cooling fins therefor
    • C03B37/025—Manufacture of glass fibres or filaments by drawing or extruding, e.g. direct drawing of molten glass from nozzles; Cooling fins therefor from reheated softened tubes, rods, fibres or filaments, e.g. drawing fibres from preforms
    • C03B37/027—Fibres composed of different sorts of glass, e.g. glass optical fibres
    • C03B37/02745—Fibres having rotational spin around the central longitudinal axis, e.g. alternating +/- spin to reduce polarisation mode dispersion
    • 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
    • C03B37/02—Manufacture of glass fibres or filaments by drawing or extruding, e.g. direct drawing of molten glass from nozzles; Cooling fins therefor
    • C03B37/03—Drawing means, e.g. drawing drums ; Traction or tensioning devices
    • C03B37/032—Drawing means, e.g. drawing drums ; Traction or tensioning devices for glass optical fibres
    • C—CHEMISTRY; METALLURGY
    • C03—GLASS; MINERAL OR SLAG WOOL
    • C03C—CHEMICAL COMPOSITION OF GLASSES, GLAZES OR VITREOUS ENAMELS; SURFACE TREATMENT OF GLASS; SURFACE TREATMENT OF FIBRES OR FILAMENTS MADE FROM GLASS, MINERALS OR SLAGS; JOINING GLASS TO GLASS OR OTHER MATERIALS
    • C03C25/00—Surface treatment of fibres or filaments made from glass, minerals or slags
    • C03C25/10—Coating
    • C03C25/104—Coating to obtain optical fibres
    • C03C25/1065—Multiple coatings
    • C—CHEMISTRY; METALLURGY
    • C03—GLASS; MINERAL OR SLAG WOOL
    • C03C—CHEMICAL COMPOSITION OF GLASSES, GLAZES OR VITREOUS ENAMELS; SURFACE TREATMENT OF GLASS; SURFACE TREATMENT OF FIBRES OR FILAMENTS MADE FROM GLASS, MINERALS OR SLAGS; JOINING GLASS TO GLASS OR OTHER MATERIALS
    • C03C25/00—Surface treatment of fibres or filaments made from glass, minerals or slags
    • C03C25/10—Coating
    • C03C25/12—General methods of coating; Devices therefor
    • C—CHEMISTRY; METALLURGY
    • C03—GLASS; MINERAL OR SLAG WOOL
    • C03B—MANUFACTURE, SHAPING, OR SUPPLEMENTARY PROCESSES
    • C03B2203/00—Fibre product details, e.g. structure, shape
    • C03B2203/02—External structure or shape details
    • C03B2203/06—Axial perturbations, e.g. twist, by torsion, undulating, crimped
    • 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)
    • C—CHEMISTRY; METALLURGY
    • C03—GLASS; MINERAL OR SLAG WOOL
    • C03B—MANUFACTURE, SHAPING, OR SUPPLEMENTARY PROCESSES
    • C03B2205/00—Fibre drawing or extruding details
    • C03B2205/06—Rotating the fibre fibre about its longitudinal axis

Landscapes

  • Chemical & Material Sciences (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Materials Engineering (AREA)
  • Organic Chemistry (AREA)
  • General Life Sciences & Earth Sciences (AREA)
  • Geochemistry & Mineralogy (AREA)
  • Manufacturing & Machinery (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • General Chemical & Material Sciences (AREA)
  • Dispersion Chemistry (AREA)
  • Optical Fibers, Optical Fiber Cores, And Optical Fiber Bundles (AREA)
  • Manufacture, Treatment Of Glass Fibers (AREA)
JP56117119A 1981-07-28 1981-07-28 単一円偏光保持用光フアイバの製造方法 Granted JPS5820746A (ja)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP56117119A JPS5820746A (ja) 1981-07-28 1981-07-28 単一円偏光保持用光フアイバの製造方法

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP56117119A JPS5820746A (ja) 1981-07-28 1981-07-28 単一円偏光保持用光フアイバの製造方法

Publications (2)

Publication Number Publication Date
JPS5820746A JPS5820746A (ja) 1983-02-07
JPH0211532B2 true JPH0211532B2 (enrdf_load_stackoverflow) 1990-03-14

Family

ID=14703892

Family Applications (1)

Application Number Title Priority Date Filing Date
JP56117119A Granted JPS5820746A (ja) 1981-07-28 1981-07-28 単一円偏光保持用光フアイバの製造方法

Country Status (1)

Country Link
JP (1) JPS5820746A (enrdf_load_stackoverflow)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5700574A (en) * 1994-08-17 1997-12-23 Owens-Corning Fiberglas Technology, Inc. Sizing composition for glass roving
JP3557606B2 (ja) * 1995-03-01 2004-08-25 住友電気工業株式会社 光ファイバおよび光ファイバの製造方法
US6076376A (en) * 1995-03-01 2000-06-20 Sumitomo Electric Industries, Ltd. Method of making an optical fiber having an imparted twist
JP2002518289A (ja) * 1998-06-24 2002-06-25 ピレリー・カビ・エ・システミ・ソチエタ・ペル・アツィオーニ 予成形体から光ファイバを製造する方法及び装置

Also Published As

Publication number Publication date
JPS5820746A (ja) 1983-02-07

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