FR2080895B1 - - Google Patents

Info

Publication number
FR2080895B1
FR2080895B1 FR7047363A FR7047363A FR2080895B1 FR 2080895 B1 FR2080895 B1 FR 2080895B1 FR 7047363 A FR7047363 A FR 7047363A FR 7047363 A FR7047363 A FR 7047363A FR 2080895 B1 FR2080895 B1 FR 2080895B1
Authority
FR
France
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
FR7047363A
Other languages
French (fr)
Other versions
FR2080895A1 (enExample
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 Selfoc Co Ltd
Original Assignee
Nippon Selfoc 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 Nippon Selfoc Co Ltd filed Critical Nippon Selfoc Co Ltd
Publication of FR2080895A1 publication Critical patent/FR2080895A1/fr
Application granted granted Critical
Publication of FR2080895B1 publication Critical patent/FR2080895B1/fr
Expired legal-status Critical Current

Links

Classifications

    • 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
    • G02B6/02—Optical fibres with cladding with or without a coating
    • G02B6/028—Optical fibres with cladding with or without a coating with core or cladding having graded refractive index
    • G02B6/0281—Graded index region forming part of the central core segment, e.g. alpha profile, triangular, trapezoidal core
    • 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
    • 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
    • C03B37/02718—Thermal treatment of the fibre during the drawing process, e.g. cooling
    • 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
    • C03C13/00—Fibre or filament compositions
    • C03C13/04—Fibre optics, e.g. core and clad fibre compositions
    • 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
    • C03C13/00—Fibre or filament compositions
    • C03C13/04—Fibre optics, e.g. core and clad fibre compositions
    • C03C13/045—Silica-containing oxide glass compositions
    • C03C13/046—Multicomponent glass compositions
    • 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
    • C03C25/60—Surface treatment of fibres or filaments made from glass, minerals or slags by diffusing ions or metals into the surface
    • C03C25/601—Surface treatment of fibres or filaments made from glass, minerals or slags by diffusing ions or metals into the surface in the liquid phase, e.g. using solutions or molten salts
    • 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
    • G02B6/02—Optical fibres with cladding with or without a coating
    • C—CHEMISTRY; METALLURGY
    • C03—GLASS; MINERAL OR SLAG WOOL
    • C03B—MANUFACTURE, SHAPING, OR SUPPLEMENTARY PROCESSES
    • C03B2205/00—Fibre drawing or extruding details
    • C03B2205/50—Cooling the drawn fibre using liquid coolant prior to coating, e.g. indirect cooling via cooling jacket
    • C03B2205/52—Cooling the drawn fibre using liquid coolant prior to coating, e.g. indirect cooling via cooling jacket by direct contact with liquid coolant, e.g. as spray, mist
    • C03B2205/53—Cooling the drawn fibre using liquid coolant prior to coating, e.g. indirect cooling via cooling jacket by direct contact with liquid coolant, e.g. as spray, mist by passage through liquid coolant bath

Landscapes

  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Materials Engineering (AREA)
  • Geochemistry & Mineralogy (AREA)
  • Organic Chemistry (AREA)
  • Optics & Photonics (AREA)
  • General Life Sciences & Earth Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • General Chemical & Material Sciences (AREA)
  • Manufacturing & Machinery (AREA)
  • General Physics & Mathematics (AREA)
  • Thermal Sciences (AREA)
  • Glass Compositions (AREA)
  • Surface Treatment Of Glass (AREA)
FR7047363A 1969-12-30 1970-12-30 Expired FR2080895B1 (enExample)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP42670 1969-12-30

Publications (2)

Publication Number Publication Date
FR2080895A1 FR2080895A1 (enExample) 1971-11-26
FR2080895B1 true FR2080895B1 (enExample) 1976-05-28

Family

ID=11473465

Family Applications (1)

Application Number Title Priority Date Filing Date
FR7047363A Expired FR2080895B1 (enExample) 1969-12-30 1970-12-30

Country Status (7)

Country Link
US (1) US3806328A (enExample)
BE (1) BE761092A (enExample)
CA (1) CA952719A (enExample)
DE (1) DE2064408C3 (enExample)
FR (1) FR2080895B1 (enExample)
GB (1) GB1331515A (enExample)
NL (1) NL168200C (enExample)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3888648A (en) * 1972-12-07 1975-06-10 Us Navy Method for forming an optical wave guide coupler
JPS57188431A (en) * 1981-05-12 1982-11-19 Nippon Sheet Glass Co Ltd Optical glass containing thallium
US4756733A (en) * 1986-04-14 1988-07-12 The University Of Rochester Method and composition for creating gradient-index glass

Also Published As

Publication number Publication date
DE2064408B2 (de) 1980-01-24
DE2064408A1 (de) 1971-07-01
FR2080895A1 (enExample) 1971-11-26
BE761092A (fr) 1971-05-27
GB1331515A (en) 1973-09-26
CA952719A (en) 1974-08-13
NL7018930A (enExample) 1971-07-02
DE2064408C3 (de) 1980-10-23
NL168200C (nl) 1982-03-16
US3806328A (en) 1974-04-23
NL168200B (nl) 1981-10-16

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Legal Events

Date Code Title Description
ST Notification of lapse