FR2267987A1 - Drawing optical waveguides - using blank rendered partly translucent to allow heating by focused radiation or by lasers - Google Patents

Drawing optical waveguides - using blank rendered partly translucent to allow heating by focused radiation or by lasers

Info

Publication number
FR2267987A1
FR2267987A1 FR7413706A FR7413706A FR2267987A1 FR 2267987 A1 FR2267987 A1 FR 2267987A1 FR 7413706 A FR7413706 A FR 7413706A FR 7413706 A FR7413706 A FR 7413706A FR 2267987 A1 FR2267987 A1 FR 2267987A1
Authority
FR
France
Prior art keywords
blank
lasers
optical waveguides
focused radiation
drawing optical
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
FR7413706A
Other languages
English (en)
French (fr)
Other versions
FR2267987B1 (OSRAM
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.)
HAUSSONNE JEAN MARIE
Original Assignee
HAUSSONNE JEAN MARIE
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 HAUSSONNE JEAN MARIE filed Critical HAUSSONNE JEAN MARIE
Priority to FR7413706A priority Critical patent/FR2267987A1/fr
Publication of FR2267987A1 publication Critical patent/FR2267987A1/fr
Application granted granted Critical
Publication of FR2267987B1 publication Critical patent/FR2267987B1/fr
Granted legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
    • H05B—ELECTRIC HEATING; ELECTRIC LIGHT SOURCES NOT OTHERWISE PROVIDED FOR; CIRCUIT ARRANGEMENTS FOR ELECTRIC LIGHT SOURCES, IN GENERAL
    • H05B7/00—Heating by electric discharge
    • H05B7/18—Heating by arc discharge
    • H05B7/22—Indirect heating by arc discharge
    • H05B7/225—Indirect heating by arc discharge by arc image
    • 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
    • C03B37/0128—Manufacture of preforms for drawing fibres or filaments starting from pulverulent glass
    • C03B37/01282—Manufacture of preforms for drawing fibres or filaments starting from pulverulent glass by pressing or sintering, e.g. hot-pressing
    • 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
    • C03B37/029—Furnaces therefor
    • H—ELECTRICITY
    • H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
    • H05B—ELECTRIC HEATING; ELECTRIC LIGHT SOURCES NOT OTHERWISE PROVIDED FOR; CIRCUIT ARRANGEMENTS FOR ELECTRIC LIGHT SOURCES, IN GENERAL
    • H05B3/00—Ohmic-resistance heating
    • H05B3/0033—Heating devices using lamps
    • H05B3/0038—Heating devices using lamps for industrial applications
    • C—CHEMISTRY; METALLURGY
    • C03—GLASS; MINERAL OR SLAG WOOL
    • C03B—MANUFACTURE, SHAPING, OR SUPPLEMENTARY PROCESSES
    • C03B2205/00—Fibre drawing or extruding details
    • C03B2205/60—Optical fibre draw furnaces
    • C03B2205/62—Heating means for drawing
    • C03B2205/67—Laser heating

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)
  • Physics & Mathematics (AREA)
  • Plasma & Fusion (AREA)
  • Manufacture, Treatment Of Glass Fibers (AREA)
  • Light Guides In General And Applications Therefor (AREA)
FR7413706A 1974-04-19 1974-04-19 Drawing optical waveguides - using blank rendered partly translucent to allow heating by focused radiation or by lasers Granted FR2267987A1 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
FR7413706A FR2267987A1 (en) 1974-04-19 1974-04-19 Drawing optical waveguides - using blank rendered partly translucent to allow heating by focused radiation or by lasers

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR7413706A FR2267987A1 (en) 1974-04-19 1974-04-19 Drawing optical waveguides - using blank rendered partly translucent to allow heating by focused radiation or by lasers

Publications (2)

Publication Number Publication Date
FR2267987A1 true FR2267987A1 (en) 1975-11-14
FR2267987B1 FR2267987B1 (OSRAM) 1978-07-07

Family

ID=9137869

Family Applications (1)

Application Number Title Priority Date Filing Date
FR7413706A Granted FR2267987A1 (en) 1974-04-19 1974-04-19 Drawing optical waveguides - using blank rendered partly translucent to allow heating by focused radiation or by lasers

Country Status (1)

Country Link
FR (1) FR2267987A1 (OSRAM)

Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2537732A1 (fr) * 1982-12-10 1984-06-15 Thomson Csf Dispositif d'echauffement d'une zone annulaire superficielle d'un objet filiforme
WO2000056675A1 (de) * 1999-03-23 2000-09-28 Schott Glas Verfahren und vorrichtung zum homogenen erwärmen von gläsern und/oder glaskeramiken mit hilfe von infrarot-strahlung
WO2000056674A1 (de) * 1999-03-23 2000-09-28 Schott Glas Verfahren zur formgebung von glaskeramikteilen und/oder glasteilen
WO2002000559A3 (de) * 2000-06-21 2002-05-23 Schott Glas Vorrichtung zum homogenen erwärmen von gläsern und/oder glaskeramiken
DE10235389A1 (de) * 2002-08-02 2004-02-19 Carl Zeiss Jena Gmbh Anordnung zum Erzeugen eines leuchtenden Feldes
EP1609768A1 (en) * 2004-06-01 2005-12-28 Schott AG Hot formed articles and method and apparatus for hot-forming

Cited By (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2537732A1 (fr) * 1982-12-10 1984-06-15 Thomson Csf Dispositif d'echauffement d'une zone annulaire superficielle d'un objet filiforme
EP0112224A1 (fr) * 1982-12-10 1984-06-27 Thomson-Csf Dispositif d'échauffement d'une zone annulaire superficielle d'un objet filiforme
US4547650A (en) * 1982-12-10 1985-10-15 Thomson-Csf Device for heating an annular surface zone of a threadlike object
WO2000056675A1 (de) * 1999-03-23 2000-09-28 Schott Glas Verfahren und vorrichtung zum homogenen erwärmen von gläsern und/oder glaskeramiken mit hilfe von infrarot-strahlung
WO2000056674A1 (de) * 1999-03-23 2000-09-28 Schott Glas Verfahren zur formgebung von glaskeramikteilen und/oder glasteilen
US7000430B1 (en) 1999-03-23 2006-02-21 Schott Ag Method of forming glass-ceramic parts and/or glass parts
US7017370B1 (en) 1999-03-23 2006-03-28 Schott Ag Method and device for the homogenous heating of glass and/or glass-ceramic articles using infrared radiation
WO2002000559A3 (de) * 2000-06-21 2002-05-23 Schott Glas Vorrichtung zum homogenen erwärmen von gläsern und/oder glaskeramiken
DE10235389A1 (de) * 2002-08-02 2004-02-19 Carl Zeiss Jena Gmbh Anordnung zum Erzeugen eines leuchtenden Feldes
EP1609768A1 (en) * 2004-06-01 2005-12-28 Schott AG Hot formed articles and method and apparatus for hot-forming
US7832234B2 (en) 2004-06-01 2010-11-16 Schott Ag Hot formed articles and method and apparatus for hot-forming

Also Published As

Publication number Publication date
FR2267987B1 (OSRAM) 1978-07-07

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Legal Events

Date Code Title Description
ST Notification of lapse