FR2306947B1 - - Google Patents

Info

Publication number
FR2306947B1
FR2306947B1 FR7610433A FR7610433A FR2306947B1 FR 2306947 B1 FR2306947 B1 FR 2306947B1 FR 7610433 A FR7610433 A FR 7610433A FR 7610433 A FR7610433 A FR 7610433A FR 2306947 B1 FR2306947 B1 FR 2306947B1
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
FR7610433A
Other languages
French (fr)
Other versions
FR2306947A1 (en
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.)
International Standard Electric Corp
Original Assignee
International Standard Electric 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 International Standard Electric Corp filed Critical International Standard Electric Corp
Publication of FR2306947A1 publication Critical patent/FR2306947A1/en
Application granted granted Critical
Publication of FR2306947B1 publication Critical patent/FR2306947B1/fr
Granted 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
    • C—CHEMISTRY; METALLURGY
    • C03—GLASS; MINERAL OR SLAG WOOL
    • C03B—MANUFACTURE, SHAPING, OR SUPPLEMENTARY PROCESSES
    • C03B17/00—Forming molten glass by flowing-out, pushing-out, extruding or drawing downwardly or laterally from forming slits or by overflowing over lips
    • C03B17/02—Forming molten glass coated with coloured layers; Forming molten glass of different compositions or layers; Forming molten glass comprising reinforcements or inserts
    • C03B17/025—Tubes or rods
    • C—CHEMISTRY; METALLURGY
    • C03—GLASS; MINERAL OR SLAG WOOL
    • C03B—MANUFACTURE, SHAPING, OR SUPPLEMENTARY PROCESSES
    • C03B23/00—Re-forming shaped glass
    • C03B23/02—Re-forming glass sheets
    • C03B23/037—Re-forming glass sheets by drawing
    • C—CHEMISTRY; METALLURGY
    • C03—GLASS; MINERAL OR SLAG WOOL
    • C03B—MANUFACTURE, SHAPING, OR SUPPLEMENTARY PROCESSES
    • C03B23/00—Re-forming shaped glass
    • C03B23/20—Uniting glass pieces by fusing without substantial reshaping
    • 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
    • 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
    • C03B37/01265—Manufacture of preforms for drawing fibres or filaments starting entirely or partially from molten glass, e.g. by dipping a preform in a melt
    • C03B37/01274—Manufacture of preforms for drawing fibres or filaments starting entirely or partially from molten glass, e.g. by dipping a preform in a melt by extrusion or drawing
    • 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
    • C03B37/022—Manufacture of glass fibres or filaments by drawing or extruding, e.g. direct drawing of molten glass from nozzles; Cooling fins therefor from molten glass in which the resultant product consists of different sorts of glass or is characterised by shape, e.g. hollow fibres, undulated fibres, fibres presenting a rough surface
    • C03B37/023—Fibres composed of different sorts of glass, e.g. glass optical fibres, made by the double crucible technique
    • 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
    • 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
    • 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
    • C03B2203/22—Radial profile of refractive index, composition or softening point

Landscapes

  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Materials Engineering (AREA)
  • Organic Chemistry (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • General Life Sciences & Earth Sciences (AREA)
  • Geochemistry & Mineralogy (AREA)
  • Manufacturing & Machinery (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Optics & Photonics (AREA)
  • Manufacture, Treatment Of Glass Fibers (AREA)
FR7610433A 1975-04-10 1976-04-09 OPTICAL FIBER TRANSDUCERS AND SEGMENTS AS WELL AS THEIR MANUFACTURING PROCESS Granted FR2306947A1 (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB1475775A GB1448080A (en) 1975-04-10 1975-04-10 Optical fibre transducer

Publications (2)

Publication Number Publication Date
FR2306947A1 FR2306947A1 (en) 1976-11-05
FR2306947B1 true FR2306947B1 (en) 1979-08-31

Family

ID=10046959

Family Applications (1)

Application Number Title Priority Date Filing Date
FR7610433A Granted FR2306947A1 (en) 1975-04-10 1976-04-09 OPTICAL FIBER TRANSDUCERS AND SEGMENTS AS WELL AS THEIR MANUFACTURING PROCESS

Country Status (6)

Country Link
AU (1) AU499838B2 (en)
CH (1) CH607059A5 (en)
FR (1) FR2306947A1 (en)
GB (1) GB1448080A (en)
IT (1) IT1059640B (en)
NL (1) NL7603370A (en)

Families Citing this family (17)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4053205A (en) * 1976-07-30 1977-10-11 Bell Telephone Laboratories, Incorporated Optical fiber having reduced dispersion
US4053204A (en) * 1976-07-30 1977-10-11 Bell Telephone Laboratories, Incorporated Optical fiber having reduced dispersion
US4179187A (en) * 1977-08-12 1979-12-18 Corning Glass Works Multiple mode waveguide having cylindrical perturbations
US4578096A (en) * 1980-08-13 1986-03-25 Warner-Lambert Technologies, Inc. Gradient index optical components
NL8004960A (en) * 1980-08-30 1982-04-01 Philips Nv METHOD FOR MANUFACTURING AN OPTICAL CORE FIBER WITH A CIRCULAR SECTION AND SECTIONAL CROWN FOR USE IN THIS PROCESS.
GB2188719B (en) * 1986-04-02 1990-08-22 Stc Plc Optical fibres
FR2698200B1 (en) * 1992-11-13 1995-02-03 Dominitz Jacques Charles Manufacturing process for message carrier object.
FR2707285B1 (en) * 1993-07-06 1995-08-11 Alcatel Fibres Optiques Preform for optical fiber, process for manufacturing such a preform and optical fiber obtained from this preform.
US5894537A (en) * 1996-01-11 1999-04-13 Corning Incorporated Dispersion managed optical waveguide
AU693329B2 (en) * 1995-04-13 1998-06-25 Corning Incorporated Dispersion managed optical waveguide
US6173588B1 (en) 1996-01-11 2001-01-16 Corning Incorporated Method of making dispersion managed optical fibers
TW342457B (en) * 1996-04-29 1998-10-11 Corning Inc Method of making optical fibers
US6389207B1 (en) * 1999-12-13 2002-05-14 Corning Incorporated Dispersion managed fiber
US6550279B1 (en) 2000-09-01 2003-04-22 Corning Incorporated Process for drawing optical fiber from a multiple crucible apparatus with a thermal gradient
US6588235B2 (en) 2001-08-30 2003-07-08 Corning Incorporated Method of centering a fiber core in a multiple-crucible method
US10927029B2 (en) 2017-11-30 2021-02-23 Corning Incorporated Apparatuses and methods for continuous production of glass tubing
GB2581828B (en) * 2019-02-28 2022-03-30 Ip2Ipo Innovations Ltd Longitudinally non-uniform preform and method of making the same

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2995970A (en) * 1958-04-11 1961-08-15 American Optical Corp Method of forming fiber optical devices
GB1252732A (en) * 1967-11-08 1971-11-10
DE2237820A1 (en) * 1972-08-01 1974-02-14 Siemens Ag COVERED FIBER OPERATING LOW ATTENUATION
DE2339945A1 (en) * 1973-08-07 1975-02-13 Siemens Ag FIBER OPTIC AND METHOD OF MANUFACTURING THEREOF
GB1507144A (en) * 1974-07-10 1978-04-12 Post Office Apparatus for drawing dielectric optical waveguides

Also Published As

Publication number Publication date
FR2306947A1 (en) 1976-11-05
AU1285076A (en) 1977-10-13
CH607059A5 (en) 1978-11-30
GB1448080A (en) 1976-09-02
NL7603370A (en) 1976-10-12
AU499838B2 (en) 1979-05-03
IT1059640B (en) 1982-06-21

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Legal Events

Date Code Title Description
ST Notification of lapse