DE69800247D1 - Process for the production of preforms for multicore optical fibers - Google Patents

Process for the production of preforms for multicore optical fibers

Info

Publication number
DE69800247D1
DE69800247D1 DE69800247T DE69800247T DE69800247D1 DE 69800247 D1 DE69800247 D1 DE 69800247D1 DE 69800247 T DE69800247 T DE 69800247T DE 69800247 T DE69800247 T DE 69800247T DE 69800247 D1 DE69800247 D1 DE 69800247D1
Authority
DE
Germany
Prior art keywords
preforms
production
optical fibers
multicore optical
multicore
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
DE69800247T
Other languages
German (de)
Other versions
DE69800247T2 (en
Inventor
Isabelle Hardy
Daniel Boscher
Philippe Grosso
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.)
Gula Consulting LLC
Original Assignee
France Telecom SA
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
Priority claimed from FR9702793A external-priority patent/FR2760450B1/en
Application filed by France Telecom SA filed Critical France Telecom SA
Publication of DE69800247D1 publication Critical patent/DE69800247D1/en
Application granted granted Critical
Publication of DE69800247T2 publication Critical patent/DE69800247T2/en
Anticipated expiration legal-status Critical
Expired - Lifetime 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
    • C03B37/01225—Means for changing or stabilising the shape, e.g. diameter, of tubes or rods in general, e.g. collapsing
    • C03B37/01228—Removal of preform material
    • 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
    • C03B37/01222—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 multiple core 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
    • C03B2203/34—Plural core other than bundles, e.g. double core

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)
DE69800247T 1997-03-10 1998-03-06 Process for the production of preforms for multi-core optical fibers Expired - Lifetime DE69800247T2 (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR9702793A FR2760450B1 (en) 1997-03-10 1997-03-10 METHOD FOR MANUFACTURING PREFORMS FOR MULTI-CORE OPTICAL FIBERS

Publications (2)

Publication Number Publication Date
DE69800247D1 true DE69800247D1 (en) 2000-09-14
DE69800247T2 DE69800247T2 (en) 2001-03-08

Family

ID=9504555

Family Applications (1)

Application Number Title Priority Date Filing Date
DE69800247T Expired - Lifetime DE69800247T2 (en) 1997-03-10 1998-03-06 Process for the production of preforms for multi-core optical fibers

Country Status (1)

Country Link
DE (1) DE69800247T2 (en)

Also Published As

Publication number Publication date
DE69800247T2 (en) 2001-03-08

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Legal Events

Date Code Title Description
8364 No opposition during term of opposition
8327 Change in the person/name/address of the patent owner

Owner name: GULA CONSULTING LLC, DOVER, DEL., US