DK0754655T3 - Fremgangsmåde og apparat til detektering af en kritisk tilstand af lukning af en præform af glas til optiske fibre - Google Patents

Fremgangsmåde og apparat til detektering af en kritisk tilstand af lukning af en præform af glas til optiske fibre

Info

Publication number
DK0754655T3
DK0754655T3 DK96401569T DK96401569T DK0754655T3 DK 0754655 T3 DK0754655 T3 DK 0754655T3 DK 96401569 T DK96401569 T DK 96401569T DK 96401569 T DK96401569 T DK 96401569T DK 0754655 T3 DK0754655 T3 DK 0754655T3
Authority
DK
Denmark
Prior art keywords
closure
detecting
optical fiber
fiber glass
glass preform
Prior art date
Application number
DK96401569T
Other languages
English (en)
Inventor
Jean-Fran Ois Regnier
Gerard Orcel
Original Assignee
Cit Alcatel
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 Cit Alcatel filed Critical Cit Alcatel
Application granted granted Critical
Publication of DK0754655T3 publication Critical patent/DK0754655T3/da

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
    • C03B37/014—Manufacture of preforms for drawing fibres or filaments made entirely or partially by chemical means, e.g. vapour phase deposition of bulk porous glass either by outside vapour deposition [OVD], or by outside vapour phase oxidation [OVPO] or by vapour axial deposition [VAD]
    • C03B37/018—Manufacture of preforms for drawing fibres or filaments made entirely or partially by chemical means, e.g. vapour phase deposition of bulk porous glass either by outside vapour deposition [OVD], or by outside vapour phase oxidation [OVPO] or by vapour axial deposition [VAD] by glass deposition on a glass substrate, e.g. by inside-, modified-, plasma-, or plasma modified- chemical vapour deposition [ICVD, MCVD, PCVD, PMCVD], i.e. by thin layer coating on the inside or outside of a glass tube or on a glass rod
    • C03B37/01861—Means for changing or stabilising the diameter or form of tubes or rods
    • C03B37/01869—Collapsing

Landscapes

  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • General 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)
  • Manufacture, Treatment Of Glass Fibers (AREA)
DK96401569T 1995-07-19 1996-07-16 Fremgangsmåde og apparat til detektering af en kritisk tilstand af lukning af en præform af glas til optiske fibre DK0754655T3 (da)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR9508730A FR2736909B1 (fr) 1995-07-19 1995-07-19 Procede et systeme de detection d'un etat critique de fermeture d'une preforme optique

Publications (1)

Publication Number Publication Date
DK0754655T3 true DK0754655T3 (da) 1999-11-08

Family

ID=9481134

Family Applications (1)

Application Number Title Priority Date Filing Date
DK96401569T DK0754655T3 (da) 1995-07-19 1996-07-16 Fremgangsmåde og apparat til detektering af en kritisk tilstand af lukning af en præform af glas til optiske fibre

Country Status (4)

Country Link
US (1) US6484538B1 (da)
EP (1) EP0754655B1 (da)
DK (1) DK0754655T3 (da)
FR (1) FR2736909B1 (da)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2776652B1 (fr) * 1998-03-30 2000-04-28 Alsthom Cge Alcatel Procede ameliore de retreint d'une preforme de fibre optique
JP4687648B2 (ja) * 2004-02-27 2011-05-25 住友電気工業株式会社 光ファイバ母材を製造する方法および装置
NL2002423C2 (en) * 2009-01-16 2010-07-19 Draka Comteq Bv Method and system to manufacture an optical fibre preform.
NL2002422C2 (en) * 2009-01-16 2010-07-19 Draka Comteq Bv Method and system to manufacture an optical fibre preform.

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE247206C (da) *
EP0067017B1 (en) * 1981-05-29 1987-03-04 Hitachi, Ltd. Polarization plane maintaining optical fiber and fabricating method therefor
US4632684A (en) 1984-07-31 1986-12-30 Itt Corporation Method of and apparatus for making optical preforms from tubular bodies
JPS61295248A (ja) * 1985-06-21 1986-12-26 Furukawa Electric Co Ltd:The 光フアイバ母材の製造装置
DE3733880A1 (de) * 1987-10-07 1989-04-20 Schott Glaswerke Verfahren zur herstellung eines lichtwellenleiters
DE3830624A1 (de) * 1988-09-09 1990-03-08 Schott Glaswerke Verfahren zur herstellung von dickkernigen lichtwellenleitern durch innenbeschichtung
DE3921086A1 (de) * 1989-06-28 1991-01-03 Kabelmetal Electro Gmbh Verfahren zur herstellung von lichtwellenleitern mit aufschmelzen eines ueberwurfrohres auf eine roh-vorform

Also Published As

Publication number Publication date
FR2736909A1 (fr) 1997-01-24
FR2736909B1 (fr) 1997-08-22
US6484538B1 (en) 2002-11-26
EP0754655A1 (fr) 1997-01-22
EP0754655B1 (fr) 1999-05-26

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