GB2176472B - Method of producing a preforming mould for optical fibres - Google Patents

Method of producing a preforming mould for optical fibres

Info

Publication number
GB2176472B
GB2176472B GB08607122A GB8607122A GB2176472B GB 2176472 B GB2176472 B GB 2176472B GB 08607122 A GB08607122 A GB 08607122A GB 8607122 A GB8607122 A GB 8607122A GB 2176472 B GB2176472 B GB 2176472B
Authority
GB
United Kingdom
Prior art keywords
producing
optical fibres
preforming mould
preforming
mould
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
Application number
GB08607122A
Other languages
English (en)
Other versions
GB2176472A (en
GB8607122D0 (en
Inventor
Dr Hans-Ulrich Bonewitz
Uwe Christiansen
Karl-Friedrich Klein
Karl Kreutzer
Albert Muhlich
Karlheinz Rau
Wolfgang Ruffing
Fritz Simmat
Anton Steinkohl
Ralf Takke
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.)
Heraeus Schott Quarzschmelze GmbH
Original Assignee
Heraeus Schott Quarzschmelze GmbH
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 Heraeus Schott Quarzschmelze GmbH filed Critical Heraeus Schott Quarzschmelze GmbH
Publication of GB8607122D0 publication Critical patent/GB8607122D0/en
Publication of GB2176472A publication Critical patent/GB2176472A/en
Application granted granted Critical
Publication of GB2176472B publication Critical patent/GB2176472B/en
Expired 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
    • C03B37/0124—Means for reducing the diameter of rods or tubes by drawing, e.g. for preform draw-down
    • C03B37/01245—Means for reducing the diameter of rods or tubes by drawing, e.g. for preform draw-down by drawing and collapsing
    • 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]
    • C03B37/01446—Thermal after-treatment of preforms, e.g. dehydrating, consolidating, sintering
    • 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]
    • C03B37/01466—Means for changing or stabilising the diameter or form of tubes or rods
    • C03B37/01473—Collapsing
    • 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)
  • Geochemistry & Mineralogy (AREA)
  • Manufacturing & Machinery (AREA)
  • General Life Sciences & Earth Sciences (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Organic Chemistry (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • General Chemical & Material Sciences (AREA)
  • Physics & Mathematics (AREA)
  • Thermal Sciences (AREA)
  • Manufacture, Treatment Of Glass Fibers (AREA)
  • Glass Melting And Manufacturing (AREA)
GB08607122A 1985-06-13 1986-03-21 Method of producing a preforming mould for optical fibres Expired GB2176472B (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE19853521119 DE3521119A1 (de) 1985-06-13 1985-06-13 Verfahren zur herstellung einer vorform fuer optische fasern und verwendung eines rohres aus quarzglas bzw. dotiertem quarzglas zur herstellung einer solchen vorform

Publications (3)

Publication Number Publication Date
GB8607122D0 GB8607122D0 (en) 1986-04-30
GB2176472A GB2176472A (en) 1986-12-31
GB2176472B true GB2176472B (en) 1988-12-29

Family

ID=6273111

Family Applications (1)

Application Number Title Priority Date Filing Date
GB08607122A Expired GB2176472B (en) 1985-06-13 1986-03-21 Method of producing a preforming mould for optical fibres

Country Status (4)

Country Link
JP (1) JPS61286242A (fr)
DE (1) DE3521119A1 (fr)
FR (1) FR2583408B1 (fr)
GB (1) GB2176472B (fr)

Families Citing this family (15)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4848998A (en) * 1988-01-21 1989-07-18 Polaroid Corporation Selective volitization method for preparing fiber optics
DE4314638A1 (de) * 1993-05-04 1994-11-10 Rheydt Kabelwerk Ag Vorrichtung und Verfahren zum Erhitzen eines langgestreckten Glaskörpers
GB2291643B (en) * 1994-07-21 1998-01-28 Pirelli General Plc Optical fibre preforms
DE19513862C2 (de) * 1995-04-12 1997-12-18 Alcatel Kabel Ag Verfahren und Vorrichtung zum Feuerpolieren eines langgestreckten Glaskörpers
US5609665A (en) * 1995-08-31 1997-03-11 Lucent Technologies Inc. Method of making optical fiber with low melting glass core
DE10041467C1 (de) * 2000-07-26 2002-02-21 Heraeus Quarzglas Verfahren zum Verglasen von porösen Sootkörpern
US6446468B1 (en) 2000-08-01 2002-09-10 Fitel Usa Corp. Process for fabricating optical fiber involving overcladding during sintering
RU2302066C1 (ru) 2005-09-22 2007-06-27 Научный центр волоконной оптики при Институте общей физики им. А.М. Прохорова Российской академии наук Волоконный световод для оптического усиления излучения на длине волны в диапазоне 1000-1700 нм, способы его изготовления и волоконный лазер
EP1942083A1 (fr) * 2006-12-07 2008-07-09 Datwyler Fiber Optics S.A. Procédé et appareil pour la fabrication dýune préforme pour fibre optique active, fibre optique active et amplificateur
WO2010029147A1 (fr) * 2008-09-11 2010-03-18 Heraeus Quarzglas Gmbh & Co. Kg Procédé de production d'un corps en verre de quartz
DE102008059400A1 (de) 2008-11-27 2010-06-02 Heraeus Quarzglas Gmbh & Co. Kg Verfahren zur Herstellung eines Quarzglaskörpers
EP2261182A1 (fr) * 2009-05-21 2010-12-15 Silitec Fibers SA Procédé de fabrication d'une préforme en particules de verre
EP3702333A1 (fr) * 2019-03-01 2020-09-02 Heraeus Quarzglas GmbH & Co. KG Procédé et dispositif de fabrication d'un composant de verre
CN113894627B (zh) * 2021-10-15 2023-09-01 湖州东科电子石英股份有限公司 锥形保护筒的加工方法
CN114044627A (zh) * 2021-12-10 2022-02-15 中国电子科技集团公司第四十六研究所 一种预防掺稀土离子光纤预制棒芯部元素挥发的方法

Family Cites Families (16)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3455667A (en) * 1966-05-06 1969-07-15 American Optical Corp Method of making optical couplers
US3656925A (en) * 1970-05-28 1972-04-18 Owens Illinois Inc Method and apparatus for joining two glass parts or articles
DE2415052C3 (de) * 1974-03-28 1979-04-19 Siemens Ag, 1000 Berlin Und 8000 Muenchen Verfahren zur Herstellung einer Lichtleitfaser
JPS54112218A (en) * 1978-02-20 1979-09-03 Nippon Telegr & Teleph Corp <Ntt> Production of optical fiber
US4263031A (en) * 1978-06-12 1981-04-21 Corning Glass Works Method of producing glass optical filaments
GB2033372B (en) * 1978-09-28 1983-01-19 Sumitomo Electric Industries Method of producing an optical waveguide
JPS5852935B2 (ja) * 1978-11-20 1983-11-26 三菱マテリアル株式会社 光伝送用素材の製造方法
DE2938218C2 (de) * 1979-09-21 1986-10-09 Corning Glass Works, Corning, N.Y. Verfahren zur Herstellung eines Glasgegenstandes
GB2084988B (en) * 1980-10-02 1984-06-06 Post Office Methods of etching materials containing silicon
DE3230199A1 (de) * 1982-08-13 1984-02-16 Siemens AG, 1000 Berlin und 8000 München Verfahren zur herstellung einer glasfaser mit einem radialen brechzahlprofil
JPS5969438A (ja) * 1982-10-15 1984-04-19 Hitachi Ltd 光フアイバ母材の製造方法
DE3240355C1 (de) * 1982-11-02 1983-11-17 Heraeus Quarzschmelze Gmbh, 6450 Hanau Verfahren zur Herstellung eines laenglichen Glaskoerpers mit inhomogener Brechungsindexverteilung
DE3315156A1 (de) * 1983-04-27 1984-10-31 Standard Elektrik Lorenz Ag, 7000 Stuttgart Verfahren zur herstellung von lichtwellenleitern
JPS59202401A (ja) * 1983-05-02 1984-11-16 Sumitomo Electric Ind Ltd 光フアイバおよびその製造方法
CA1236695A (fr) * 1984-09-17 1988-05-17 Koichi Abe Fibre optique
CA1260684A (fr) * 1985-03-19 1989-09-26 Koichi Abe Fabrication de guides d'ondes optiques

Also Published As

Publication number Publication date
GB2176472A (en) 1986-12-31
DE3521119A1 (de) 1986-12-18
JPH0526730B2 (fr) 1993-04-19
GB8607122D0 (en) 1986-04-30
FR2583408B1 (fr) 1992-08-28
FR2583408A1 (fr) 1986-12-19
DE3521119C2 (fr) 1987-11-05
JPS61286242A (ja) 1986-12-16

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Legal Events

Date Code Title Description
PCNP Patent ceased through non-payment of renewal fee

Effective date: 19970321