BR9902718A - Grande preforma mcvd para fibra de modo único e método para fazer à mesma - Google Patents

Grande preforma mcvd para fibra de modo único e método para fazer à mesma

Info

Publication number
BR9902718A
BR9902718A BR9902718A BR9902718A BR9902718A BR 9902718 A BR9902718 A BR 9902718A BR 9902718 A BR9902718 A BR 9902718A BR 9902718 A BR9902718 A BR 9902718A BR 9902718 A BR9902718 A BR 9902718A
Authority
BR
Brazil
Prior art keywords
tube
preform
less
diameter
core
Prior art date
Application number
BR9902718A
Other languages
English (en)
Inventor
Paul Francis Glodis
Charles Francis Gridley
Donald Paul Jablonowski
David Kalish
Kenneth Lee Walker
Original Assignee
Lucent Technologies Inc
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 Lucent Technologies Inc filed Critical Lucent Technologies Inc
Publication of BR9902718A publication Critical patent/BR9902718A/pt

Links

Classifications

    • C—CHEMISTRY; METALLURGY
    • C03—GLASS; MINERAL OR SLAG WOOL
    • C03C—CHEMICAL COMPOSITION OF GLASSES, GLAZES OR VITREOUS ENAMELS; SURFACE TREATMENT OF GLASS; SURFACE TREATMENT OF FIBRES OR FILAMENTS MADE FROM GLASS, MINERALS OR SLAGS; JOINING GLASS TO GLASS OR OTHER MATERIALS
    • C03C3/00—Glass compositions
    • C03C3/04—Glass compositions containing silica
    • 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
    • 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
    • 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
    • C03B37/01884—Means for supporting, rotating and translating tubes or rods being formed, e.g. lathes
    • 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
    • C03B37/01884—Means for supporting, rotating and translating tubes or rods being formed, e.g. lathes
    • C03B37/01892—Deposition substrates, e.g. tubes, mandrels
    • C—CHEMISTRY; METALLURGY
    • C03—GLASS; MINERAL OR SLAG WOOL
    • C03B—MANUFACTURE, SHAPING, OR SUPPLEMENTARY PROCESSES
    • C03B2201/00—Type of glass produced
    • C03B2201/02—Pure silica glass, e.g. pure fused quartz
    • C—CHEMISTRY; METALLURGY
    • C03—GLASS; MINERAL OR SLAG WOOL
    • C03B—MANUFACTURE, SHAPING, OR SUPPLEMENTARY PROCESSES
    • C03B2201/00—Type of glass produced
    • C03B2201/02—Pure silica glass, e.g. pure fused quartz
    • C03B2201/03—Impurity concentration specified
    • C03B2201/04—Hydroxyl ion (OH)
    • C—CHEMISTRY; METALLURGY
    • C03—GLASS; MINERAL OR SLAG WOOL
    • C03B—MANUFACTURE, SHAPING, OR SUPPLEMENTARY PROCESSES
    • C03B2201/00—Type of glass produced
    • C03B2201/06—Doped silica-based glasses
    • C03B2201/07—Impurity concentration specified
    • C03B2201/075—Hydroxyl ion (OH)
    • 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
    • C03B2203/24—Single mode [SM or monomode]

Landscapes

  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Geochemistry & Mineralogy (AREA)
  • Materials Engineering (AREA)
  • Organic Chemistry (AREA)
  • General Life Sciences & Earth Sciences (AREA)
  • Manufacturing & Machinery (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • General Chemical & Material Sciences (AREA)
  • Manufacture, Treatment Of Glass Fibers (AREA)
  • Inorganic Fibers (AREA)

Abstract

<B>GRANDE PREFORMA MCVD PARA FIBRA DE MODO úNICO E MéTODO PARA FAZER A MESMA<D>. Uma grande pre-forma óptica (303) é feita por um processo de deposição de vapor química modificada (MCVD) depositando sucessivas camadas de materiais de núcleo e revestimento sobre a superfície intrerior de um tubo de vidro giratório (33) tendo um nível de íon hidroxila (OH^ -^) que é menor que 0,5 partes por milhão (ppm) em peso. O tubo é então dobrado para dentro para formar uma haste de núcleo (301) no qual o material de núcleo depositado (31) tem um diãmetro que é maior que cerca de 5 milímetros e o material de revestimento depositado (32) tem um diâmetro exterior que é menor que cerca de 15 milímetros. Um a pressão dentro do tubo. Além disso, o sistema de máquina- visão monitora e controla a retidão do tubo variando sua velocidade rotativa de acordo com a posição angular. Após formação da haste do núcleo (301), é gravada em plasma para remover contami(34, 35) tendo um nível de íon hidroxila (OH^ -^) que é menor que 1,0 ppm em peso para criar uma per de fibra óptica de modo único pode ser estirada por metro de comprimento.
BR9902718A 1998-07-14 1999-07-12 Grande preforma mcvd para fibra de modo único e método para fazer à mesma BR9902718A (pt)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US09/115,783 US6105396A (en) 1998-07-14 1998-07-14 Method of making a large MCVD single mode fiber preform by varying internal pressure to control preform straightness

Publications (1)

Publication Number Publication Date
BR9902718A true BR9902718A (pt) 2000-03-21

Family

ID=22363362

Family Applications (1)

Application Number Title Priority Date Filing Date
BR9902718A BR9902718A (pt) 1998-07-14 1999-07-12 Grande preforma mcvd para fibra de modo único e método para fazer à mesma

Country Status (8)

Country Link
US (1) US6105396A (pt)
EP (1) EP0972752B1 (pt)
KR (1) KR100327463B1 (pt)
CN (1) CN1101344C (pt)
AT (1) ATE214037T1 (pt)
BR (1) BR9902718A (pt)
DE (1) DE69900958T2 (pt)
TW (1) TW476738B (pt)

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Also Published As

Publication number Publication date
EP0972752B1 (en) 2002-03-06
KR20000011715A (ko) 2000-02-25
KR100327463B1 (ko) 2002-03-07
US6105396A (en) 2000-08-22
DE69900958D1 (de) 2002-04-11
TW476738B (en) 2002-02-21
DE69900958T2 (de) 2002-11-21
ATE214037T1 (de) 2002-03-15
CN1241542A (zh) 2000-01-19
EP0972752A1 (en) 2000-01-19
CN1101344C (zh) 2003-02-12

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