FR2535307B1 - Procede pour la production d'une piece de verre oblongue a distribution non homogene de l'indice de refraction - Google Patents

Procede pour la production d'une piece de verre oblongue a distribution non homogene de l'indice de refraction

Info

Publication number
FR2535307B1
FR2535307B1 FR8317410A FR8317410A FR2535307B1 FR 2535307 B1 FR2535307 B1 FR 2535307B1 FR 8317410 A FR8317410 A FR 8317410A FR 8317410 A FR8317410 A FR 8317410A FR 2535307 B1 FR2535307 B1 FR 2535307B1
Authority
FR
France
Prior art keywords
oblonged
production
refraction index
glass piece
homogeneous
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
FR8317410A
Other languages
English (en)
Other versions
FR2535307A1 (fr
Inventor
Dieter Ross
Karlheinz Rau
Hans-Ulrich Bonewitz
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 Quarzschmelze GmbH
Heraeus Schott Quarzschmelze GmbH
Original Assignee
Heraeus Quarzschmelze GmbH
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 Quarzschmelze GmbH, Heraeus Schott Quarzschmelze GmbH filed Critical Heraeus Quarzschmelze GmbH
Publication of FR2535307A1 publication Critical patent/FR2535307A1/fr
Application granted granted Critical
Publication of FR2535307B1 publication Critical patent/FR2535307B1/fr
Expired legal-status Critical Current

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C43/00—Compression moulding, i.e. applying external pressure to flow the moulding material; Apparatus therefor
    • B29C43/02—Compression moulding, i.e. applying external pressure to flow the moulding material; Apparatus therefor of articles of definite length, i.e. discrete articles
    • B29C43/10—Isostatic pressing, i.e. using non-rigid pressure-exerting members against rigid parts or dies
    • C—CHEMISTRY; METALLURGY
    • C03—GLASS; MINERAL OR SLAG WOOL
    • C03B—MANUFACTURE, SHAPING, OR SUPPLEMENTARY PROCESSES
    • C03B19/00—Other methods of shaping glass
    • C03B19/04—Other methods of shaping glass by centrifuging
    • C—CHEMISTRY; METALLURGY
    • C03—GLASS; MINERAL OR SLAG WOOL
    • C03B—MANUFACTURE, SHAPING, OR SUPPLEMENTARY PROCESSES
    • C03B19/00—Other methods of shaping glass
    • C03B19/06—Other methods of shaping glass by sintering, e.g. by cold isostatic pressing of powders and subsequent sintering, by hot pressing of powders, by sintering slurries or dispersions not undergoing a liquid phase reaction
    • C—CHEMISTRY; METALLURGY
    • C03—GLASS; MINERAL OR SLAG WOOL
    • C03B—MANUFACTURE, SHAPING, OR SUPPLEMENTARY PROCESSES
    • C03B32/00—Thermal after-treatment of glass products not provided for in groups C03B19/00, C03B25/00 - C03B31/00 or C03B37/00, e.g. crystallisation, eliminating gas inclusions or other impurities; Hot-pressing vitrified, non-porous, shaped glass products
    • 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
    • C03B37/0128—Manufacture of preforms for drawing fibres or filaments starting from pulverulent glass
    • C03B37/01282—Manufacture of preforms for drawing fibres or filaments starting from pulverulent glass by pressing or sintering, e.g. hot-pressing
    • 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
    • C03B37/0128—Manufacture of preforms for drawing fibres or filaments starting from pulverulent glass
    • C03B37/01285—Manufacture of preforms for drawing fibres or filaments starting from pulverulent glass by centrifuging
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29L—INDEXING SCHEME ASSOCIATED WITH SUBCLASS B29C, RELATING TO PARTICULAR ARTICLES
    • B29L2023/00—Tubular articles
    • 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
    • C03B2203/12—Non-circular or non-elliptical cross-section, e.g. planar core
    • 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

  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Materials Engineering (AREA)
  • Organic Chemistry (AREA)
  • Manufacturing & Machinery (AREA)
  • Geochemistry & Mineralogy (AREA)
  • General Life Sciences & Earth Sciences (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Thermal Sciences (AREA)
  • Physics & Mathematics (AREA)
  • Dispersion Chemistry (AREA)
  • Mechanical Engineering (AREA)
  • Glass Melting And Manufacturing (AREA)
  • Glass Compositions (AREA)
  • Manufacture, Treatment Of Glass Fibers (AREA)
  • Light Guides In General And Applications Therefor (AREA)
FR8317410A 1982-11-02 1983-11-02 Procede pour la production d'une piece de verre oblongue a distribution non homogene de l'indice de refraction Expired FR2535307B1 (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE3240355A DE3240355C1 (de) 1982-11-02 1982-11-02 Verfahren zur Herstellung eines laenglichen Glaskoerpers mit inhomogener Brechungsindexverteilung

Publications (2)

Publication Number Publication Date
FR2535307A1 FR2535307A1 (fr) 1984-05-04
FR2535307B1 true FR2535307B1 (fr) 1987-03-20

Family

ID=6177059

Family Applications (1)

Application Number Title Priority Date Filing Date
FR8317410A Expired FR2535307B1 (fr) 1982-11-02 1983-11-02 Procede pour la production d'une piece de verre oblongue a distribution non homogene de l'indice de refraction

Country Status (6)

Country Link
US (1) US5049175A (fr)
JP (1) JPS5983942A (fr)
DE (1) DE3240355C1 (fr)
FR (1) FR2535307B1 (fr)
GB (1) GB2129418B (fr)
NL (1) NL8302204A (fr)

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DE3217965A1 (de) * 1982-05-13 1983-11-17 Standard Elektrik Lorenz Ag, 7000 Stuttgart Verfahren zur herstellung von glasfaser-lichtwellenleitern
DE3314302A1 (de) * 1983-04-20 1984-10-25 Standard Elektrik Lorenz Ag, 7000 Stuttgart Verfahren zum herstellen von poroesen glaskoerpern, insbesondere fuer die herstellung von lichtwellenleitern
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DE3429051C1 (de) * 1984-08-07 1986-02-13 Degussa Ag, 6000 Frankfurt Verfahren zur Herstellung von Presslingen aus pulverfoermigem,pyrogen hergestelltem Siliciumdioxid
NL8403380A (nl) * 1984-11-07 1986-06-02 Philips Nv Werkwijze en inrichting voor het verdichten van een voorgevormd poreus lichaam uit materiaal, waarvan het hoofdbestanddeel uit sio2 bestaat.
DE3511457A1 (de) * 1985-03-29 1986-10-09 Philips Patentverwaltung Gmbh, 2000 Hamburg Verfahren und vorrichtungen zur herstellung von glaskoerpern
DE3521119A1 (de) * 1985-06-13 1986-12-18 Heraeus Quarzschmelze Gmbh, 6450 Hanau Verfahren zur herstellung einer vorform fuer optische fasern und verwendung eines rohres aus quarzglas bzw. dotiertem quarzglas zur herstellung einer solchen vorform
JP2737191B2 (ja) * 1987-12-28 1998-04-08 東ソー株式会社 均質な石英ガラス塊の製造方法
US5106400A (en) * 1990-09-10 1992-04-21 Corning Incorporated Casting core/clad glass preforms method and apparatus
US5244485A (en) * 1991-04-30 1993-09-14 The Furukawa Electric Co., Ltd. Method of manufacturing a silica glass preform
CA2088238C (fr) * 1992-01-30 1998-08-18 Masato Oku Methode de fabrication de preformes de fibres de verre
FR2707285B1 (fr) * 1993-07-06 1995-08-11 Alcatel Fibres Optiques Préforme pour fibre optique, procédé de fabrication d'une telle préforme et fibre optique obtenue à partir de cette préforme.
DE69635662T2 (de) * 1995-09-12 2006-08-10 Corning Inc. Verfahren und Ofen zur Herstellung von Quarzglas mit reduziertem Gehalt an Schlieren
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EP1524246A1 (fr) * 1995-09-12 2005-04-20 Corning Incorporated Boules ébauches avec des motifs d'oscillation pour la production de verre de silice fondue
US6289698B1 (en) * 1996-08-02 2001-09-18 Corning Incorporated Method of making a fiber preform with increases in alumina concentration at radial distances
FR2755124B1 (fr) * 1996-10-24 1998-11-27 Alsthom Cge Alcatel Procede de fabrication d'une preforme de fibre optique
ITMI972047A1 (it) * 1997-09-09 1999-03-09 Graziano Bianco Lente oftalmica multipolare progressiva a geometria costante e a gradiente (n. indice di rifrazione) variabile
US6029475A (en) * 1998-06-30 2000-02-29 Lightpath Technologies, Inc. Batching of molten glass in the production of graded index of refraction glass bodies
DE29813318U1 (de) * 1998-07-28 1999-12-02 Heraeus Quarzglas Gmbh, 63450 Hanau Optisches Bauteil
US6463202B1 (en) * 2000-06-09 2002-10-08 Southwest Research Institute Optimization of curved waveguide design to reduce transmission losses
US7797966B2 (en) * 2000-12-29 2010-09-21 Single Crystal Technologies, Inc. Hot substrate deposition of fused silica
US20020083739A1 (en) * 2000-12-29 2002-07-04 Pandelisev Kiril A. Hot substrate deposition fiber optic preforms and preform components process and apparatus
US20020083740A1 (en) * 2000-12-29 2002-07-04 Pandelisev Kiril A. Process and apparatus for production of silica grain having desired properties and their fiber optic and semiconductor application
US20020117625A1 (en) * 2001-02-26 2002-08-29 Pandelisev Kiril A. Fiber optic enhanced scintillator detector
DE10158521B4 (de) * 2001-11-29 2005-06-02 Wacker-Chemie Gmbh In Teilbereichen oder vollständig verglaster SiO2-Formkörper und Verfahren zu seiner Herstellung
US20030226377A1 (en) * 2002-03-05 2003-12-11 Barrett W. Tim Method of making silica-titania extreme ultraviolet elements
JP2006327880A (ja) * 2005-05-26 2006-12-07 Shinetsu Quartz Prod Co Ltd 石英ガラス体の製造方法
CN101568842B (zh) * 2006-12-22 2013-11-20 Abb研究有限公司 光学高电压传感器
DE102008016230A1 (de) 2008-03-27 2009-05-20 Heraeus Quarzglas Gmbh & Co. Kg Verfahren für die Herstellung eines Zylinders aus synthetischem Quarzglas
DE102008059400A1 (de) 2008-11-27 2010-06-02 Heraeus Quarzglas Gmbh & Co. Kg Verfahren zur Herstellung eines Quarzglaskörpers
US8904828B2 (en) * 2008-10-30 2014-12-09 Corning Incorporated Methods for forming cladding portions of optical fiber preform assemblies
EP2226301A1 (fr) * 2009-02-22 2010-09-08 Silitec Fibers SA Procédé de production et de traitement d'une préforme, préforme et fibre optique
DE102009033984B4 (de) * 2009-07-16 2013-05-16 Fachhochschule Jena Verfahren zur Herstellung von Glas mit definiert inhomogenen optischen Eigenschaften
US8468852B2 (en) * 2009-12-03 2013-06-25 Corning Incorporated Soot pressing for optical fiber overcladding
ITPD20100355A1 (it) * 2010-11-24 2012-05-25 Ferro Murano S R L Procedimento per la realizzazione di lastre in materia vetrosa con disegni multicolore, e lastre e piastrelle realizzate con tale procedimento
JP5384679B2 (ja) * 2012-01-19 2014-01-08 湖北工業株式会社 光ファイバ母材を製造する方法及び光ファイバ母材
JP6271523B2 (ja) 2012-05-11 2018-01-31 オーエフエス ファイテル，エルエルシー バーベル光ファイバおよびその製作方法
US9376338B2 (en) * 2013-11-14 2016-06-28 Corning Incorporated Methods and apparatuses for forming optical preforms from glass soot
US10053386B2 (en) 2014-04-25 2018-08-21 Corning Incorporated Method for forming optical fiber and preforms
US20160257572A1 (en) * 2015-03-06 2016-09-08 Ofs Fitel, Llc Using porous grains in powder-in-tube (pit) process
US20160257602A1 (en) * 2015-03-06 2016-09-08 Ofs Fitel, Llc Using silicon tetraflouride during powder-in-tube (pit) process
US20160257601A1 (en) * 2015-03-06 2016-09-08 Ofs Fitel, Llc Eliminating the need for a thin-walled tube in a powder-in-tube (pit) process
WO2020257693A1 (fr) * 2019-06-19 2020-12-24 Arris Composites Inc. Moules à plusieurs parties et procédés de formation de pièces composites fibreuses complexes
CN111320375A (zh) * 2020-04-13 2020-06-23 远东通讯有限公司 Vad疏松体脱水烧结装置

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Also Published As

Publication number Publication date
DE3240355C1 (de) 1983-11-17
FR2535307A1 (fr) 1984-05-04
JPS5983942A (ja) 1984-05-15
GB8319593D0 (en) 1983-08-24
GB2129418A (en) 1984-05-16
NL8302204A (nl) 1984-06-01
US5049175A (en) 1991-09-17
GB2129418B (en) 1986-09-17

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