HK69089A - Method for production of glass preform for optical fibers - Google Patents

Method for production of glass preform for optical fibers

Info

Publication number
HK69089A
HK69089A HK690/89A HK69089A HK69089A HK 69089 A HK69089 A HK 69089A HK 690/89 A HK690/89 A HK 690/89A HK 69089 A HK69089 A HK 69089A HK 69089 A HK69089 A HK 69089A
Authority
HK
Hong Kong
Prior art keywords
fluorine
gas
glass
based compound
refractive index
Prior art date
Application number
HK690/89A
Other languages
German (de)
English (en)
Inventor
Michihisa Kyoto
Naoki Yoshioka
Gotaro Tanaka
Hiroo Kanamori
Original Assignee
Nippon Telegraph And Telephone Corporation
Sumitomo Electric Industries, Ltd.
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 JP58194102A external-priority patent/JPS6086045A/ja
Priority claimed from JP19410383A external-priority patent/JPS6086046A/ja
Application filed by Nippon Telegraph And Telephone Corporation, Sumitomo Electric Industries, Ltd. filed Critical Nippon Telegraph And Telephone Corporation
Publication of HK69089A publication Critical patent/HK69089A/en

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]
    • C03B37/01446—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
    • C03B2201/00—Type of glass produced
    • C03B2201/06—Doped silica-based glasses
    • C03B2201/08—Doped silica-based glasses doped with boron or fluorine or other refractive index decreasing dopant
    • C03B2201/12—Doped silica-based glasses doped with boron or fluorine or other refractive index decreasing dopant doped with fluorine
    • 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
    • C03B2201/30—Doped silica-based glasses doped with metals, e.g. Ga, Sn, Sb, Pb or Bi
    • C03B2201/31—Doped silica-based glasses doped with metals, e.g. Ga, Sn, Sb, Pb or Bi doped with germanium
    • 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
    • C03B2201/30—Doped silica-based glasses doped with metals, e.g. Ga, Sn, Sb, Pb or Bi
    • C03B2201/32—Doped silica-based glasses doped with metals, e.g. Ga, Sn, Sb, Pb or Bi doped with aluminium
    • 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
    • C03B2201/30—Doped silica-based glasses doped with metals, e.g. Ga, Sn, Sb, Pb or Bi
    • C03B2201/40—Doped silica-based glasses doped with metals, e.g. Ga, Sn, Sb, Pb or Bi doped with transition metals other than rare earth metals, e.g. Zr, Nb, Ta or Zn
    • C03B2201/42—Doped silica-based glasses doped with metals, e.g. Ga, Sn, Sb, Pb or Bi doped with transition metals other than rare earth metals, e.g. Zr, Nb, Ta or Zn doped with titanium
    • 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
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10S—TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10S65/00—Glass manufacturing
    • Y10S65/15—Nonoxygen containing chalogenides
    • Y10S65/16—Optical filament or fiber treatment with fluorine or incorporating fluorine in final product

Landscapes

  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Physics & Mathematics (AREA)
  • General Chemical & Material Sciences (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Thermal 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)
  • Glass Compositions (AREA)

Claims (9)

1. Un procédé pour produire une préforme de verre pour fibres optiques, dans lequel, afin de convertir une masse de fines particules de verre consistant principalement en quartz en verre transparent, on chauffe la masse dans une atmosphère de gaz contenant au moins un composé gazeux à base de chlore; caractérisé en ce que:
l'atmosphère gazeuse contient également un composé gazeux à base de fluor et pour une différence relative d'indices de réfraction désirée donnée Δn12, on chauffe la masse à une vitesse choisie entre 2 et 10°C/min jusqu'à ce que la température de la masse atteigne 1 100 à 1 400°C, la différence relative d'indices de réfraction Δn12 étant définie comme:où ni et n2 sont les indices de réfraction du coeur et de la gaine, respectivement.
2. Un procédé selon la revendication 1, dans lequel on chauffe la masse dans une gamme de températures de 1 100 à 1 400°C.
3. Un procédé selon la revendication 1 ou 2, dans lequel ledit composé gazeux à base de fluor est un gaz choisi parmi CF4, F2, SiF4, COF2, SF6 et CCl2F2.
4. Un procédé selon la revendication 3, dans lequel ledit composé gazeux à base de fluor est SF6.
5. Un procédé selon l'une quelconque des revendications précédentes, dans lequel ledit composé gazeux à base de chlore est un gaz choisi parmi C12, SOCI2, COCI2 et CCI4.
6. Un procédé selon la revendication 5, dans lequel le composé gazeux à base de chlore est Cl2.
7. Un procédé selon l'une quelconque des revendications précédentes, dans lequel la masse de fines particules de verre consiste principalement en SiO2 produit par une réaction d'hydrolyse à la flamme.
8. Un procédé selon l'une quelconque des revendications 1 à 6, dans lequel la masse de fines particules de verre est produite par une réaction d'hydrolyse en solution.
9. Un procédé selon l'une quelconque des revendications 1 à 6, dans lequel la masse de particules de verre consiste principalement en Si02 produit par un procédé sol-gel.
HK690/89A 1983-10-19 1989-08-24 Method for production of glass preform for optical fibers HK69089A (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP58194102A JPS6086045A (ja) 1983-10-19 1983-10-19 光フアイバ−用ガラス母材の製造方法
JP19410383A JPS6086046A (ja) 1983-10-19 1983-10-19 光フアイバ−用ガラス母材の製造法

Publications (1)

Publication Number Publication Date
HK69089A true HK69089A (en) 1989-09-01

Family

ID=26508305

Family Applications (1)

Application Number Title Priority Date Filing Date
HK690/89A HK69089A (en) 1983-10-19 1989-08-24 Method for production of glass preform for optical fibers

Country Status (7)

Country Link
US (1) US4812155A (fr)
EP (1) EP0140651B1 (fr)
AU (1) AU569757B2 (fr)
CA (1) CA1245108A (fr)
DE (1) DE3471090D1 (fr)
DK (1) DK158939C (fr)
HK (1) HK69089A (fr)

Families Citing this family (36)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
AU567192B2 (en) * 1983-02-08 1987-11-12 Nippon Telegraph & Telephone Corporation Optical fibre preform manufacture
US4586943A (en) * 1983-10-20 1986-05-06 Sumitomo Electric Industries, Ltd. Method for the production of glass preform for optical fibers
DE3476062D1 (en) * 1983-12-22 1989-02-16 American Telephone & Telegraph Fabrication of high-silica glass article
JPS60260430A (ja) * 1984-06-04 1985-12-23 Sumitomo Electric Ind Ltd フツ素をクラツド部に含有する光フアイバ用母材の製造方法
JPS60260436A (ja) * 1984-06-08 1985-12-23 Sumitomo Electric Ind Ltd 光フアイバ用ガラス母材の製造方法
JPS6186436A (ja) * 1984-10-05 1986-05-01 Sumitomo Electric Ind Ltd 光フアイバ用母材の製造方法
JPS61174146A (ja) * 1985-01-25 1986-08-05 Sumitomo Electric Ind Ltd 光フアイバ及びその製造方法
US5203899A (en) * 1985-03-18 1993-04-20 Sumitomo Electric Industries, Ltd. Method for producing glass preform for optical fiber
CA1290942C (fr) * 1985-03-18 1991-10-22 Michihisa Kyoto Methode de fabrication d'elements preformes, en verre, pour la production de fibres optiques
JPS62275035A (ja) * 1985-05-07 1987-11-30 Sumitomo Electric Ind Ltd 光フアイバ用母材の製造方法
DE3522194A1 (de) * 1985-06-21 1987-01-02 Philips Patentverwaltung Verfahren zur herstellung von glaskoerpern
JPH0791081B2 (ja) * 1986-07-03 1995-10-04 住友電気工業株式会社 シングルモ−ドフアイバ用ガラス母材の製造方法
US4836954A (en) * 1987-12-22 1989-06-06 Corning Glass Works Fluorinated phyllosilicate and method
US5071674A (en) * 1989-11-30 1991-12-10 The University Of Florida Method for producing large silica sol-gels doped with inorganic and organic compounds
US5039325A (en) * 1990-01-02 1991-08-13 At&T Bell Laboratories Method for consolidating doped glass using an encapsulating structure
US5076824A (en) * 1990-05-14 1991-12-31 At&T Bell Laboratories Method of making fiber optical preform with pyrolytic coated mandrel
JP3206916B2 (ja) * 1990-11-28 2001-09-10 住友電気工業株式会社 欠陥濃度低減方法、紫外線透過用光学ガラスの製造方法及び紫外線透過用光学ガラス
US5160521A (en) * 1991-06-21 1992-11-03 Tran Danh C Method for making optical fiber preforms
US6289698B1 (en) * 1996-08-02 2001-09-18 Corning Incorporated Method of making a fiber preform with increases in alumina concentration at radial distances
US6334338B1 (en) * 1998-07-02 2002-01-01 Lucent Technologies Inc. Sol gel process of making a fiber preform with removal of oxide particles
US6263706B1 (en) * 1999-03-30 2001-07-24 Deliso Evelyn M. Method of controlling fluorine doping in soot preforms
AU4486600A (en) * 1999-04-30 2000-11-17 Corning Incorporated Dispersion compensating fiber
JP2004509829A (ja) * 2000-09-27 2004-04-02 コーニング　インコーポレイテッド 多孔質ガラスプリフォームを乾燥するためのプロセス
US20020073740A1 (en) * 2000-12-20 2002-06-20 Dawes Steven B. Fluorine doping a soot preform
US20050120752A1 (en) * 2001-04-11 2005-06-09 Brown John T. Substantially dry, silica-containing soot, fused silica and optical fiber soot preforms, apparatus, methods and burners for manufacturing same
US20020197005A1 (en) * 2001-06-26 2002-12-26 Chang Kai H. Method and apparatus for fabricating optical fiber using adjustment of oxygen stoichiometry
US6813907B2 (en) * 2001-11-30 2004-11-09 Corning Incorporated Fluorine doping a soot preform
AU2002353049A1 (en) * 2001-12-14 2003-06-30 Corning Incorporated Two step etching process for an optical fiber preform
US6910352B2 (en) * 2002-04-24 2005-06-28 Corning Incorporated Deposition of high fluorine content silica soot
US20030221459A1 (en) * 2002-05-31 2003-12-04 Walczak Wanda J. Method for forming an optical waveguide fiber preform
US7105832B2 (en) * 2004-04-07 2006-09-12 Ut-Battelle, Llc Composite solid-state scintillators for neutron detection
US20110138861A1 (en) * 2009-12-15 2011-06-16 Baker Hughes Incorporated Optical fiber manufacturing method and apparatus
DE102013110177A1 (de) * 2013-09-16 2015-03-19 Heraeus Quarzglas Gmbh & Co. Kg Verfahren zur Herstellung von Eisen-dotiertem Kieselglas
DK3359498T3 (da) * 2015-10-09 2021-02-22 Prysmian Spa Fremgangsmåde til fremstilling af en glaskernepræform til optiske fibre
IT201800009920A1 (it) 2018-10-30 2020-04-30 Prysmian Spa Metodo per fabbricare una preforma di vetro per fibre ottiche
CN117361856A (zh) * 2023-11-21 2024-01-09 江苏亨芯石英科技有限公司 一种掺氟石英玻璃及其制备方法与应用

Family Cites Families (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3933454A (en) * 1974-04-22 1976-01-20 Corning Glass Works Method of making optical waveguides
FR2428618A1 (fr) * 1978-06-16 1980-01-11 Telecommunications Sa Procede de fabrication d'une ebauche en vue de la realisation d'un guide de lumiere et ebauche obtenue selon le procede
JPS6038345B2 (ja) * 1978-11-07 1985-08-31 日本電信電話株式会社 光伝送用ガラス素材の製造方法
JPS5844619B2 (ja) * 1979-09-26 1983-10-04 日本電信電話株式会社 光フアイバ母材の製造法
JPS5858292B2 (ja) * 1980-01-21 1983-12-24 株式会社日立製作所 シリカガラスの製造方法
DE3203349A1 (de) * 1981-11-28 1983-06-09 Licentia Patent-Verwaltungs-Gmbh, 6000 Frankfurt Verfahren und Vorrichtung zur Herstellung einer optischen Glasfaser mit geringem OH -Ionengehalt
US4426216A (en) * 1982-01-06 1984-01-17 Hitachi, Ltd. Process for producing optical glass
DE3205345A1 (de) * 1982-02-15 1983-09-01 Philips Patentverwaltung Gmbh, 2000 Hamburg "verfahren zur herstellung von fluordotierten lichtleitfasern"
DE3206176A1 (de) * 1982-02-20 1983-08-25 Licentia Patent-Verwaltungs-Gmbh, 6000 Frankfurt Verfahren zur herstellung einer vorform, aus der optische fasern ziehbar sind
JPS6037063B2 (ja) * 1982-11-19 1985-08-23 古河電気工業株式会社 無水プリフオ−ムロツドの製造方法
JPS6042242A (ja) * 1983-08-12 1985-03-06 Sumitomo Electric Ind Ltd 光フアイバ用ガラスの製造方法
US4629485A (en) * 1983-09-26 1986-12-16 Corning Glass Works Method of making fluorine doped optical preform and fiber and resultant articles

Also Published As

Publication number Publication date
EP0140651A1 (fr) 1985-05-08
DK158939B (da) 1990-08-06
DK497084D0 (da) 1984-10-17
EP0140651B1 (fr) 1988-05-11
AU3426784A (en) 1985-04-26
DE3471090T (fr) 1988-06-16
AU569757B2 (en) 1988-02-18
US4812155A (en) 1989-03-14
DE3471090D1 (en) 1988-06-16
CA1245108A (fr) 1988-11-22
DK158939C (da) 1991-01-14
DK497084A (da) 1985-04-20

Similar Documents

Publication Publication Date Title
EP0140651B1 (fr) Procédé de fabrication d'une préforme de verre pour fibres optiques
EP0161680B1 (fr) Méthode de fabrication d'une préforme en verre pour fibre optique
US5221309A (en) Method for producing glass preform for optical fiber
EP0139532B1 (fr) Procédé de fabrication d'une préforme en verre pour fibres optiques
EP0151438B1 (fr) Procédé de fabrication de préformes en verre pour fibres optiques
EP0160244B1 (fr) Fibre optique en verre de quartz
JP3845906B2 (ja) 合成シリカガラスの製造方法
JPS61247633A (ja) 光フアイバ−用ガラス母材の製造方法
US4812153A (en) Method of making a glass body having a graded refractive index profile
EP0167054B1 (fr) Procédé de fabrication d'une préforme pour fibre optique
EP0164103B1 (fr) Procédé pour la fabrication d'une préforme en verre pour fibres optiques contenant du fluor dans le revêtement
CA1171744A (fr) Methode de production de tiges-preformes pour la fabrication de fibres optiques
EP0164127B1 (fr) Procédé pour la fabrication d'une préforme en verre pour fibres optiques
KR870001738B1 (ko) 광 파이버용 유리모제의 제조방법
JPS6238292B2 (fr)
JPS632902B2 (fr)
JPH0463365B2 (fr)
JPH0355423B2 (fr)
JP2635563B2 (ja) 光伝送体用ガラス素材の製造方法
JPS61122133A (ja) 光フアイバ用ガラス母材の製造方法
JPH0660030B2 (ja) 光フアイバ用ガラス母材の製造方法
JPS6172643A (ja) 光フアイバ用母材の製造方法

Legal Events

Date Code Title Description
PC Patent ceased (i.e. patent has lapsed due to the failure to pay the renewal fee)