AU574176B2 - Producing optical fibre preforms - Google Patents

Producing optical fibre preforms

Info

Publication number
AU574176B2
AU574176B2 AU42552/85A AU4255285A AU574176B2 AU 574176 B2 AU574176 B2 AU 574176B2 AU 42552/85 A AU42552/85 A AU 42552/85A AU 4255285 A AU4255285 A AU 4255285A AU 574176 B2 AU574176 B2 AU 574176B2
Authority
AU
Australia
Prior art keywords
optical fibre
producing optical
fibre preforms
preforms
producing
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.)
Ceased
Application number
AU42552/85A
Other languages
English (en)
Other versions
AU4255285A (en
Inventor
Michihisa Kyoto
Shigeru Tanaka
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.)
Sumitomo Electric Industries Ltd
Original Assignee
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
Application filed by Sumitomo Electric Industries Ltd filed Critical Sumitomo Electric Industries Ltd
Publication of AU4255285A publication Critical patent/AU4255285A/en
Application granted granted Critical
Publication of AU574176B2 publication Critical patent/AU574176B2/en
Anticipated expiration legal-status Critical
Ceased 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
    • C03B37/014—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
    • 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
    • C03B2201/07—Impurity concentration specified
    • C03B2201/075—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
    • C03B2201/20—Doped silica-based glasses doped with non-metals other than boron or fluorine
    • C03B2201/28—Doped silica-based glasses doped with non-metals other than boron or fluorine doped with phosphorus
    • 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
    • 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
    • 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
    • C03B2203/26—Parabolic or graded index [GRIN] core profile
    • 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
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
    • Y02P40/00—Technologies relating to the processing of minerals
    • Y02P40/50—Glass production, e.g. reusing waste heat during processing or shaping
    • Y02P40/57—Improving the yield, e-g- reduction of reject rates

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)
  • Physics & Mathematics (AREA)
  • Thermal Sciences (AREA)
  • Manufacture, Treatment Of Glass Fibers (AREA)
  • Glass Compositions (AREA)
AU42552/85A 1984-06-08 1985-05-16 Producing optical fibre preforms Ceased AU574176B2 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP59116498A JPS60260436A (ja) 1984-06-08 1984-06-08 光フアイバ用ガラス母材の製造方法
JP59-116498 1984-06-08

Publications (2)

Publication Number Publication Date
AU4255285A AU4255285A (en) 1985-12-12
AU574176B2 true AU574176B2 (en) 1988-06-30

Family

ID=14688624

Family Applications (1)

Application Number Title Priority Date Filing Date
AU42552/85A Ceased AU574176B2 (en) 1984-06-08 1985-05-16 Producing optical fibre preforms

Country Status (8)

Country Link
EP (1) EP0164127B1 (OSRAM)
JP (1) JPS60260436A (OSRAM)
KR (1) KR890001124B1 (OSRAM)
CN (1) CN85102346A (OSRAM)
AU (1) AU574176B2 (OSRAM)
CA (1) CA1283543C (OSRAM)
DE (1) DE3573915D1 (OSRAM)
DK (1) DK163426C (OSRAM)

Families Citing this family (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2549615B2 (ja) * 1984-06-18 1996-10-30 住友電気工業株式会社 光フアイバ用ガラス母材の焼結方法
JPS6148437A (ja) * 1984-08-17 1986-03-10 Sumitomo Electric Ind Ltd ＧｅＯ↓２−ＳｉＯ↓２系ガラス母材の製造方法
US4969941A (en) * 1987-02-16 1990-11-13 Sumitomo Electric Industries, Ltd. Furnace for heating glass preform for optical fiber and method for producing glass preform
JP3424711B2 (ja) * 1995-11-09 2003-07-07 住友電気工業株式会社 光ファイバ用ガラス体及び光ファイバ
WO2002014231A2 (en) * 2000-08-10 2002-02-21 Yazaki Corporation Process for making glass bodies having refractive index gradients
US6715322B2 (en) * 2001-01-05 2004-04-06 Lucent Technologies Inc. Manufacture of depressed index optical fibers
CN106430913A (zh) * 2016-08-31 2017-02-22 中国建筑材料科学研究总院 低膨胀系数的石英玻璃的制备方法及石英玻璃
JP7024489B2 (ja) * 2018-02-21 2022-02-24 住友電気工業株式会社 光ファイバ用母材の製造方法

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
AU3328684A (en) * 1983-09-26 1985-04-04 Corning Glass Works Fluorine doped optical waveguide
AU3426684A (en) * 1983-02-08 1985-04-26 Nippon Telegraph & Telephone Corporation Optical fibre preform manufacture
AU3426784A (en) * 1983-10-19 1985-04-26 Nippon Telegraph & Telephone Corporation Optical fibre preform manufacture

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4304583A (en) * 1980-06-02 1981-12-08 Corning Glass Works Process for drying optical waveguide preforms

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
AU3426684A (en) * 1983-02-08 1985-04-26 Nippon Telegraph & Telephone Corporation Optical fibre preform manufacture
AU3328684A (en) * 1983-09-26 1985-04-04 Corning Glass Works Fluorine doped optical waveguide
AU3426784A (en) * 1983-10-19 1985-04-26 Nippon Telegraph & Telephone Corporation Optical fibre preform manufacture

Also Published As

Publication number Publication date
CN85102346A (zh) 1987-01-17
DK163426B (da) 1992-03-02
AU4255285A (en) 1985-12-12
KR890001124B1 (ko) 1989-04-24
CA1283543C (en) 1991-04-30
EP0164127A2 (en) 1985-12-11
DK163426C (da) 1992-07-20
KR860000222A (ko) 1986-01-27
DK258285A (da) 1985-12-09
DK258285D0 (da) 1985-06-07
EP0164127A3 (en) 1988-03-23
JPH0425213B2 (OSRAM) 1992-04-30
JPS60260436A (ja) 1985-12-23
EP0164127B1 (en) 1989-10-25
DE3573915D1 (en) 1989-11-30

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