JP7794128B2 - 光ファイバ母材の製造方法及び光ファイバ母材 - Google Patents

光ファイバ母材の製造方法及び光ファイバ母材

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Publication number
JP7794128B2
JP7794128B2 JP2022546292A JP2022546292A JP7794128B2 JP 7794128 B2 JP7794128 B2 JP 7794128B2 JP 2022546292 A JP2022546292 A JP 2022546292A JP 2022546292 A JP2022546292 A JP 2022546292A JP 7794128 B2 JP7794128 B2 JP 7794128B2
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JP
Japan
Prior art keywords
optical fiber
glass
core portion
fiber preform
ppm
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.)
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Application number
JP2022546292A
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English (en)
Japanese (ja)
Other versions
JPWO2022050190A1 (https=
JPWO2022050190A5 (https=
Inventor
洋宇 佐久間
雄揮 川口
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
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Sumitomo Electric Industries Ltd
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Filing date
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Publication of JPWO2022050190A1 publication Critical patent/JPWO2022050190A1/ja
Publication of JPWO2022050190A5 publication Critical patent/JPWO2022050190A5/ja
Application granted granted Critical
Publication of JP7794128B2 publication Critical patent/JP7794128B2/ja
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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
    • C03B37/01211—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
    • 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
    • C03B37/01228—Removal of preform material
    • 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
    • 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]
    • 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]
    • C03B37/018—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
    • 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
    • C03B2201/20—Doped silica-based glasses doped with non-metals other than boron or 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
    • C03B2201/50—Doped silica-based glasses doped with metals, e.g. Ga, Sn, Sb, Pb or Bi doped with alkali metals
    • 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
    • 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
    • C03B37/01807—Reactant delivery systems, e.g. reactant deposition burners
    • 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)
  • Life Sciences & Earth Sciences (AREA)
  • General Life Sciences & Earth Sciences (AREA)
  • Geochemistry & Mineralogy (AREA)
  • Manufacturing & Machinery (AREA)
  • Materials Engineering (AREA)
  • Organic Chemistry (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • General Chemical & Material Sciences (AREA)
  • Glass Compositions (AREA)
  • Manufacture, Treatment Of Glass Fibers (AREA)
JP2022546292A 2020-09-03 2021-08-27 光ファイバ母材の製造方法及び光ファイバ母材 Active JP7794128B2 (ja)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
JP2020148202 2020-09-03
JP2020148202 2020-09-03
PCT/JP2021/031564 WO2022050190A1 (ja) 2020-09-03 2021-08-27 光ファイバ母材の製造方法及び光ファイバ母材

Publications (3)

Publication Number Publication Date
JPWO2022050190A1 JPWO2022050190A1 (https=) 2022-03-10
JPWO2022050190A5 JPWO2022050190A5 (https=) 2023-05-23
JP7794128B2 true JP7794128B2 (ja) 2026-01-06

Family

ID=80491753

Family Applications (1)

Application Number Title Priority Date Filing Date
JP2022546292A Active JP7794128B2 (ja) 2020-09-03 2021-08-27 光ファイバ母材の製造方法及び光ファイバ母材

Country Status (5)

Country Link
US (1) US12466757B2 (https=)
JP (1) JP7794128B2 (https=)
CN (1) CN115989197B (https=)
DK (1) DK182201B1 (https=)
WO (1) WO2022050190A1 (https=)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20230167002A1 (en) * 2021-11-30 2023-06-01 Corning Incorporated Optical fibers and method of making the same
WO2025070402A1 (ja) * 2023-09-29 2025-04-03 古河電気工業株式会社 マルチコアファイバ母材の製造方法およびマルチコアファイバの製造方法

Citations (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2005537210A (ja) 2002-08-28 2005-12-08 コーニング インコーポレイテッド 低損失光ファイバおよびその製造方法
WO2013111470A1 (ja) 2012-01-25 2013-08-01 住友電気工業株式会社 光ファイバ母材製造方法、光ファイバ母材、及び、光ファイバ
JP2015157726A (ja) 2014-02-24 2015-09-03 住友電気工業株式会社 光ファイバ及び光ファイバ母材製造方法
US20150316712A1 (en) 2003-08-29 2015-11-05 Corning Incorporated Optical fiber containing an alkali metal oxide and methods and apparatus for manufacturing same
WO2016021576A1 (ja) 2014-08-06 2016-02-11 古河電気工業株式会社 光ファイバ母材および光ファイバの製造方法
JP2017027050A (ja) 2015-07-24 2017-02-02 オーエフエス ファイテル，エルエルシー 低損失でナノスケール構造的に均一なコアを有する光ファイバ
WO2017164025A1 (ja) 2016-03-25 2017-09-28 住友電気工業株式会社 光ファイバ
JP2019019013A (ja) 2017-07-12 2019-02-07 住友電気工業株式会社 光ファイバ母材
WO2020027063A1 (ja) 2018-07-31 2020-02-06 住友電気工業株式会社 光ファイバ

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
AU8132398A (en) * 1997-06-18 1999-01-04 Dsm N.V. Radiation-curable optical fiber coatings having reduced yellowing and fast cure speed
EP1561765A4 (en) * 2002-11-08 2007-07-04 Mitsubishi Chem Corp RADIATION-HARDENING RESIN COMPOSITION AND HARDENED PRODUCT THEREOF
US7536076B2 (en) * 2006-06-21 2009-05-19 Corning Incorporated Optical fiber containing alkali metal oxide
JP5545236B2 (ja) 2011-02-03 2014-07-09 住友電気工業株式会社 光ファイバ母材製造方法
JP5974488B2 (ja) 2011-04-15 2016-08-23 住友電気工業株式会社 光ファイバおよび光ファイバ母材
WO2016013545A1 (ja) 2014-07-22 2016-01-28 住友電気工業株式会社 光ファイバ母材製造方法および光ファイバ母材

Patent Citations (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2005537210A (ja) 2002-08-28 2005-12-08 コーニング インコーポレイテッド 低損失光ファイバおよびその製造方法
US20150316712A1 (en) 2003-08-29 2015-11-05 Corning Incorporated Optical fiber containing an alkali metal oxide and methods and apparatus for manufacturing same
WO2013111470A1 (ja) 2012-01-25 2013-08-01 住友電気工業株式会社 光ファイバ母材製造方法、光ファイバ母材、及び、光ファイバ
JP2015157726A (ja) 2014-02-24 2015-09-03 住友電気工業株式会社 光ファイバ及び光ファイバ母材製造方法
WO2016021576A1 (ja) 2014-08-06 2016-02-11 古河電気工業株式会社 光ファイバ母材および光ファイバの製造方法
JP2017027050A (ja) 2015-07-24 2017-02-02 オーエフエス ファイテル，エルエルシー 低損失でナノスケール構造的に均一なコアを有する光ファイバ
WO2017164025A1 (ja) 2016-03-25 2017-09-28 住友電気工業株式会社 光ファイバ
JP2019019013A (ja) 2017-07-12 2019-02-07 住友電気工業株式会社 光ファイバ母材
WO2020027063A1 (ja) 2018-07-31 2020-02-06 住友電気工業株式会社 光ファイバ

Also Published As

Publication number Publication date
US20230322605A1 (en) 2023-10-12
CN115989197B (zh) 2025-10-14
DK182201B1 (en) 2025-11-20
DK202370061A1 (en) 2023-02-17
JPWO2022050190A1 (https=) 2022-03-10
US12466757B2 (en) 2025-11-11
CN115989197A (zh) 2023-04-18
WO2022050190A1 (ja) 2022-03-10

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