JPWO2022172910A1 - - Google Patents

Info

Publication number
JPWO2022172910A1
JPWO2022172910A1 JP2022580630A JP2022580630A JPWO2022172910A1 JP WO2022172910 A1 JPWO2022172910 A1 JP WO2022172910A1 JP 2022580630 A JP2022580630 A JP 2022580630A JP 2022580630 A JP2022580630 A JP 2022580630A JP WO2022172910 A1 JPWO2022172910 A1 JP WO2022172910A1
Authority
JP
Japan
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.)
Pending
Application number
JP2022580630A
Other languages
Japanese (ja)
Other versions
JPWO2022172910A5 (https=
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 filed Critical
Publication of JPWO2022172910A1 publication Critical patent/JPWO2022172910A1/ja
Publication of JPWO2022172910A5 publication Critical patent/JPWO2022172910A5/ja
Pending legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G02—OPTICS
    • G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B6/00—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings
    • G02B6/02—Optical fibres with cladding with or without a coating
    • G02B6/024—Optical fibres with cladding with or without a coating with polarisation maintaining properties
    • 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
    • C03B37/01217—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 for making preforms of polarisation-maintaining optical fibres
    • 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
    • C03B37/02—Manufacture of glass fibres or filaments by drawing or extruding, e.g. direct drawing of molten glass from nozzles; Cooling fins therefor
    • C03B37/025—Manufacture of glass fibres or filaments by drawing or extruding, e.g. direct drawing of molten glass from nozzles; Cooling fins therefor from reheated softened tubes, rods, fibres or filaments, e.g. drawing fibres from preforms
    • C03B37/027—Fibres composed of different sorts of glass, e.g. glass optical fibres
    • C03B37/02709—Polarisation maintaining fibres, e.g. PM, PANDA, bi-refringent optical fibres
    • G—PHYSICS
    • G02—OPTICS
    • G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B6/00—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings
    • G02B6/02—Optical fibres with cladding with or without a coating
    • G02B6/02042—Multicore optical fibres
    • G—PHYSICS
    • G02—OPTICS
    • G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B6/00—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings
    • G02B6/02—Optical fibres with cladding with or without a coating
    • G02B6/036—Optical fibres with cladding with or without a coating core or cladding comprising multiple layers
    • 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
    • C03B2201/10—Doped silica-based glasses doped with boron or fluorine or other refractive index decreasing dopant doped with boron
    • 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
    • C03B2201/31—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
    • C03B2203/23—Double or multiple optical cladding profiles
    • C—CHEMISTRY; METALLURGY
    • C03—GLASS; MINERAL OR SLAG WOOL
    • C03B—MANUFACTURE, SHAPING, OR SUPPLEMENTARY PROCESSES
    • C03B2203/00—Fibre product details, e.g. structure, shape
    • C03B2203/30—Polarisation maintaining [PM], i.e. birefringent products, e.g. with elliptical core, by use of stress rods, "PANDA" type fibres
    • C—CHEMISTRY; METALLURGY
    • C03—GLASS; MINERAL OR SLAG WOOL
    • C03B—MANUFACTURE, SHAPING, OR SUPPLEMENTARY PROCESSES
    • C03B2203/00—Fibre product details, e.g. structure, shape
    • C03B2203/30—Polarisation maintaining [PM], i.e. birefringent products, e.g. with elliptical core, by use of stress rods, "PANDA" type fibres
    • C03B2203/31—Polarisation maintaining [PM], i.e. birefringent products, e.g. with elliptical core, by use of stress rods, "PANDA" type fibres by use of stress-imparting rods, e.g. by insertion
    • 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
    • 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
    • C03B37/01231—Removal of preform material to form a longitudinal hole, e.g. by drilling
    • 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
    • C03B37/014—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]

Landscapes

  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Physics & Mathematics (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • General Life Sciences & Earth Sciences (AREA)
  • Geochemistry & Mineralogy (AREA)
  • Manufacturing & Machinery (AREA)
  • Materials Engineering (AREA)
  • Organic Chemistry (AREA)
  • General Physics & Mathematics (AREA)
  • Optics & Photonics (AREA)
  • Optical Fibers, Optical Fiber Cores, And Optical Fiber Bundles (AREA)
JP2022580630A 2021-02-12 2022-02-08 Pending JPWO2022172910A1 (https=)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP2021020621 2021-02-12
PCT/JP2022/004871 WO2022172910A1 (ja) 2021-02-12 2022-02-08 偏波保持光ファイバ及び偏波保持光ファイバの製造方法

Publications (2)

Publication Number Publication Date
JPWO2022172910A1 true JPWO2022172910A1 (https=) 2022-08-18
JPWO2022172910A5 JPWO2022172910A5 (https=) 2023-11-07

Family

ID=82837844

Family Applications (1)

Application Number Title Priority Date Filing Date
JP2022580630A Pending JPWO2022172910A1 (https=) 2021-02-12 2022-02-08

Country Status (6)

Country Link
US (1) US20240085618A1 (https=)
EP (1) EP4292990B1 (https=)
JP (1) JPWO2022172910A1 (https=)
CN (1) CN116783525A (https=)
DK (1) DK4292990T3 (https=)
WO (1) WO2022172910A1 (https=)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPWO2025004909A1 (https=) * 2023-06-28 2025-01-02
CN118409388A (zh) * 2024-06-24 2024-07-30 中国工程物理研究院激光聚变研究中心 一种具有低折射率区域的保偏光纤

Citations (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS61267707A (ja) * 1985-05-22 1986-11-27 Sumitomo Electric Ind Ltd サイドトンネル型定偏波光フアイバ
JP2003029072A (ja) * 2001-07-11 2003-01-29 Fujikura Ltd 偏波面保存型光ファイバ
JP2003337238A (ja) * 2002-03-15 2003-11-28 Fujikura Ltd 偏波保持光ファイバ
US20090080843A1 (en) * 2007-07-31 2009-03-26 Dana Craig Bookbinder Polarization Maintaining And Single Polarization Optical Fiber
US20130071082A1 (en) * 2010-05-13 2013-03-21 Coractive High-Tech Inc. High birefringence polarization-maintaining optical fiber based on multi component silica glass
JP2013080126A (ja) * 2011-10-04 2013-05-02 Sumitomo Electric Ind Ltd 偏波保持マルチコア光ファイバ
JP2015184371A (ja) * 2014-03-20 2015-10-22 株式会社フジクラ 偏波保持光ファイバ
JP2017016002A (ja) * 2015-07-02 2017-01-19 株式会社フジクラ マルチコア偏波保持ファイバ
JP2018512618A (ja) * 2015-03-20 2018-05-17 コーニング インコーポレイテッド 偏波保持光ファイバ

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP2174172B1 (en) * 2007-07-31 2017-06-21 Corning Incorporated Polarization maintaining and single polarization optical fiber comprising boron-fluorine doped stress members
WO2012046696A1 (ja) * 2010-10-05 2012-04-12 株式会社フジクラ 偏波保持光ファイバ
US8977095B2 (en) * 2012-09-24 2015-03-10 Corning Incorporated Polarization maintaining optical fibers with intracore stress mechanisms
US20160033720A1 (en) * 2014-07-29 2016-02-04 Ofs Fitel, Llc Polarization-maintaining (pm) double-clad (dc) optical fiber
JP7113792B2 (ja) 2019-07-30 2022-08-05 近畿車輌株式会社 送風構造

Patent Citations (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS61267707A (ja) * 1985-05-22 1986-11-27 Sumitomo Electric Ind Ltd サイドトンネル型定偏波光フアイバ
JP2003029072A (ja) * 2001-07-11 2003-01-29 Fujikura Ltd 偏波面保存型光ファイバ
JP2003337238A (ja) * 2002-03-15 2003-11-28 Fujikura Ltd 偏波保持光ファイバ
US20090080843A1 (en) * 2007-07-31 2009-03-26 Dana Craig Bookbinder Polarization Maintaining And Single Polarization Optical Fiber
US20130071082A1 (en) * 2010-05-13 2013-03-21 Coractive High-Tech Inc. High birefringence polarization-maintaining optical fiber based on multi component silica glass
JP2013080126A (ja) * 2011-10-04 2013-05-02 Sumitomo Electric Ind Ltd 偏波保持マルチコア光ファイバ
JP2015184371A (ja) * 2014-03-20 2015-10-22 株式会社フジクラ 偏波保持光ファイバ
JP2018512618A (ja) * 2015-03-20 2018-05-17 コーニング インコーポレイテッド 偏波保持光ファイバ
JP2017016002A (ja) * 2015-07-02 2017-01-19 株式会社フジクラ マルチコア偏波保持ファイバ

Also Published As

Publication number Publication date
US20240085618A1 (en) 2024-03-14
EP4292990A4 (en) 2024-12-25
CN116783525A (zh) 2023-09-19
EP4292990B1 (en) 2025-10-29
EP4292990A1 (en) 2023-12-20
DK4292990T3 (da) 2025-12-08
WO2022172910A1 (ja) 2022-08-18

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