JP7864833B2 - マルチコアファイバ母材の幾何学的歪みの低減 - Google Patents

マルチコアファイバ母材の幾何学的歪みの低減

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Publication number
JP7864833B2
JP7864833B2 JP2024534639A JP2024534639A JP7864833B2 JP 7864833 B2 JP7864833 B2 JP 7864833B2 JP 2024534639 A JP2024534639 A JP 2024534639A JP 2024534639 A JP2024534639 A JP 2024534639A JP 7864833 B2 JP7864833 B2 JP 7864833B2
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JP
Japan
Prior art keywords
core
cylinder
cladding
peripheral
core rod
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.)
Active
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JP2024534639A
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English (en)
Japanese (ja)
Other versions
JP2024546789A5 (cg-RX-API-DMAC7.html
JP2024546789A (ja
Inventor
マ，キューリン
フイ チャン，カイ
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 Quartz North America LLC
Original Assignee
Heraeus Quartz North America LLC
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
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Publication of JP2024546789A5 publication Critical patent/JP2024546789A5/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
    • C03B37/01225—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
    • C03B37/01242—Controlling or regulating the down-draw process
    • 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
    • C03B37/01222—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 multiple core 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
    • C03B37/012—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
    • C03B37/01205—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
    • C03B37/01245—Means for reducing the diameter of rods or tubes by drawing, e.g. for preform draw-down by drawing and collapsing
    • 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
    • C03B37/01248—Means for changing or stabilising the shape, e.g. diameter, of tubes or rods in general, e.g. collapsing by collapsing without drawing
    • 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

  • Engineering & Computer Science (AREA)
  • 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)
  • Manufacture, Treatment Of Glass Fibers (AREA)
  • Optical Fibers, Optical Fiber Cores, And Optical Fiber Bundles (AREA)
JP2024534639A 2022-01-14 2023-01-10 マルチコアファイバ母材の幾何学的歪みの低減 Active JP7864833B2 (ja)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
US202263299471P 2022-01-14 2022-01-14
US63/299,471 2022-01-14
PCT/US2023/060382 WO2023137269A1 (en) 2022-01-14 2023-01-10 Reduction of multi-core fiber preform geometric distortion

Publications (3)

Publication Number Publication Date
JP2024546789A JP2024546789A (ja) 2024-12-26
JP2024546789A5 JP2024546789A5 (cg-RX-API-DMAC7.html) 2025-09-03
JP7864833B2 true JP7864833B2 (ja) 2026-05-25

Family

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Family Applications (1)

Application Number Title Priority Date Filing Date
JP2024534639A Active JP7864833B2 (ja) 2022-01-14 2023-01-10 マルチコアファイバ母材の幾何学的歪みの低減

Country Status (5)

Country Link
US (1) US20250340477A1 (cg-RX-API-DMAC7.html)
EP (1) EP4463426A1 (cg-RX-API-DMAC7.html)
JP (1) JP7864833B2 (cg-RX-API-DMAC7.html)
CN (1) CN118434693A (cg-RX-API-DMAC7.html)
WO (1) WO2023137269A1 (cg-RX-API-DMAC7.html)

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* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2024134645A (ja) * 2023-03-22 2024-10-04 古河電気工業株式会社 マルチコアファイバ母材およびその製造方法、ならびにマルチコアファイバおよびその製造方法
WO2025204844A1 (ja) * 2024-03-26 2025-10-02 東レ株式会社 マルチコアプラスチック光ファイバ、光通信ケーブル、および光通信システム
CN120473050B (zh) * 2025-07-15 2025-09-09 山东太平洋光纤光缆有限公司 光纤预制棒拉伸工艺仿真方法

Citations (4)

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WO2014129553A1 (ja) 2013-02-20 2014-08-28 住友電気工業株式会社 母材製造方法
JP2015151328A (ja) 2014-02-19 2015-08-24 住友電気工業株式会社 マルチコア光ファイバ母材製造方法
WO2015133239A1 (ja) 2014-03-06 2015-09-11 古河電気工業株式会社 光ファイバ母材の製造方法および光ファイバの製造方法
JP2018083751A (ja) 2016-11-22 2018-05-31 ヘレーウス テネーヴォ エルエルシーＨｅｒａｅｕｓ Ｔｅｎｅｖｏ Ｌｌｃ ガラス母材を作製するための上向き圧潰プロセス及び装置

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JP6992648B2 (ja) 2018-03-28 2022-01-13 住友電気工業株式会社 マルチコア光ファイバの製造方法およびマルチコア光ファイバ
JP6824233B2 (ja) * 2018-09-07 2021-02-03 ヘレーウス クオーツ ノース アメリカ エルエルシーＨｅｒａｅｕｓ Ｑｕａｒｔｚ Ｎｏｒｔｈ Ａｍｅｒｉｃａ ＬＬＣ 石英ガラス製品及び石英ガラス光学部材の形成方法
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JP2015151328A (ja) 2014-02-19 2015-08-24 住友電気工業株式会社 マルチコア光ファイバ母材製造方法
WO2015133239A1 (ja) 2014-03-06 2015-09-11 古河電気工業株式会社 光ファイバ母材の製造方法および光ファイバの製造方法
JP2018083751A (ja) 2016-11-22 2018-05-31 ヘレーウス テネーヴォ エルエルシーＨｅｒａｅｕｓ Ｔｅｎｅｖｏ Ｌｌｃ ガラス母材を作製するための上向き圧潰プロセス及び装置

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US20250340477A1 (en) 2025-11-06
EP4463426A1 (en) 2024-11-20
JP2024546789A (ja) 2024-12-26
WO2023137269A1 (en) 2023-07-20
CN118434693A (zh) 2024-08-02

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