CN118434693A - 多芯光纤预成型件几何畸变的减少 - Google Patents

多芯光纤预成型件几何畸变的减少 Download PDF

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Publication number
CN118434693A
CN118434693A CN202380015276.4A CN202380015276A CN118434693A CN 118434693 A CN118434693 A CN 118434693A CN 202380015276 A CN202380015276 A CN 202380015276A CN 118434693 A CN118434693 A CN 118434693A
Authority
CN
China
Prior art keywords
core
cylinder
preform
cladding
peripheral
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.)
Pending
Application number
CN202380015276.4A
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English (en)
Chinese (zh)
Inventor
马秋林
章凯慧
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.)
Hollis Quartz North America Co ltd
Original Assignee
Hollis Quartz North America Co 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 Hollis Quartz North America Co ltd filed Critical Hollis Quartz North America Co ltd
Publication of CN118434693A publication Critical patent/CN118434693A/zh
Pending 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
    • C03B37/01205—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)
CN202380015276.4A 2022-01-14 2023-01-10 多芯光纤预成型件几何畸变的减少 Pending CN118434693A (zh)

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 (1)

Publication Number Publication Date
CN118434693A true CN118434693A (zh) 2024-08-02

Family

ID=85221950

Family Applications (1)

Application Number Title Priority Date Filing Date
CN202380015276.4A Pending CN118434693A (zh) 2022-01-14 2023-01-10 多芯光纤预成型件几何畸变的减少

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)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN120473050A (zh) * 2025-07-15 2025-08-12 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

Families Citing this family (2)

* 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

Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN86101341A (zh) * 1985-03-04 1986-09-03 住友电气工业株式会社 多芯光导纤维的制造方法
CN1216616A (zh) * 1996-04-23 1999-05-12 康宁股份有限公司 纵横比轴向减小的椭圆纤心光纤和制作方法
CN103048731A (zh) * 2012-12-31 2013-04-17 中国科学技术大学 任意偏振保持的新型高双折射率保偏光纤及其制造方法
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
CN108083628A (zh) * 2016-11-22 2018-05-29 赫罗伊斯·坦尼沃有限公司 用于制造玻璃预成型件的向上塌缩工艺和设备
JP2019006676A (ja) * 2018-09-07 2019-01-17 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

Family Cites Families (27)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS60172047A (ja) 1984-02-17 1985-09-05 Canon Inc 電子写真感光体及びそれを用いた画像形成方法
WO1999005550A1 (en) 1997-07-25 1999-02-04 Corning Incorporated Multicore glass optical fiber and methods of manufacturing such fibres
US7836728B2 (en) * 2007-05-09 2010-11-23 Ofs Fitel, Llc Increasing the cladding-to-core ratio (D/d) of low D/d ratio core rods in optical fiber performs
WO2009133634A1 (ja) * 2008-04-30 2009-11-05 古河電気工業株式会社 光ファイバおよび光学デバイス
CN102257415B (zh) * 2008-12-24 2013-10-16 古河电气工业株式会社 多芯光纤
JP2011095332A (ja) 2009-10-27 2011-05-12 Furukawa Electric Co Ltd:The 光ファイバの製造方法
JP2013030890A (ja) 2011-07-27 2013-02-07 Nippon Telegr & Teleph Corp <Ntt> 通信装置および通信方法
JP6036386B2 (ja) 2013-02-20 2016-11-30 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
US9213134B2 (en) * 2013-08-06 2015-12-15 Verizon Patent And Licensing Inc. Alignment for splicing multi-core optical fibers
JP6287164B2 (ja) * 2013-12-18 2018-03-07 住友電気工業株式会社 マルチコア光ファイバ、及び光モジュール
JP5889350B2 (ja) * 2014-03-06 2016-03-22 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
WO2016022151A1 (en) 2014-08-08 2016-02-11 Heraeus Tenevo Llc Methods and apparatus for determining geometric properties of optical fiber preforms
DK3247680T3 (da) 2015-01-22 2020-03-16 Heraeus Quartz North America Llc Dannelse af langstrakte glaskomponenter med ringe bøjning under anvendelse af en gribeanordning
JP6477160B2 (ja) 2015-03-31 2019-03-06 栗田工業株式会社 使用済みイオン交換樹脂の溶離方法および溶離装置
JP5995298B1 (ja) 2015-07-08 2016-09-21 日本電信電話株式会社 光ファイバ製造方法及び光ファイバ製造装置
EP3359498B1 (en) * 2015-10-09 2020-12-23 Prysmian S.p.A. Method for manufacturing a glass core preform for optical fibres
JP6709141B2 (ja) 2016-10-04 2020-06-10 日立オートモティブシステムズ株式会社 ブラシレスモータの駆動装置及び駆動方法
JP6870384B2 (ja) * 2017-02-28 2021-05-12 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
WO2018232172A1 (en) * 2017-06-16 2018-12-20 Intuitive Surgical Operations, Inc. Optical fiber with integrated absorber material
JP6935302B2 (ja) 2017-10-31 2021-09-15 古河電気工業株式会社 光ファイバの製造方法及び光ファイバ母材の製造方法
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
EP3683195B1 (en) 2019-01-15 2024-11-27 Heraeus Quartz North America LLC Automated large outside diameter preform tipping process
EP3931158B1 (en) * 2019-02-28 2025-09-10 Corning Incorporated Vacuum-based methods of forming a cane-based glass optical fiber preform
US11733449B2 (en) * 2020-08-10 2023-08-22 Corning Incorporated Ultra-low-loss coupled-core multicore optical fibers
CN117396447B (zh) * 2021-05-21 2026-05-05 康宁股份有限公司 基于坯棒的多纤芯光纤和形成方法
FR3123912B1 (fr) * 2021-06-15 2023-06-16 Draka Comteq France Procédé de fabrication d'une préforme pour une fibre optique multi-cœurs et procédé de fabrication de fibres optiques multi-cœurs.
WO2025213144A1 (en) * 2024-04-05 2025-10-09 Ofs Fitel, Llc Reduction of axial viscosity asymmetry to reduce geometrical distortions during optical fiber draw

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN86101341A (zh) * 1985-03-04 1986-09-03 住友电气工业株式会社 多芯光导纤维的制造方法
CN1216616A (zh) * 1996-04-23 1999-05-12 康宁股份有限公司 纵横比轴向减小的椭圆纤心光纤和制作方法
CN103048731A (zh) * 2012-12-31 2013-04-17 中国科学技术大学 任意偏振保持的新型高双折射率保偏光纤及其制造方法
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
CN108083628A (zh) * 2016-11-22 2018-05-29 赫罗伊斯·坦尼沃有限公司 用于制造玻璃预成型件的向上塌缩工艺和设备
JP2019006676A (ja) * 2018-09-07 2019-01-17 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

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN120473050A (zh) * 2025-07-15 2025-08-12 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

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JP7864833B2 (ja) 2026-05-25
US20250340477A1 (en) 2025-11-06
EP4463426A1 (en) 2024-11-20
JP2024546789A (ja) 2024-12-26
WO2023137269A1 (en) 2023-07-20

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