DK3931158T3 - Vakuumbaserede fremgangsmåder til dannelse af en stangbaseret optisk glasfiberpræform - Google Patents

Vakuumbaserede fremgangsmåder til dannelse af en stangbaseret optisk glasfiberpræform

Info

Publication number
DK3931158T3
DK3931158T3 DK20709097.8T DK20709097T DK3931158T3 DK 3931158 T3 DK3931158 T3 DK 3931158T3 DK 20709097 T DK20709097 T DK 20709097T DK 3931158 T3 DK3931158 T3 DK 3931158T3
Authority
DK
Denmark
Prior art keywords
vacuum
rod
forming
glass fiber
optical glass
Prior art date
Application number
DK20709097.8T
Other languages
English (en)
Inventor
Rostislav Radiyevich Khrapko
Original Assignee
Corning Inc
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 Corning Inc filed Critical Corning Inc
Application granted granted Critical
Publication of DK3931158T3 publication Critical patent/DK3931158T3/da

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
    • C03B37/01211—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
    • 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
    • C03B37/01248—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
    • 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
    • C03B37/0126—Means for supporting, rotating, translating the rod, tube or preform
    • 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
    • C03B2203/34—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
    • C03B37/02—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

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)
DK20709097.8T 2019-02-28 2020-02-06 Vakuumbaserede fremgangsmåder til dannelse af en stangbaseret optisk glasfiberpræform DK3931158T3 (da)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US201962811842P 2019-02-28 2019-02-28
PCT/US2020/017056 WO2020176216A1 (en) 2019-02-28 2020-02-06 Vacuum-based methods of forming a cane-based glass optical fiber preform

Publications (1)

Publication Number Publication Date
DK3931158T3 true DK3931158T3 (da) 2025-09-29

Family

ID=69740884

Family Applications (1)

Application Number Title Priority Date Filing Date
DK20709097.8T DK3931158T3 (da) 2019-02-28 2020-02-06 Vakuumbaserede fremgangsmåder til dannelse af en stangbaseret optisk glasfiberpræform

Country Status (6)

Country Link
US (2) US11370689B2 (da)
EP (1) EP3931158B1 (da)
JP (1) JP7679302B2 (da)
CN (2) CN113490649B (da)
DK (1) DK3931158T3 (da)
WO (1) WO2020176216A1 (da)

Families Citing this family (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2022026305A1 (en) 2020-07-27 2022-02-03 Corning Incorporated Low cross-talk multicore optical fiber for single mode operation
US11733449B2 (en) 2020-08-10 2023-08-22 Corning Incorporated Ultra-low-loss coupled-core multicore optical fibers
WO2022046705A1 (en) 2020-08-27 2022-03-03 Corning Incorporated Multicore optical fiber with depressed index common cladding
WO2022236305A1 (en) * 2021-05-06 2022-11-10 Heraeus Quartz North America Llc Process of makiin multi-core fiber preform by integrating core rods and cladding cylinder
CN117396447A (zh) * 2021-05-21 2024-01-12 康宁股份有限公司 基于坯棒的多纤芯光纤和形成方法
US12535637B2 (en) 2022-08-12 2026-01-27 Corning Incorporated Uncoupled multicore optical fiber with alkali doped, off-set trench cores
US20240069271A1 (en) 2022-08-26 2024-02-29 Corning Incorporated Uncoupled-core multicore optical fiber with reduced cross talk
US20250172747A1 (en) 2023-11-28 2025-05-29 Corning Incorporated Uncoupled multicore optical fiber with alkali doped cores
US20250172746A1 (en) 2023-11-28 2025-05-29 Corning Incorporated Uncoupled multicore optical fiber

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* Cited by examiner, † Cited by third party
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US4561871A (en) * 1983-12-27 1985-12-31 Corning Glass Works Method of making polarization preserving optical fiber
JPH0723228B2 (ja) * 1985-07-08 1995-03-15 住友電気工業株式会社 定偏波光フアイバの製造方法
JPH064490B2 (ja) * 1987-12-09 1994-01-19 住友電気工業株式会社 定偏波光フアイバの製造方法
FR2706025B1 (fr) 1993-06-03 1995-07-28 Air Liquide Installation de distillation d'air.
US5944667A (en) 1996-02-16 1999-08-31 L'oreal Device for evaluating the creasing of the skin in vivo
US5735927A (en) * 1996-06-28 1998-04-07 The United States Of America As Represented By The Secretary Of The Navy Method for producing core/clad glass optical fiber preforms using hot isostatic pressing
JP3836583B2 (ja) * 1997-11-05 2006-10-25 三菱電線工業株式会社 光ファイバ用母材の製造方法
KR100306381B1 (ko) * 1998-12-10 2001-11-30 윤종용 증착튜브의응축및클로징을위한광섬유모재제조장치및그방법
US6481721B1 (en) * 1999-07-15 2002-11-19 Lucent Technologies Inc. Method and apparatus for overcladding a glass rod
US6278821B1 (en) 1999-08-13 2001-08-21 Corning Incorporated Segmented cane mach-zehnder interferometer
US6418258B1 (en) 2000-06-09 2002-07-09 Gazillion Bits, Inc. Microstructured optical fiber with improved transmission efficiency and durability
US6574994B2 (en) * 2001-06-18 2003-06-10 Corning Incorporated Method of manufacturing multi-segmented optical fiber and preform
US20030079503A1 (en) 2001-10-26 2003-05-01 Cook Glen B. Direct bonding of glass articles for drawing
US20030164006A1 (en) 2001-10-26 2003-09-04 Buchanan Karl H. Direct bonding of glass articles for drawing
JP5176274B2 (ja) * 2003-05-19 2013-04-03 住友電気工業株式会社 光ファイバとその製造方法
US6925840B2 (en) * 2003-05-29 2005-08-09 Corning Incorporated Method of making a photonic crystal preform
US6993230B2 (en) 2003-08-01 2006-01-31 The United States Of America As Represented By The Secretary Of The Navy Hollow core photonic band gap infrared fibers
JP4179265B2 (ja) * 2003-10-30 2008-11-12 住友電気工業株式会社 光ファイバ母材及びその製造方法
US7496260B2 (en) 2007-03-27 2009-02-24 Imra America, Inc. Ultra high numerical aperture optical fibers
JP5513357B2 (ja) * 2010-12-15 2014-06-04 株式会社フジクラ 光ファイバ用母材の製造方法、及び、これを用いた光ファイバの製造方法
BR112013015795B1 (pt) * 2010-12-23 2019-10-01 Prysmian S.P.A. Métodos de fabricar uma pré-forma de fibra óptica, e de fabricar uma fibra óptica
US9212082B2 (en) * 2012-12-26 2015-12-15 Heraeus Quarzglas Gmbh & Co. Kg System and method for fabricating optical fiber preform and optical fiber
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
JP6402466B2 (ja) * 2014-03-31 2018-10-10 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
US10053386B2 (en) 2014-04-25 2018-08-21 Corning Incorporated Method for forming optical fiber and preforms
CN107406296B (zh) * 2015-06-02 2022-01-25 贺利氏石英北美有限责任公司 用于将芯杆插入到具有间隔件的外包覆管中的方法
JP6560178B2 (ja) * 2016-09-29 2019-08-14 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及びマルチコアファイバの製造方法
US11028004B2 (en) * 2017-02-26 2021-06-08 Anatoly Glass, Llc Twisted glass canes for artists
JP6919228B2 (ja) * 2017-02-28 2021-08-18 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
JP6606116B2 (ja) * 2017-03-24 2019-11-13 古河電気工業株式会社 光ファイバの製造方法

Also Published As

Publication number Publication date
US11370689B2 (en) 2022-06-28
CN113490649B (zh) 2024-03-08
JP7679302B2 (ja) 2025-05-19
EP3931158A1 (en) 2022-01-05
CN117720267A (zh) 2024-03-19
CN113490649A (zh) 2021-10-08
US20220306516A1 (en) 2022-09-29
US12091350B2 (en) 2024-09-17
JP2022521754A (ja) 2022-04-12
US20200277219A1 (en) 2020-09-03
WO2020176216A1 (en) 2020-09-03
EP3931158B1 (en) 2025-09-10

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