JP7485253B1 - 中空コアファイバおよび中空コアファイバの製造方法 - Google Patents

中空コアファイバおよび中空コアファイバの製造方法 Download PDF

Info

Publication number
JP7485253B1
JP7485253B1 JP2024504251A JP2024504251A JP7485253B1 JP 7485253 B1 JP7485253 B1 JP 7485253B1 JP 2024504251 A JP2024504251 A JP 2024504251A JP 2024504251 A JP2024504251 A JP 2024504251A JP 7485253 B1 JP7485253 B1 JP 7485253B1
Authority
JP
Japan
Prior art keywords
hollow
core fiber
region
glass structure
solid
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
Application number
JP2024504251A
Other languages
English (en)
Japanese (ja)
Other versions
JPWO2024101065A1 (https=
JPWO2024101065A5 (https=
Inventor
正 榎本
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
Original Assignee
Sumitomo Electric Industries 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 Sumitomo Electric Industries Ltd filed Critical Sumitomo Electric Industries Ltd
Priority claimed from PCT/JP2023/037065 external-priority patent/WO2024101065A1/ja
Priority to JP2024069590A priority Critical patent/JP2024102136A/ja
Application granted granted Critical
Publication of JP7485253B1 publication Critical patent/JP7485253B1/ja
Publication of JPWO2024101065A1 publication Critical patent/JPWO2024101065A1/ja
Publication of JPWO2024101065A5 publication Critical patent/JPWO2024101065A5/ja
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Images

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
    • C03B37/0122—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 photonic crystal, microstructured or holey 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
    • C03B37/022—Manufacture of glass fibres or filaments by drawing or extruding, e.g. direct drawing of molten glass from nozzles; Cooling fins therefor from molten glass in which the resultant product consists of different sorts of glass or is characterised by shape, e.g. hollow fibres, undulated fibres, fibres presenting a rough surface
    • C03B37/023—Fibres composed of different sorts of glass, e.g. glass optical fibres, made by the double crucible technique
    • 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
    • C03B37/02781—Hollow fibres, e.g. holey 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
    • G02B6/02295—Microstructured optical fibre
    • G02B6/02314—Plurality of longitudinal structures extending along optical fibre axis, e.g. holes
    • G02B6/02319—Plurality of longitudinal structures extending along optical fibre axis, e.g. holes characterised by core or core-cladding interface features
    • G02B6/02323—Core having lower refractive index than cladding, e.g. photonic band gap guiding
    • G02B6/02328—Hollow or gas filled core
    • 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
    • G02B6/02295—Microstructured optical fibre
    • G02B6/02314—Plurality of longitudinal structures extending along optical fibre axis, e.g. holes
    • G02B6/02342—Plurality of longitudinal structures extending along optical fibre axis, e.g. holes characterised by cladding features, i.e. light confining region
    • G02B6/02361—Longitudinal structures forming multiple layers around the core, e.g. arranged in multiple rings with each ring having longitudinal elements at substantially the same radial distance from the core, having rotational symmetry about the fibre axis
    • 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
    • G02B6/02295—Microstructured optical fibre
    • G02B6/02314—Plurality of longitudinal structures extending along optical fibre axis, e.g. holes
    • G02B6/02342—Plurality of longitudinal structures extending along optical fibre axis, e.g. holes characterised by cladding features, i.e. light confining region
    • G02B6/02366—Single ring of structures, e.g. "air clad"
    • 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
    • G02B6/032—Optical fibres with cladding with or without a coating with non solid core or cladding
    • 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
    • C03B2203/14—Non-solid, i.e. hollow products, e.g. hollow clad or with core-clad interface
    • 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
    • C03B2203/14—Non-solid, i.e. hollow products, e.g. hollow clad or with core-clad interface
    • C03B2203/16—Hollow core
    • C—CHEMISTRY; METALLURGY
    • C03—GLASS; MINERAL OR SLAG WOOL
    • C03B—MANUFACTURE, SHAPING, OR SUPPLEMENTARY PROCESSES
    • C03B2203/00—Fibre product details, e.g. structure, shape
    • C03B2203/42—Photonic crystal fibres, e.g. fibres using the photonic bandgap PBG effect, microstructured or holey optical fibres
    • C—CHEMISTRY; METALLURGY
    • C03—GLASS; MINERAL OR SLAG WOOL
    • C03B—MANUFACTURE, SHAPING, OR SUPPLEMENTARY PROCESSES
    • C03B2205/00—Fibre drawing or extruding details
    • C03B2205/10—Fibre drawing or extruding details pressurised

Landscapes

  • Physics & Mathematics (AREA)
  • Chemical & Material Sciences (AREA)
  • Optics & Photonics (AREA)
  • Engineering & Computer Science (AREA)
  • General Physics & Mathematics (AREA)
  • Geochemistry & Mineralogy (AREA)
  • General Life Sciences & Earth Sciences (AREA)
  • Manufacturing & Machinery (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Materials Engineering (AREA)
  • Organic Chemistry (AREA)
  • Crystallography & Structural Chemistry (AREA)
  • Optical Fibers, Optical Fiber Cores, And Optical Fiber Bundles (AREA)
  • Manufacture, Treatment Of Glass Fibers (AREA)
JP2024504251A 2022-11-11 2023-10-12 中空コアファイバおよび中空コアファイバの製造方法 Active JP7485253B1 (ja)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP2024069590A JP2024102136A (ja) 2022-11-11 2024-04-23 中空コアファイバの製造方法

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
JP2022181193 2022-11-11
JP2022181193 2022-11-11
PCT/JP2023/037065 WO2024101065A1 (ja) 2022-11-11 2023-10-12 中空コアファイバおよび中空コアファイバの製造方法

Related Child Applications (1)

Application Number Title Priority Date Filing Date
JP2024069590A Division JP2024102136A (ja) 2022-11-11 2024-04-23 中空コアファイバの製造方法

Publications (3)

Publication Number Publication Date
JP7485253B1 true JP7485253B1 (ja) 2024-05-16
JPWO2024101065A1 JPWO2024101065A1 (https=) 2024-05-16
JPWO2024101065A5 JPWO2024101065A5 (https=) 2024-10-09

Family

ID=91030885

Family Applications (2)

Application Number Title Priority Date Filing Date
JP2024504251A Active JP7485253B1 (ja) 2022-11-11 2023-10-12 中空コアファイバおよび中空コアファイバの製造方法
JP2024069590A Pending JP2024102136A (ja) 2022-11-11 2024-04-23 中空コアファイバの製造方法

Family Applications After (1)

Application Number Title Priority Date Filing Date
JP2024069590A Pending JP2024102136A (ja) 2022-11-11 2024-04-23 中空コアファイバの製造方法

Country Status (4)

Country Link
US (1) US20250164688A1 (https=)
EP (1) EP4617738A4 (https=)
JP (2) JP7485253B1 (https=)
CN (1) CN120035779A (https=)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2026021396A1 (zh) * 2024-07-23 2026-01-29 中国移动通信有限公司研究院 空芯光纤

Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2002323625A (ja) * 2001-04-25 2002-11-08 Sumitomo Electric Ind Ltd 光ファイバの端面部構造および光ファイバ
JP2017015881A (ja) * 2015-06-30 2017-01-19 三菱電線工業株式会社 光ファイバ及び導光部材
US20200115270A1 (en) * 2017-03-14 2020-04-16 Nanyang Technological University Fiber preform, optical fiber and methods for forming the same
JP2022502716A (ja) * 2018-10-03 2022-01-11 ルメニシティ・リミテッド 光導波路アダプタ組立体
WO2022044891A1 (ja) * 2020-08-25 2022-03-03 株式会社ヨコオ 光ファイバ終端構造、光接続部品および中空コア光ファイバ
JP2022530426A (ja) * 2019-04-24 2022-06-29 ユニバーシティ、オブ、サウサンプトン 反共振中空コアファイバ、そのためのプリフォームおよび製作方法
JP2022541098A (ja) * 2019-07-17 2022-09-22 ヘレーウス クヴァルツグラース ゲゼルシャフト ミット ベシュレンクテル ハフツング ウント コンパニー コマンディートゲゼルシャフト 中空コアファイバの製造方法および中空コアファイバ用プリフォームの製造方法

Family Cites Families (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB0214118D0 (en) * 2002-06-19 2002-07-31 Blazephotonics Ltd Improvements in and relating to optical fibres
GB0314485D0 (en) * 2003-06-20 2003-07-23 Blazephotonics Ltd Enhanced optical waveguide
US7321712B2 (en) * 2002-12-20 2008-01-22 Crystal Fibre A/S Optical waveguide
US7403689B2 (en) * 2003-11-19 2008-07-22 Corning Incorporated Active photonic band-gap optical fiber
US7280730B2 (en) * 2004-01-16 2007-10-09 Imra America, Inc. Large core holey fibers
GB0719376D0 (en) 2007-10-03 2007-11-14 Univ Bath Hollow-core photonic crystal fibre
US8285098B2 (en) * 2009-03-31 2012-10-09 Imra America, Inc. Wide bandwidth, low loss photonic bandgap fibers
JP5679420B2 (ja) * 2010-09-28 2015-03-04 株式会社フジクラ ソリッドフォトニックバンドギャップファイバおよび該ファイバを用いたファイバモジュールおよびファイバアンプ、ファイバレーザ
WO2014132963A1 (ja) * 2013-02-26 2014-09-04 株式会社フジクラ フォトニックバンドギャップファイバ用母材の製造方法、フォトニックバンドギャップファイバの製造方法、フォトニックバンドギャップファイバ用母材、及び、フォトニックバンドギャップファイバ
DE102015009017A1 (de) 2015-07-10 2017-01-12 Liebherr-Verzahntechnik Gmbh Verfahren zur Herstellung eines verzahnten Werkstückes mit modifizierter Oberflächengeometrie
EP3652571A4 (en) * 2017-07-13 2020-12-16 Nanyang Technological University FIBER PREFORM, FIBER OPTIC, ASSOCIATED TRAINING PROCESSES, AND OPTICAL DEVICES HAVING FIBER OPTIC
JP2022181193A (ja) 2021-05-25 2022-12-07 有限会社横川鉄工所 簡易水栓及び簡易手洗い装置

Patent Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2002323625A (ja) * 2001-04-25 2002-11-08 Sumitomo Electric Ind Ltd 光ファイバの端面部構造および光ファイバ
JP2017015881A (ja) * 2015-06-30 2017-01-19 三菱電線工業株式会社 光ファイバ及び導光部材
US20200115270A1 (en) * 2017-03-14 2020-04-16 Nanyang Technological University Fiber preform, optical fiber and methods for forming the same
JP2022502716A (ja) * 2018-10-03 2022-01-11 ルメニシティ・リミテッド 光導波路アダプタ組立体
JP2022530426A (ja) * 2019-04-24 2022-06-29 ユニバーシティ、オブ、サウサンプトン 反共振中空コアファイバ、そのためのプリフォームおよび製作方法
JP2022541098A (ja) * 2019-07-17 2022-09-22 ヘレーウス クヴァルツグラース ゲゼルシャフト ミット ベシュレンクテル ハフツング ウント コンパニー コマンディートゲゼルシャフト 中空コアファイバの製造方法および中空コアファイバ用プリフォームの製造方法
WO2022044891A1 (ja) * 2020-08-25 2022-03-03 株式会社ヨコオ 光ファイバ終端構造、光接続部品および中空コア光ファイバ

Non-Patent Citations (8)

* Cited by examiner, † Cited by third party
Title
HOSEN, M. S. et al.，Single Polarization Low Loss Highly Birefringent Hollow-Core Antiresonant Fiber，3RD INTERNATIONAL CONFERENCE ON ELECTRICAL & ELECTRONIC ENGINEERING (ICEEE)，2021年12月22日，pp.141-144
HOSEN, M. S. ET AL.: "Single Polarization Low Loss Highly Birefringent Hollow-Core Antiresonant Fiber", 3RD INTERNATIONAL CONFERENCE ON ELECTRICAL & ELECTRONIC ENGINEERING (ICEEE), JPN6024012257, 22 December 2021 (2021-12-22), pages 141 - 144, ISSN: 0005297752 *
VAN PUTTEN, L. D. et al.，Optimizing the Curvature of Elliptical Cladding Elements to Reduce Leakage Loss in Antiresonant Hollow Core Fibres，42ND EUROPEAN CONFERENCE AND EXHIBITION ON OPTICAL COMMUNICATIONS，2016年09月18日，pp.1034-1036
VAN PUTTEN, L. D. ET AL.: "Optimizing the Curvature of Elliptical Cladding Elements to Reduce Leakage Loss in Antiresonant Holl", 42ND EUROPEAN CONFERENCE AND EXHIBITION ON OPTICAL COMMUNICATIONS, JPN6024012260, 18 September 2016 (2016-09-18), pages 1034 - 1036, ISSN: 0005297755 *
WEI, D. et al.，Recent Progress in Low-Loss Hollow-Core Anti-Resonant Fibers and Their Applications，IEEE JOURNAL OF SELECTED TOPICS IN QUANTUM ELECTRONICS，Vol. 26, No. 4，pp.4400312-1- 4400312-12
WEI, D. ET AL.: "Recent Progress in Low-Loss Hollow-Core Anti-Resonant Fibers and Their Applications", IEEE JOURNAL OF SELECTED TOPICS IN QUANTUM ELECTRONICS, vol. 26, no. 4, JPN6024012259, pages 4400312 - 1, ISSN: 0005297754 *
WU, D. et al.，Dependence of Waveguide Properties of Anti-Resonant Hollow- Core Fiber on Refractive Index of Cladding Material，JOURNAL OF LIGHTWAVE TECHNOLOGY，2019年11月01日，Vol. 37, No. 21，pp.5593-5599
WU, D. ET AL.: "Dependence of Waveguide Properties of Anti-Resonant Hollow- Core Fiber on Refractive Index of Claddi", JOURNAL OF LIGHTWAVE TECHNOLOGY, vol. 37, no. 21, JPN6024012258, 1 November 2019 (2019-11-01), pages 5593 - 5599, ISSN: 0005297753 *

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2026021396A1 (zh) * 2024-07-23 2026-01-29 中国移动通信有限公司研究院 空芯光纤

Also Published As

Publication number Publication date
CN120035779A (zh) 2025-05-23
JPWO2024101065A1 (https=) 2024-05-16
EP4617738A4 (en) 2026-03-11
JP2024102136A (ja) 2024-07-30
US20250164688A1 (en) 2025-05-22
EP4617738A1 (en) 2025-09-17

Similar Documents

Publication Publication Date Title
JP4666548B2 (ja) フォトニック結晶ファイバ及びこれに係る改良
US6652163B2 (en) Splice joint and process for joining a microstructured optical fiber and a conventional optical fiber
JP5723291B2 (ja) ２本の光ファイバー間にスプライス接合部を作製する方法
US9529149B2 (en) Optical fiber microwire devices and manufacture method thereof
JP6921021B2 (ja) 光システムとともに用いられるクラッドモードストリッパー及び同クラッドモードストリッパーを形成する方法
JP7485253B1 (ja) 中空コアファイバおよび中空コアファイバの製造方法
US12066655B2 (en) Terminated hollow-core fiber with endcap
JP5117131B2 (ja) ホーリーファイバおよびホーリーファイバの製造方法
CN100561263C (zh) 光子晶体光纤的连接方法以及连接结构
EP4010744B1 (en) Optical fibre splicing method
CN114127599B (zh) 光纤、激光生成装置、激光加工装置以及光纤的制造方法
JPH07504767A (ja) 光ファイバ減衰器
WO2024101065A1 (ja) 中空コアファイバおよび中空コアファイバの製造方法
JP7036027B2 (ja) 光ファイバ線路および光ファイバ線路製造方法
US7458734B2 (en) Method of splicing an optical fiber with holes in the cladding
US20060062533A1 (en) Photonic crystal fiber, method of manufacturing the crystal fiber, and method of connecting the fiber
CN102257417A (zh) 两光学纤维间的接头及制造此类接头的方法
WO2018061725A1 (ja) 中間クラッドの屈折率が内部クラッドの屈折率より小さい光ファイバコンバイナ、光ファイバ及びレーザ装置
JP2016151651A (ja) 光ファイバ及び光伝送システム
JP6853291B2 (ja) レーザ装置の製造方法
JP2004219890A (ja) 多孔構造光ファイバとそれを使用した光線入射方法
WO2020040220A1 (ja) 光ファイバ線路、モジュールおよび光ファイバ線路製造方法
CN115698794A (zh) 光合并器以及激光装置
JP2005202200A (ja) 光ファイバコリメータ及び光部品
JP2003177257A (ja) 長周期グレーティング用光ファイバ、長周期グレーティング部品およびその製造方法

Legal Events

Date Code Title Description
A521 Request for written amendment filed

Free format text: JAPANESE INTERMEDIATE CODE: A523

Effective date: 20240123

A621 Written request for application examination

Free format text: JAPANESE INTERMEDIATE CODE: A621

Effective date: 20240123

A871 Explanation of circumstances concerning accelerated examination

Free format text: JAPANESE INTERMEDIATE CODE: A871

Effective date: 20240123

TRDD Decision of grant or rejection written
A01 Written decision to grant a patent or to grant a registration (utility model)

Free format text: JAPANESE INTERMEDIATE CODE: A01

Effective date: 20240402

A61 First payment of annual fees (during grant procedure)

Free format text: JAPANESE INTERMEDIATE CODE: A61

Effective date: 20240415

R150 Certificate of patent or registration of utility model

Ref document number: 7485253

Country of ref document: JP

Free format text: JAPANESE INTERMEDIATE CODE: R150