JP2025506457A - 中空コア光ファイバのための光時間領域反射測定 - Google Patents

中空コア光ファイバのための光時間領域反射測定 Download PDF

Info

Publication number
JP2025506457A
JP2025506457A JP2024547112A JP2024547112A JP2025506457A JP 2025506457 A JP2025506457 A JP 2025506457A JP 2024547112 A JP2024547112 A JP 2024547112A JP 2024547112 A JP2024547112 A JP 2024547112A JP 2025506457 A JP2025506457 A JP 2025506457A
Authority
JP
Japan
Prior art keywords
fiber
core
hollow
optical
light
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
JP2024547112A
Other languages
English (en)
Japanese (ja)
Other versions
JP2025506457A5 (https=
Inventor
スラビク，ラダン
リチャードソン，デビッド・ジョン
ポレッティ，フランチェスコ
ブラッドリー，トーマス・デビッド
タランタ，オースティン
ヌムカム－フォコウア，エリック
Original Assignee
ユニバーシティ・オブ・サザンプトン
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 ユニバーシティ・オブ・サザンプトン filed Critical ユニバーシティ・オブ・サザンプトン
Publication of JP2025506457A publication Critical patent/JP2025506457A/ja
Publication of JP2025506457A5 publication Critical patent/JP2025506457A5/ja
Pending legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01M—TESTING STATIC OR DYNAMIC BALANCE OF MACHINES OR STRUCTURES; TESTING OF STRUCTURES OR APPARATUS, NOT OTHERWISE PROVIDED FOR
    • G01M11/00—Testing of optical apparatus; Testing structures by optical methods not otherwise provided for
    • G01M11/30—Testing of optical devices, constituted by fibre optics or optical waveguides
    • G01M11/31—Testing of optical devices, constituted by fibre optics or optical waveguides with a light emitter and a light receiver being disposed at the same side of a fibre or waveguide end-face, e.g. reflectometers
    • G01M11/3109—Reflectometers detecting the back-scattered light in the time-domain, e.g. OTDR
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01M—TESTING STATIC OR DYNAMIC BALANCE OF MACHINES OR STRUCTURES; TESTING OF STRUCTURES OR APPARATUS, NOT OTHERWISE PROVIDED FOR
    • G01M11/00—Testing of optical apparatus; Testing structures by optical methods not otherwise provided for
    • G01M11/30—Testing of optical devices, constituted by fibre optics or optical waveguides
    • G01M11/31—Testing of optical devices, constituted by fibre optics or optical waveguides with a light emitter and a light receiver being disposed at the same side of a fibre or waveguide end-face, e.g. reflectometers
    • G01M11/3109—Reflectometers detecting the back-scattered light in the time-domain, e.g. OTDR
    • G01M11/3154—Details of the opto-mechanical connection, e.g. connector or repeater

Landscapes

  • Physics & Mathematics (AREA)
  • Optics & Photonics (AREA)
  • Chemical & Material Sciences (AREA)
  • Analytical Chemistry (AREA)
  • General Physics & Mathematics (AREA)
  • Optical Fibers, Optical Fiber Cores, And Optical Fiber Bundles (AREA)
  • Testing Of Optical Devices Or Fibers (AREA)
JP2024547112A 2022-02-11 2023-02-02 中空コア光ファイバのための光時間領域反射測定 Pending JP2025506457A (ja)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
GB2201785.9A GB2615561A (en) 2022-02-11 2022-02-11 Optical time domain reflectometry for hollow core optical fibres
GB2201785.9 2022-02-11
PCT/GB2023/050231 WO2023152468A1 (en) 2022-02-11 2023-02-02 Optical time domain reflectometry for hollow core optical fibres

Publications (2)

Publication Number Publication Date
JP2025506457A true JP2025506457A (ja) 2025-03-11
JP2025506457A5 JP2025506457A5 (https=) 2026-01-30

Family

ID=80820869

Family Applications (1)

Application Number Title Priority Date Filing Date
JP2024547112A Pending JP2025506457A (ja) 2022-02-11 2023-02-02 中空コア光ファイバのための光時間領域反射測定

Country Status (5)

Country Link
EP (1) EP4476517A1 (https=)
JP (1) JP2025506457A (https=)
CN (1) CN118696222A (https=)
GB (1) GB2615561A (https=)
WO (1) WO2023152468A1 (https=)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN120652623B (zh) * 2025-08-19 2025-10-28 长飞光纤光缆股份有限公司 一种空芯光纤内部气体置换装置及方法
CN121678120A (zh) * 2026-02-09 2026-03-17 长飞光纤光缆股份有限公司 一种空芯光纤otdr测试曲线自动分析方法及系统

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP3534550B2 (ja) * 1995-11-01 2004-06-07 住友電気工業株式会社 Ｏｔｄｒ装置
WO2002063350A2 (en) * 2001-02-07 2002-08-15 Omniguide Communications Optical waveguide monitoring
EP2201348A4 (en) * 2007-10-15 2010-12-29 Inometrix Inc SYSTEM AND METHOD FOR DETERMINING THE CHROMATIC DISPERSION IN SHORT CIRCUITS OF WAVE LADDER USING A 3-WAVE INTERFERENCE PATTERN AND A UNIVERSAL INTERFEROMETER
WO2020070487A1 (en) * 2018-10-03 2020-04-09 Lumenisity Limited Optical waveguide adapter assembly
US10845268B1 (en) * 2019-06-03 2020-11-24 Ciena Corporation Monitorable hollow core optical fiber
AU2020103312A4 (en) * 2020-11-09 2021-01-14 Harbin Engineering University A sensitivity enhanced type optical time domain reflection distributed Michelson interferometer based on a dual-core optical fiber

Also Published As

Publication number Publication date
GB2615561A (en) 2023-08-16
EP4476517A1 (en) 2024-12-18
GB202201785D0 (en) 2022-03-30
CN118696222A (zh) 2024-09-24
WO2023152468A1 (en) 2023-08-17

Similar Documents

Publication Publication Date Title
Anderson et al. Troubleshooting optical fiber networks: understanding and using optical time-domain reflectometers
US6400450B1 (en) Method of qualifying a multimode optical fiber for bandwidth performance
JP4350380B2 (ja) 光ファイバの後方散乱偏光分析
US10845268B1 (en) Monitorable hollow core optical fiber
EP2207022B1 (en) Method of characterizing a graded multimode optical fibre and a method of fabricating such a fiber
Slavík et al. Optical time domain backscattering of antiresonant hollow core fibers
US7947945B2 (en) Fiber optic sensing system, method of using such and sensor fiber
US20040151454A1 (en) Multiple core microstructured optical fibers and methods using said fibers
US9562827B2 (en) Measuring method of longitudinal distribution of bending loss of optical fiber, measuring method of longitudinal distribution of actual bending loss value of optical fiber, test method of optical line, manufacturing method of optical fiber cable, manufacturing method of optical fiber cord, and manufacturing method of optical fiber
EP2817593A1 (en) Sensing systems and few-mode optical fiber for use in such systems
JP2015230263A (ja) 光ファイバの特性評価方法
EP1558905B1 (en) Method of evaluating fiber pmd using polarization optical time domain reflectometry
JP5313079B2 (ja) 光ファイバの特性評価方法
JP2025506457A (ja) 中空コア光ファイバのための光時間領域反射測定
CN117572557A (zh) 一种适于长距离分布式检测的反谐振空芯光纤
US20170343450A1 (en) Devices, systems and methods for use in fiber measurements, such as multi-mode fiber geometry measurements
US6930768B2 (en) Detection of discontinuities in a multimode optical fiber
CN101228427A (zh) 使用复合potdr踪迹来评估光纤pmd的方法
US7424194B2 (en) Single polarization fiber and method of evaluating fiber cutoff wavelengths using optical time domain reflectometry
Sunak Single-mode fiber measurements
Baig et al. Distributed measurement of chromatic dispersion along an optical fiber transmission system
Józwicki et al. Evaluation of fusion splicing of hollow-core fibers to conventional single mode fiber
Sun et al. Comparison of SM optical fibers for distributed acoustic sensing
Day et al. Optical fiber metrology
Borzycki et al. Challenges in characterization of photonic crystal fibers

Legal Events

Date Code Title Description
RD03 Notification of appointment of power of attorney

Free format text: JAPANESE INTERMEDIATE CODE: A7423

Effective date: 20250526

RD04 Notification of resignation of power of attorney

Free format text: JAPANESE INTERMEDIATE CODE: A7424

Effective date: 20250604

A521 Request for written amendment filed

Free format text: JAPANESE INTERMEDIATE CODE: A821

Effective date: 20250526

A521 Request for written amendment filed

Free format text: JAPANESE INTERMEDIATE CODE: A523

Effective date: 20260122

A621 Written request for application examination

Free format text: JAPANESE INTERMEDIATE CODE: A621

Effective date: 20260122