GB2615561A - Optical time domain reflectometry for hollow core optical fibres - Google Patents
Optical time domain reflectometry for hollow core optical fibres Download PDFInfo
- Publication number
- GB2615561A GB2615561A GB2201785.9A GB202201785A GB2615561A GB 2615561 A GB2615561 A GB 2615561A GB 202201785 A GB202201785 A GB 202201785A GB 2615561 A GB2615561 A GB 2615561A
- Authority
- GB
- United Kingdom
- Prior art keywords
- optical
- fibre
- hollow core
- input
- 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
Links
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- 238000000253 optical time-domain reflectometry Methods 0.000 title claims abstract description 135
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- 238000002168 optical frequency-domain reflectometry Methods 0.000 description 3
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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)
Priority Applications (5)
| 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 |
| EP23704405.2A EP4476517A1 (en) | 2022-02-11 | 2023-02-02 | Optical time domain reflectometry for hollow core optical fibres |
| PCT/GB2023/050231 WO2023152468A1 (en) | 2022-02-11 | 2023-02-02 | Optical time domain reflectometry for hollow core optical fibres |
| CN202380020825.7A CN118696222A (zh) | 2022-02-11 | 2023-02-02 | 针对空芯光纤的光时域反射计量 |
| JP2024547112A 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 |
Applications Claiming Priority (1)
| 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 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| GB202201785D0 GB202201785D0 (en) | 2022-03-30 |
| GB2615561A true GB2615561A (en) | 2023-08-16 |
Family
ID=80820869
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| GB2201785.9A Pending GB2615561A (en) | 2022-02-11 | 2022-02-11 | Optical time domain reflectometry for hollow core optical fibres |
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)
| 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 |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0772265A1 (en) * | 1995-11-01 | 1997-05-07 | Sumitomo Electric Industries, Ltd. | Laser light source apparatus, OTDR apparatus, and optical communication line inspection system |
| WO2009049393A1 (en) * | 2007-10-15 | 2009-04-23 | Michael Galle | System and method to determine chromatic dispersion in short lengths of waveguides using a 3-wave interference pattern and a single-arm 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 |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2002063350A2 (en) * | 2001-02-07 | 2002-08-15 | Omniguide Communications | Optical waveguide monitoring |
-
2022
- 2022-02-11 GB GB2201785.9A patent/GB2615561A/en active Pending
-
2023
- 2023-02-02 CN CN202380020825.7A patent/CN118696222A/zh active Pending
- 2023-02-02 WO PCT/GB2023/050231 patent/WO2023152468A1/en not_active Ceased
- 2023-02-02 EP EP23704405.2A patent/EP4476517A1/en active Pending
- 2023-02-02 JP JP2024547112A patent/JP2025506457A/ja active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0772265A1 (en) * | 1995-11-01 | 1997-05-07 | Sumitomo Electric Industries, Ltd. | Laser light source apparatus, OTDR apparatus, and optical communication line inspection system |
| WO2009049393A1 (en) * | 2007-10-15 | 2009-04-23 | Michael Galle | System and method to determine chromatic dispersion in short lengths of waveguides using a 3-wave interference pattern and a single-arm 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 |
|---|---|
| JP2025506457A (ja) | 2025-03-11 |
| EP4476517A1 (en) | 2024-12-18 |
| GB202201785D0 (en) | 2022-03-30 |
| CN118696222A (zh) | 2024-09-24 |
| WO2023152468A1 (en) | 2023-08-17 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| 732E | Amendments to the register in respect of changes of name or changes affecting rights (sect. 32/1977) |
Free format text: REGISTERED BETWEEN 20220513 AND 20220518 |