CA2447660A1 - Optical fibre backscatter polarimetry - Google Patents
Optical fibre backscatter polarimetry Download PDFInfo
- Publication number
- CA2447660A1 CA2447660A1 CA002447660A CA2447660A CA2447660A1 CA 2447660 A1 CA2447660 A1 CA 2447660A1 CA 002447660 A CA002447660 A CA 002447660A CA 2447660 A CA2447660 A CA 2447660A CA 2447660 A1 CA2447660 A1 CA 2447660A1
- Authority
- CA
- Canada
- Prior art keywords
- optical waveguide
- polarisation
- light
- optical fibre
- optical
- 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.)
- Abandoned
Links
- 239000013307 optical fiber Substances 0.000 title claims abstract description 152
- 238000000711 polarimetry Methods 0.000 title description 3
- 238000000034 method Methods 0.000 claims abstract description 30
- 238000009826 distribution Methods 0.000 claims abstract description 29
- 230000003287 optical effect Effects 0.000 claims description 129
- 230000005540 biological transmission Effects 0.000 claims description 6
- 238000001514 detection method Methods 0.000 claims description 4
- 239000006185 dispersion Substances 0.000 claims description 3
- 238000005259 measurement Methods 0.000 abstract description 13
- 238000000181 polarisation optical time-domain reflectometry Methods 0.000 description 18
- 239000011159 matrix material Substances 0.000 description 9
- 230000010287 polarization Effects 0.000 description 9
- 239000000835 fiber Substances 0.000 description 8
- 230000008859 change Effects 0.000 description 7
- 238000005253 cladding Methods 0.000 description 6
- 230000005684 electric field Effects 0.000 description 6
- 238000009825 accumulation Methods 0.000 description 3
- 238000004519 manufacturing process Methods 0.000 description 3
- 230000001902 propagating effect Effects 0.000 description 3
- 241001156569 Ptychosperma lineare Species 0.000 description 2
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 description 2
- 238000005452 bending Methods 0.000 description 2
- 238000004364 calculation method Methods 0.000 description 2
- 230000001427 coherent effect Effects 0.000 description 2
- 230000008602 contraction Effects 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 238000012360 testing method Methods 0.000 description 2
- 241001556567 Acanthamoeba polyphaga mimivirus Species 0.000 description 1
- 230000004075 alteration Effects 0.000 description 1
- 230000004323 axial length Effects 0.000 description 1
- 230000008901 benefit Effects 0.000 description 1
- 238000009529 body temperature measurement Methods 0.000 description 1
- 230000015556 catabolic process Effects 0.000 description 1
- 230000007423 decrease Effects 0.000 description 1
- 238000006731 degradation reaction Methods 0.000 description 1
- 230000001419 dependent effect Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000013213 extrapolation Methods 0.000 description 1
- 239000011521 glass Substances 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 238000011065 in-situ storage Methods 0.000 description 1
- 230000010354 integration Effects 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000000253 optical time-domain reflectometry Methods 0.000 description 1
- 238000003908 quality control method Methods 0.000 description 1
- 230000005855 radiation Effects 0.000 description 1
- 239000011150 reinforced concrete Substances 0.000 description 1
- 239000000377 silicon dioxide Substances 0.000 description 1
- 239000010454 slate Substances 0.000 description 1
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
- G01M11/3181—Reflectometers dealing with polarisation
Landscapes
- Physics & Mathematics (AREA)
- Optics & Photonics (AREA)
- Chemical & Material Sciences (AREA)
- Analytical Chemistry (AREA)
- General Physics & Mathematics (AREA)
- Investigating Or Analysing Materials By Optical Means (AREA)
- Artificial Filaments (AREA)
- Testing Of Optical Devices Or Fibers (AREA)
- Dental Preparations (AREA)
- Length Measuring Devices By Optical Means (AREA)
- Multicomponent Fibers (AREA)
- Optical Fibers, Optical Fiber Cores, And Optical Fiber Bundles (AREA)
Applications Claiming Priority (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| GBGB0112161.5A GB0112161D0 (en) | 2001-05-18 | 2001-05-18 | Distributed fibre polarimetry for communications and sensing |
| GB0112161.5 | 2001-05-18 | ||
| PCT/GB2002/002138 WO2002095349A1 (en) | 2001-05-18 | 2002-05-09 | Optical fibre backscatter polarimetry |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CA2447660A1 true CA2447660A1 (en) | 2002-11-28 |
Family
ID=9914873
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CA002447660A Abandoned CA2447660A1 (en) | 2001-05-18 | 2002-05-09 | Optical fibre backscatter polarimetry |
Country Status (8)
| Country | Link |
|---|---|
| US (1) | US7130496B2 (https=) |
| EP (1) | EP1390707B1 (https=) |
| JP (1) | JP4350380B2 (https=) |
| AT (1) | ATE348323T1 (https=) |
| CA (1) | CA2447660A1 (https=) |
| DE (1) | DE60216752T8 (https=) |
| GB (1) | GB0112161D0 (https=) |
| WO (1) | WO2002095349A1 (https=) |
Families Citing this family (42)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US7474772B2 (en) | 2003-06-25 | 2009-01-06 | Atrua Technologies, Inc. | System and method for a miniature user input device |
| US7173690B2 (en) | 2003-07-03 | 2007-02-06 | Senstar-Stellar Corporation | Method and apparatus using polarisation optical time domain reflectometry for security applications |
| US7587072B2 (en) | 2003-08-22 | 2009-09-08 | Authentec, Inc. | System for and method of generating rotational inputs |
| EP1698919A4 (en) * | 2003-10-22 | 2007-08-15 | Fujikura Ltd | OPTICAL FIBER AND METHOD OF MEASURING THE DIFFUSION OF THE POLARIZATION MODE OF THE OPTICAL FIBER |
| US7697729B2 (en) | 2004-01-29 | 2010-04-13 | Authentec, Inc. | System for and method of finger initiated actions |
| US7206469B2 (en) | 2005-01-12 | 2007-04-17 | Network Integrity Systems Inc. | Intrusion detection system for use on single mode optical fiber using a polarimeter |
| US7142737B1 (en) | 2005-01-12 | 2006-11-28 | Network Integrity Systems Inc. | Intrusion detection system for use on single mode optical fiber using a storage register for data |
| US7831070B1 (en) | 2005-02-18 | 2010-11-09 | Authentec, Inc. | Dynamic finger detection mechanism for a fingerprint sensor |
| US8231056B2 (en) | 2005-04-08 | 2012-07-31 | Authentec, Inc. | System for and method of protecting an integrated circuit from over currents |
| KR100832470B1 (ko) | 2005-04-14 | 2008-05-26 | 가부시키가이샤후지쿠라 | 광섬유의 복굴절 측정 방법 및 측정 장치, 광섬유의 편파모드 분산 측정 방법 및 광섬유 |
| JP4781746B2 (ja) * | 2005-04-14 | 2011-09-28 | 株式会社フジクラ | 光ファイバの複屈折測定方法及び測定装置及び光ファイバの偏波モード分散測定方法 |
| US7164469B1 (en) * | 2005-06-30 | 2007-01-16 | Corning Incorporated | Method of evaluating fiber PMD using composite POTDR trace |
| JP4554476B2 (ja) * | 2005-08-30 | 2010-09-29 | 財団法人電力中央研究所 | 生体活動監視方法と、これに用いる光ファイバ式平板状体センサ |
| US7190442B1 (en) * | 2005-08-31 | 2007-03-13 | Corning Incorporated | Method of evaluating fiber PMD using POTDR trace |
| CN101682424B (zh) * | 2007-04-05 | 2014-02-19 | 爱斯福公司 | 用于确定带内光噪声的方法和系统 |
| US8364034B2 (en) * | 2007-04-05 | 2013-01-29 | Exfo Inc. | In-band optical noise measurement using differential polarization response |
| JP4770913B2 (ja) * | 2008-11-13 | 2011-09-14 | 横河電機株式会社 | 光ファイバ特性測定装置および光ファイバ特性測定方法 |
| GB0823306D0 (en) * | 2008-12-22 | 2009-01-28 | Rogers Alan | Frequency-mapped distributed presure measurement |
| EP2392818A1 (en) * | 2009-01-30 | 2011-12-07 | Gamesa Innovation & Technology, S.L. | System for measuring deformations of wind turbine blades during static tests |
| GB0912851D0 (en) * | 2009-07-23 | 2009-08-26 | Fotech Solutions Ltd | Distributed optical fibre sensing |
| US8421890B2 (en) | 2010-01-15 | 2013-04-16 | Picofield Technologies, Inc. | Electronic imager using an impedance sensor grid array and method of making |
| US8866347B2 (en) | 2010-01-15 | 2014-10-21 | Idex Asa | Biometric image sensing |
| US9158958B2 (en) | 2010-10-28 | 2015-10-13 | Synaptics Incorporated | Signal strength enhancement in a biometric sensor array |
| GB201019117D0 (en) | 2010-11-11 | 2010-12-29 | Fotech Solutions Ltd | Distributed optical fibre sensor |
| US20130279769A1 (en) | 2012-04-10 | 2013-10-24 | Picofield Technologies Inc. | Biometric Sensing |
| US10139433B2 (en) | 2014-03-24 | 2018-11-27 | Prysmian S.P.A. | Method of measuring current distribution in high and medium voltage cables |
| BR112018070577A2 (pt) | 2016-04-07 | 2019-02-12 | Bp Exploration Operating Company Limited | detecção de localizações de ingresso de areia de fundo de poço |
| EP3670830B1 (en) | 2016-04-07 | 2021-08-11 | BP Exploration Operating Company Limited | Detecting downhole events using acoustic frequency domain features |
| CN106289726B (zh) * | 2016-07-14 | 2018-08-24 | 北京航空航天大学 | 一种光子带隙光纤背向散射分布式测量方法及装置 |
| WO2018178279A1 (en) | 2017-03-31 | 2018-10-04 | Bp Exploration Operating Company Limited | Well and overburden monitoring using distributed acoustic sensors |
| EP3673148B1 (en) | 2017-08-23 | 2021-10-06 | BP Exploration Operating Company Limited | Detecting downhole sand ingress locations |
| WO2019072899A2 (en) | 2017-10-11 | 2019-04-18 | Bp Exploration Operating Company Limited | EVENT DETECTION USING FREQUENCY DOMAIN ACOUSTIC CHARACTERISTICS |
| EP4234881A3 (en) | 2018-11-29 | 2023-10-18 | BP Exploration Operating Company Limited | Das data processing to identify fluid inflow locations and fluid type |
| GB201820331D0 (en) | 2018-12-13 | 2019-01-30 | Bp Exploration Operating Co Ltd | Distributed acoustic sensing autocalibration |
| WO2021052602A1 (en) | 2019-09-20 | 2021-03-25 | Lytt Limited | Systems and methods for sand ingress prediction for subterranean wellbores |
| EP4045766A1 (en) | 2019-10-17 | 2022-08-24 | Lytt Limited | Fluid inflow characterization using hybrid das/dts measurements |
| CA3154435C (en) | 2019-10-17 | 2023-03-28 | Lytt Limited | Inflow detection using dts features |
| WO2021093974A1 (en) | 2019-11-15 | 2021-05-20 | Lytt Limited | Systems and methods for draw down improvements across wellbores |
| WO2021249643A1 (en) | 2020-06-11 | 2021-12-16 | Lytt Limited | Systems and methods for subterranean fluid flow characterization |
| CA3182376A1 (en) | 2020-06-18 | 2021-12-23 | Cagri CERRAHOGLU | Event model training using in situ data |
| WO2021254633A1 (en) | 2020-06-18 | 2021-12-23 | Lytt Limited | Event model training using in situ data |
| IT202200004667A1 (it) | 2022-03-11 | 2022-06-11 | Sestosensor S R L | Rivelatore di fase e polarizzazione per sensori acustici distribuiti a fibre ottiche ed interrogatore basato sullo stesso |
Family Cites Families (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB8622609D0 (en) * | 1986-09-19 | 1986-10-22 | Rogers A J | Optical fibres |
| US4840481A (en) * | 1987-12-10 | 1989-06-20 | Simmonds Precision | Polarimetric optical frequency domain distributed strain sensor and method |
-
2001
- 2001-05-18 GB GBGB0112161.5A patent/GB0112161D0/en not_active Ceased
-
2002
- 2002-05-09 AT AT02771667T patent/ATE348323T1/de not_active IP Right Cessation
- 2002-05-09 EP EP02771667A patent/EP1390707B1/en not_active Expired - Lifetime
- 2002-05-09 US US10/476,654 patent/US7130496B2/en not_active Expired - Lifetime
- 2002-05-09 DE DE60216752T patent/DE60216752T8/de active Active
- 2002-05-09 CA CA002447660A patent/CA2447660A1/en not_active Abandoned
- 2002-05-09 WO PCT/GB2002/002138 patent/WO2002095349A1/en not_active Ceased
- 2002-05-09 JP JP2002591777A patent/JP4350380B2/ja not_active Expired - Lifetime
Also Published As
| Publication number | Publication date |
|---|---|
| GB0112161D0 (en) | 2001-07-11 |
| EP1390707B1 (en) | 2006-12-13 |
| WO2002095349A1 (en) | 2002-11-28 |
| DE60216752T2 (de) | 2007-10-11 |
| DE60216752T8 (de) | 2008-02-07 |
| EP1390707A1 (en) | 2004-02-25 |
| JP4350380B2 (ja) | 2009-10-21 |
| DE60216752D1 (de) | 2007-01-25 |
| JP2004525388A (ja) | 2004-08-19 |
| US7130496B2 (en) | 2006-10-31 |
| ATE348323T1 (de) | 2007-01-15 |
| US20040136636A1 (en) | 2004-07-15 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| EEER | Examination request | ||
| FZDE | Discontinued |