DE69435085D1 - Optische Reflexionsmessung im Zeitbereich - Google Patents

Optische Reflexionsmessung im Zeitbereich

Info

Publication number
DE69435085D1
DE69435085D1 DE69435085T DE69435085T DE69435085D1 DE 69435085 D1 DE69435085 D1 DE 69435085D1 DE 69435085 T DE69435085 T DE 69435085T DE 69435085 T DE69435085 T DE 69435085T DE 69435085 D1 DE69435085 D1 DE 69435085D1
Authority
DE
Germany
Prior art keywords
time domain
optical reflection
reflection measurement
measurement
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.)
Expired - Lifetime
Application number
DE69435085T
Other languages
English (en)
Other versions
DE69435085T2 (de
Inventor
Arthur Harold Hartog
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.)
York Sensors Ltd
Original Assignee
York Sensors 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 York Sensors Ltd filed Critical York Sensors Ltd
Publication of DE69435085D1 publication Critical patent/DE69435085D1/de
Application granted granted Critical
Publication of DE69435085T2 publication Critical patent/DE69435085T2/de
Anticipated expiration legal-status Critical
Expired - Lifetime 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
    • G01M11/319—Reflectometers using stimulated back-scatter, e.g. Raman or fibre amplifiers
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01K—MEASURING TEMPERATURE; MEASURING QUANTITY OF HEAT; THERMALLY-SENSITIVE ELEMENTS NOT OTHERWISE PROVIDED FOR
    • G01K11/00—Measuring temperature based upon physical or chemical changes not covered by groups G01K3/00, G01K5/00, G01K7/00 or G01K9/00
    • G01K11/32—Measuring temperature based upon physical or chemical changes not covered by groups G01K3/00, G01K5/00, G01K7/00 or G01K9/00 using changes in transmittance, scattering or luminescence in optical fibres
DE69435085T 1993-07-22 1994-07-19 Optische Reflexionsmessung im Zeitbereich Expired - Lifetime DE69435085T2 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
GB9315231 1993-07-22
GB939315231A GB9315231D0 (en) 1993-07-22 1993-07-22 Optical time domain reflextometry

Publications (2)

Publication Number Publication Date
DE69435085D1 true DE69435085D1 (de) 2008-04-24
DE69435085T2 DE69435085T2 (de) 2009-03-19

Family

ID=10739282

Family Applications (2)

Application Number Title Priority Date Filing Date
DE69433154T Expired - Lifetime DE69433154T2 (de) 1993-07-22 1994-07-19 Optische Reflexionsmessung im Zeitbereich
DE69435085T Expired - Lifetime DE69435085T2 (de) 1993-07-22 1994-07-19 Optische Reflexionsmessung im Zeitbereich

Family Applications Before (1)

Application Number Title Priority Date Filing Date
DE69433154T Expired - Lifetime DE69433154T2 (de) 1993-07-22 1994-07-19 Optische Reflexionsmessung im Zeitbereich

Country Status (4)

Country Link
US (1) US5592282A (de)
EP (4) EP1338877B1 (de)
DE (2) DE69433154T2 (de)
GB (1) GB9315231D0 (de)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN107014409A (zh) * 2017-03-26 2017-08-04 天津大学 一种长距离光频域反射光纤分布式多点扰动传感方法

Families Citing this family (67)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB9700269D0 (en) 1997-01-08 1997-02-26 York Sensors Ltd Improvements to optical time domain reflectometry
US6453264B1 (en) * 1997-04-30 2002-09-17 Southwest Research Institute Surface flaw detection using spatial raman-based imaging
DE69801979T2 (de) 1998-07-15 2002-04-04 Agilent Technologies Inc Messung optischer Verluste
FR2789177B1 (fr) * 1999-01-28 2001-03-30 Cit Alcatel Procede pour determiner, par reflectometrie, une caracteristique d'une fibre optique
GB9928474D0 (en) * 1999-12-03 2000-02-02 Secr Defence Brit Laser effects and laser devices
DE10028144C1 (de) * 2000-06-07 2001-11-29 Siemens Ag Messverfahren zur Bestimmung der Nichtlinearitäten einer optischen Faser
US6744556B2 (en) * 2001-03-16 2004-06-01 Corning Incorporated Distributed Raman amplification system
GB2414756B (en) * 2001-07-12 2006-05-10 Sensor Highway Ltd Method and apparatus to monitor, control and log subsea wells
GB0202159D0 (en) * 2002-01-30 2002-03-20 Sensor Highway Ltd OPtical time domain reflectometry
GB2416587B (en) * 2002-01-30 2006-06-21 Sensor Highway Ltd Optical time domain reflectometry
US20030205376A1 (en) * 2002-04-19 2003-11-06 Schlumberger Technology Corporation Means and Method for Assessing the Geometry of a Subterranean Fracture During or After a Hydraulic Fracturing Treatment
WO2003102370A1 (en) * 2002-05-31 2003-12-11 Sensor Highway Limited Parameter sensing apparatus and method for subterranean wells
US20030234921A1 (en) * 2002-06-21 2003-12-25 Tsutomu Yamate Method for measuring and calibrating measurements using optical fiber distributed sensor
GB0216259D0 (en) * 2002-07-12 2002-08-21 Sensor Highway Ltd Subsea and landing string distributed sensor system
AU2002951705A0 (en) * 2002-09-27 2002-10-17 Crc For Intelligent Manufacturing Systems And Technologies Ltd Reflectometry
AU2003264184B2 (en) * 2002-09-27 2008-05-01 Seebacher, Peter Distributed temperature sensor using optical reflectometry
US6997256B2 (en) * 2002-12-17 2006-02-14 Sensor Highway Limited Use of fiber optics in deviated flows
US6661815B1 (en) * 2002-12-31 2003-12-09 Intel Corporation Servo technique for concurrent wavelength locking and stimulated brillouin scattering suppression
WO2004073172A2 (en) * 2003-02-12 2004-08-26 Sensornet Limited Method and apparatus for generation and transmission of high energy optical pulses for long range measurements
GB2400906B (en) * 2003-04-24 2006-09-20 Sensor Highway Ltd Distributed optical fibre measurements
US7389045B2 (en) * 2003-05-08 2008-06-17 Verizon Business Global Llc Apparatus and method for monitoring and compensating an optical signal
GB2417774B (en) * 2003-05-23 2006-11-22 Sensor Highway Ltd Distributed temperature sensing system with remote reference coil
GB0322859D0 (en) * 2003-09-30 2003-10-29 British Telecomm Communication
KR100625807B1 (ko) 2004-02-25 2006-09-20 한국과학기술원 브릴루앙 광섬유 센서를 이용하는 물리량 측정방법
GB0407386D0 (en) * 2004-03-31 2004-05-05 British Telecomm Monitoring a communications link
US20050244116A1 (en) * 2004-04-28 2005-11-03 Evans Alan F Cables and cable installations
US7919325B2 (en) * 2004-05-24 2011-04-05 Authentix, Inc. Method and apparatus for monitoring liquid for the presence of an additive
US7848645B2 (en) * 2004-09-30 2010-12-07 British Telecommunications Public Limited Company Identifying or locating waveguides
GB0421747D0 (en) * 2004-09-30 2004-11-03 British Telecomm Distributed backscattering
ATE498954T1 (de) * 2004-12-17 2011-03-15 British Telecomm Netzwerkbeurteilung
US7415063B1 (en) 2004-12-20 2008-08-19 The United States Of America As Represented By The Secretary Of The Navy Method to estimate noise in data
GB2424311B (en) * 2005-03-18 2008-02-13 Sensor Highway Ltd Optical pulse generator for distributed temperature sensing operating at a characteristic wavelength in a range between 1050 nm and 1090 nm
EP1708388A1 (de) * 2005-03-31 2006-10-04 British Telecommunications Public Limited Company Verfahren zum Mitteilen von Informationen
EP1713301A1 (de) * 2005-04-14 2006-10-18 BRITISH TELECOMMUNICATIONS public limited company Verfahren und Gerät zur Schallübertragung über eine optische Verbindung
EP1746403A1 (de) * 2005-07-19 2007-01-24 Agilent Technologies, Inc. Optische Reflektometrieanalyse mit einer Zeitanpassung auf Teil-Ansprechsignalen
US7585107B2 (en) * 2006-01-17 2009-09-08 Weatherford/Lamb, Inc. Corrected DTS measurements based on Raman-Stokes signals
EP1987317B1 (de) * 2006-02-24 2013-07-17 BRITISH TELECOMMUNICATIONS public limited company Erfassen einer störung
US7628531B2 (en) * 2006-03-13 2009-12-08 SensorTran, Inc Methods and apparatus for dual source calibration for distributed temperature systems
GB0605066D0 (en) * 2006-03-14 2006-04-26 Schlumberger Holdings Method and apparatus for monitoring structures
CA2647173A1 (en) * 2006-04-03 2007-10-11 British Telecommunications Public Company Limited Evaluating the position of a disturbance
US20070264024A1 (en) * 2006-04-28 2007-11-15 Ciena Corporation Bi-directional application of a dispersion compensating module in a regional system
EP1876435A1 (de) * 2006-07-06 2008-01-09 Agilent Technologies, Inc. Ermittlung optischer Verluste mittels optische Reflektometrie
US8620155B2 (en) * 2007-06-14 2013-12-31 The University Of Sydney Optical signal to noise monitor
US7586617B2 (en) * 2007-06-22 2009-09-08 Schlumberger Technology Corporation Controlling a dynamic signal range in an optical time domain reflectometry
KR100930342B1 (ko) * 2007-06-29 2009-12-10 주식회사 싸이트로닉 분포 광섬유 센서 시스템
US7504618B2 (en) * 2007-07-03 2009-03-17 Schlumberger Technology Corporation Distributed sensing in an optical fiber using brillouin scattering
US8077314B2 (en) * 2007-10-15 2011-12-13 Schlumberger Technology Corporation Measuring a characteristic of a multimode optical fiber
US20100027000A1 (en) * 2007-10-29 2010-02-04 Dimitry Pestov Hybrid Technique for Coherent Anti-Stokes/Stokes Raman Spectroscopy
CA2711223C (en) * 2008-01-18 2016-12-06 Sensortran, Inc. Methods and systems for extending the range of fiber optic distributed temperature sensing (dts) systems
DE102008023777B4 (de) * 2008-05-15 2011-08-25 LIOS Technology GmbH, 51063 Vorrichtung zur ortsaufgelösten Temperaturmessung
CA2738627A1 (en) * 2008-09-27 2010-04-01 Sensortran, Inc. Auto-correcting or self-calibrating dts temperature sensing sytems and methods
WO2010091103A1 (en) * 2009-02-03 2010-08-12 David Randolph Smith Method and apparatus to construct and log a well
US20100312512A1 (en) * 2009-06-08 2010-12-09 Ajgaonkar Mahesh U Single light source automatic calibration in distributed temperature sensing
WO2011147030A1 (en) 2010-05-27 2011-12-01 Exfo Inc. Multiple-acquisition otdr method and device
CN102095524B (zh) * 2010-12-29 2012-06-13 北京航天时代光电科技有限公司 分布式光纤温度传感器系统的动态标定方法
RU2458325C1 (ru) * 2011-04-28 2012-08-10 Общество с ограниченной ответственностью "ПетроФайбер" Способ измерения температурного распределения и устройство для его осуществления
US8989573B2 (en) * 2012-04-05 2015-03-24 Gwangju Institute Of Science And Technology Sensing apparatus
RU2503879C1 (ru) * 2012-08-07 2014-01-10 Общество с ограниченной ответственностью "Т8" (ООО "Т8") Устройство контроля движения объекта в трубопроводе
US9086376B1 (en) * 2014-01-15 2015-07-21 Keysight Technologies, Inc. Automatic fixture removal using one-port measurement
WO2015132899A1 (ja) * 2014-03-05 2015-09-11 富士通株式会社 異常検知システム及び異常検知方法
US9389174B2 (en) * 2014-06-18 2016-07-12 Weatherford Technology Holdings, Llc Time division multiplexing (TDM) and wavelength division multiplexing (WDM) sensor arrays
EA035577B1 (ru) * 2014-12-23 2020-07-09 Эни С.П.А. Рефлектометрическая система для измерения вибраций и соответствующий способ контроля многофазных потоков
US9641243B2 (en) 2015-02-23 2017-05-02 Exfo Inc. Safe-mode OTDR method
WO2018097997A1 (en) * 2016-11-22 2018-05-31 Baker Hughes, A Ge Company, Llc Distributed parameter measurements using multiple optical sources
EP3324169A1 (de) * 2016-11-22 2018-05-23 Xieon Networks S.à r.l. Nachweis von gewinnern und übertrieben verlusten in unidirektionale otdr-spuren
CN107179142B (zh) * 2017-06-07 2019-05-24 南京大学 一种基于布里渊谱定频功率变化的快速测温方法
CN114088688B (zh) * 2022-01-17 2022-06-17 武汉光谷航天三江激光产业技术研究院有限公司 全光纤结构的自动准直后向cars探测系统及方法

Family Cites Families (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS57115042A (en) * 1981-01-08 1982-07-17 Nippon Telegr & Teleph Corp <Ntt> High power optical transmission system
JPS57122404A (en) * 1981-01-21 1982-07-30 Nippon Telegr & Teleph Corp <Ntt> Optical fiber for high-power transmission
GB2140554A (en) * 1983-05-26 1984-11-28 Plessey Co Plc Temperature measuring arrangement
GB8520827D0 (en) * 1985-08-20 1985-09-25 York Ventures & Special Optica Fibre-optic sensing devices
GB2181830B (en) * 1985-10-18 1990-02-07 Central Electr Generat Board Temperature measurement
GB2183821B (en) * 1985-11-27 1990-08-08 Gen Electric Plc A temperature sensor
JPH02201129A (ja) * 1989-01-30 1990-08-09 Tokyo Electric Power Co Inc:The 光ファイバ式分布形温度センサ
JP2575324B2 (ja) * 1991-03-02 1997-01-22 株式会社フジクラ 光ファイバ式温度分布測定装置
JP3140124B2 (ja) * 1991-10-24 2001-03-05 コーア株式会社 厚膜サーミスタ組成物、その製造方法、厚膜サーミスタおよびその製造方法
GB2277147A (en) * 1993-04-14 1994-10-19 York Ltd Optical fibre distributed sensing
JPH07115042A (ja) * 1993-10-15 1995-05-02 Marcon Electron Co Ltd 電解コンデンサの製造方法

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN107014409A (zh) * 2017-03-26 2017-08-04 天津大学 一种长距离光频域反射光纤分布式多点扰动传感方法

Also Published As

Publication number Publication date
EP1345020A1 (de) 2003-09-17
EP1338877A3 (de) 2003-09-03
EP0636868B1 (de) 2003-09-17
DE69433154T2 (de) 2004-04-08
DE69433154D1 (de) 2003-10-23
EP0636868A1 (de) 1995-02-01
US5592282A (en) 1997-01-07
EP1338876A3 (de) 2003-09-03
DE69435085T2 (de) 2009-03-19
GB9315231D0 (en) 1993-09-08
EP1338876A2 (de) 2003-08-27
EP1338877A2 (de) 2003-08-27
EP1338877B1 (de) 2008-03-12

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