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DE60320981D1 - Faseroptischer interferometrischer fernsensor - Google Patents

Faseroptischer interferometrischer fernsensor

Info

Publication number
DE60320981D1
DE60320981D1 DE60320981T DE60320981T DE60320981D1 DE 60320981 D1 DE60320981 D1 DE 60320981D1 DE 60320981 T DE60320981 T DE 60320981T DE 60320981 T DE60320981 T DE 60320981T DE 60320981 D1 DE60320981 D1 DE 60320981D1
Authority
DE
Germany
Prior art keywords
fiber optic
remote sensor
optic interferometric
interferometric
remote
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
DE60320981T
Other languages
English (en)
Inventor
Maxwell R Hadley
Arthur H Hartog
Yuehua Chen
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.)
Sensor Highway Ltd
Original Assignee
Sensor Highway 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
Priority claimed from GB0211389A external-priority patent/GB0211389D0/en
Priority claimed from GB0211390A external-priority patent/GB0211390D0/en
Application filed by Sensor Highway Ltd filed Critical Sensor Highway Ltd
Application granted granted Critical
Publication of DE60320981D1 publication Critical patent/DE60320981D1/de
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01D—MEASURING NOT SPECIALLY ADAPTED FOR A SPECIFIC VARIABLE; ARRANGEMENTS FOR MEASURING TWO OR MORE VARIABLES NOT COVERED IN A SINGLE OTHER SUBCLASS; TARIFF METERING APPARATUS; MEASURING OR TESTING NOT OTHERWISE PROVIDED FOR
    • G01D5/00—Mechanical means for transferring the output of a sensing member; Means for converting the output of a sensing member to another variable where the form or nature of the sensing member does not constrain the means for converting; Transducers not specially adapted for a specific variable
    • G01D5/26—Mechanical means for transferring the output of a sensing member; Means for converting the output of a sensing member to another variable where the form or nature of the sensing member does not constrain the means for converting; Transducers not specially adapted for a specific variable characterised by optical transfer means, i.e. using infrared, visible, or ultraviolet light
    • G01D5/32—Mechanical means for transferring the output of a sensing member; Means for converting the output of a sensing member to another variable where the form or nature of the sensing member does not constrain the means for converting; Transducers not specially adapted for a specific variable characterised by optical transfer means, i.e. using infrared, visible, or ultraviolet light with attenuation or whole or partial obturation of beams of light
    • G01D5/34—Mechanical means for transferring the output of a sensing member; Means for converting the output of a sensing member to another variable where the form or nature of the sensing member does not constrain the means for converting; Transducers not specially adapted for a specific variable characterised by optical transfer means, i.e. using infrared, visible, or ultraviolet light with attenuation or whole or partial obturation of beams of light the beams of light being detected by photocells
    • G01D5/353—Mechanical means for transferring the output of a sensing member; Means for converting the output of a sensing member to another variable where the form or nature of the sensing member does not constrain the means for converting; Transducers not specially adapted for a specific variable characterised by optical transfer means, i.e. using infrared, visible, or ultraviolet light with attenuation or whole or partial obturation of beams of light the beams of light being detected by photocells influencing the transmission properties of an optical fibre
    • G01D5/35303—Mechanical means for transferring the output of a sensing member; Means for converting the output of a sensing member to another variable where the form or nature of the sensing member does not constrain the means for converting; Transducers not specially adapted for a specific variable characterised by optical transfer means, i.e. using infrared, visible, or ultraviolet light with attenuation or whole or partial obturation of beams of light the beams of light being detected by photocells influencing the transmission properties of an optical fibre using a reference fibre, e.g. interferometric devices
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01B—MEASURING LENGTH, THICKNESS OR SIMILAR LINEAR DIMENSIONS; MEASURING ANGLES; MEASURING AREAS; MEASURING IRREGULARITIES OF SURFACES OR CONTOURS
    • G01B9/00—Measuring instruments characterised by the use of optical techniques
    • G01B9/02—Interferometers
    • G01B9/02055—Reduction or prevention of errors; Testing; Calibration
    • G01B9/02062—Active error reduction, i.e. varying with time
    • G01B9/02064—Active error reduction, i.e. varying with time by particular adjustment of coherence gate, i.e. adjusting position of zero path difference in low coherence interferometry
    • G01B9/02065—Active error reduction, i.e. varying with time by particular adjustment of coherence gate, i.e. adjusting position of zero path difference in low coherence interferometry using a second interferometer before or after measuring interferometer

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Investigating Or Analysing Materials By Optical Means (AREA)
  • Length Measuring Devices By Optical Means (AREA)
DE60320981T 2002-05-17 2003-05-13 Faseroptischer interferometrischer fernsensor Expired - Lifetime DE60320981D1 (de)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
GB0211389A GB0211389D0 (en) 2002-05-17 2002-05-17 Temporal pulse separation
GB0211390A GB0211390D0 (en) 2002-05-17 2002-05-17 Intensity based interrogation
PCT/GB2003/002055 WO2003098156A1 (en) 2002-05-17 2003-05-13 Fibre-optic interferometric remote sensor

Publications (1)

Publication Number Publication Date
DE60320981D1 true DE60320981D1 (de) 2008-06-26

Family

ID=29551436

Family Applications (1)

Application Number Title Priority Date Filing Date
DE60320981T Expired - Lifetime DE60320981D1 (de) 2002-05-17 2003-05-13 Faseroptischer interferometrischer fernsensor

Country Status (5)

Country Link
US (1) US7292345B2 (de)
EP (1) EP1506373B1 (de)
AU (1) AU2003227930A1 (de)
DE (1) DE60320981D1 (de)
WO (1) WO2003098156A1 (de)

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JP4817786B2 (ja) * 2005-10-03 2011-11-16 株式会社山武 差圧測定システム及び差圧測定方法
US7636166B2 (en) * 2006-01-23 2009-12-22 Zygo Corporation Interferometer system for monitoring an object
US7793543B2 (en) * 2007-05-04 2010-09-14 Baker Hughes Incorporated Method of measuring borehole gravitational acceleration
US20090080898A1 (en) * 2007-09-24 2009-03-26 Fiber Sensys Llc Method and apparatus for reducing noise in a fiber-optic sensor
US8672539B2 (en) 2008-06-12 2014-03-18 Halliburton Energy Services, Inc. Multiple sensor fiber optic sensing system
WO2009151454A1 (en) * 2008-06-12 2009-12-17 Welldynamics, Inc. Multiple sensor fiber optic sensing system
US7736067B2 (en) * 2008-10-10 2010-06-15 Schlumberger Technology Corporation Fiber optic seal
US8401401B2 (en) * 2008-10-14 2013-03-19 Schlumberger Technology Corporation Polarization-diverse, heterodyne optical receiving system
US8004688B2 (en) 2008-11-26 2011-08-23 Zygo Corporation Scan error correction in low coherence scanning interferometry
EP2534337A4 (de) * 2010-02-10 2014-11-12 Fmc Technologies Optischer unterwasserschalter
CN103119393B (zh) * 2010-10-08 2015-04-08 哈尔滨工程大学 基于光纤环行器的多光路自相关器
CN102162742B (zh) * 2011-01-07 2012-08-22 哈尔滨工程大学 基于非平衡Michelson干涉式准分布光纤白光应变传感解调装置
ES2628456T3 (es) * 2011-09-26 2017-08-02 Wavelight Gmbh Técnica de Tomografía de Coherencia Óptica
EP2856098B1 (de) 2012-05-25 2019-10-16 Vascular Imaging Corporation Faseroptischer drucksensor
WO2014055729A1 (en) * 2012-10-04 2014-04-10 Vascular Imaging Corporatoin Polarization scrambling for intra-body fiber optic sensor
NO346781B1 (en) * 2013-05-17 2022-12-27 Weatherford Tech Holdings Llc A cable for use in a downhole sensing system, and sensing system comprising the cable
US10327645B2 (en) 2013-10-04 2019-06-25 Vascular Imaging Corporation Imaging techniques using an imaging guidewire
US10537255B2 (en) 2013-11-21 2020-01-21 Phyzhon Health Inc. Optical fiber pressure sensor
WO2016099923A1 (en) 2014-12-17 2016-06-23 Pgs Geophysical As Optical filter
AU2015363065B2 (en) 2014-12-17 2021-02-04 Geospace Technologies Corporation Pressure insensitive interferometer
EP3234668B1 (de) * 2014-12-17 2022-02-16 Geospace Technologies Corporation Verzweigungsvorrichtung für faseroptische schaltungen
GB201503861D0 (en) * 2015-03-06 2015-04-22 Silixa Ltd Method and apparatus for optical sensing
US10578464B2 (en) 2015-11-24 2020-03-03 Schlumberger Technology Corporation Identification of features on an optical fiber using a distributed temperature sensor
US10656041B2 (en) 2015-11-24 2020-05-19 Schlumberger Technology Corporation Detection of leaks from a pipeline using a distributed temperature sensor
CN106052720B (zh) * 2016-06-06 2019-01-11 东莞先进光纤应用技术研究院有限公司 光纤传感系统以及光纤传感系统线路消扰的方法
GB201700266D0 (en) 2017-01-06 2017-02-22 Silixa Ltd Method and apparatus for optical sensing
GB2568305B (en) 2017-11-13 2022-06-15 Univ Cranfield A fibre optic sensing device
CN110987038B (zh) * 2019-12-17 2021-12-07 南京曦光信息科技有限公司 一种分布式光纤扰动检测装置

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5963321A (en) * 1997-07-31 1999-10-05 Virginia Tech Intellectual Properties, Inc. Self-calibrating optical fiber pressure, strain and temperature sensors
US6122305A (en) * 1998-02-17 2000-09-19 The United States Of America As Represented By The Secretary Of The Navy Broadband mode-locked fiber laser, particularly for fiber Bragg grating interrogation

Also Published As

Publication number Publication date
US7292345B2 (en) 2007-11-06
EP1506373B1 (de) 2008-05-14
US20050232531A1 (en) 2005-10-20
WO2003098156A1 (en) 2003-11-27
AU2003227930A1 (en) 2003-12-02
EP1506373A1 (de) 2005-02-16

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Legal Events

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