DE602004028222D1 - Verfahren und vorrichtung zur erzeugung und weiter für lange strecke messung - Google Patents

Verfahren und vorrichtung zur erzeugung und weiter für lange strecke messung

Info

Publication number
DE602004028222D1
DE602004028222D1 DE602004028222T DE602004028222T DE602004028222D1 DE 602004028222 D1 DE602004028222 D1 DE 602004028222D1 DE 602004028222 T DE602004028222 T DE 602004028222T DE 602004028222 T DE602004028222 T DE 602004028222T DE 602004028222 D1 DE602004028222 D1 DE 602004028222D1
Authority
DE
Germany
Prior art keywords
light
fiber
losses
temperature
raman scattering
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 - Fee Related
Application number
DE602004028222T
Other languages
English (en)
Inventor
Mahmoud Farhadiroushan
Tom Richard Parker
Peter Neil Kean
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.)
Sensornet Ltd
Original Assignee
Sensornet 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 GBGB0303155.6A external-priority patent/GB0303155D0/en
Priority claimed from GB0303118A external-priority patent/GB0303118D0/en
Application filed by Sensornet Ltd filed Critical Sensornet Ltd
Publication of DE602004028222D1 publication Critical patent/DE602004028222D1/de
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

Links

Classifications

    • 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
    • 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
    • G01D5/35338—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 other arrangements than interferometer arrangements
    • G01D5/35354—Sensor working in reflection
    • G01D5/35358—Sensor working in reflection using backscattering to detect the measured quantity
    • G01D5/35364—Sensor working in reflection using backscattering to detect the measured quantity using inelastic backscattering to detect the measured quantity, e.g. using Brillouin or Raman backscattering

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Measuring Temperature Or Quantity Of Heat (AREA)
  • Investigating, Analyzing Materials By Fluorescence Or Luminescence (AREA)
  • Length Measuring Devices Characterised By Use Of Acoustic Means (AREA)
  • Spectrometry And Color Measurement (AREA)
DE602004028222T 2003-02-12 2004-02-11 Verfahren und vorrichtung zur erzeugung und weiter für lange strecke messung Expired - Fee Related DE602004028222D1 (de)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
GBGB0303155.6A GB0303155D0 (en) 2003-02-12 2003-02-12 Distributed sensor
GB0303118A GB0303118D0 (en) 2003-02-12 2003-02-12 Apparatus and method for generation and transmission of high energy optical pulses for long range measurements
PCT/GB2004/000565 WO2004073172A2 (en) 2003-02-12 2004-02-11 Method and apparatus for generation and transmission of high energy optical pulses for long range measurements

Publications (1)

Publication Number Publication Date
DE602004028222D1 true DE602004028222D1 (de) 2010-09-02

Family

ID=32870945

Family Applications (1)

Application Number Title Priority Date Filing Date
DE602004028222T Expired - Fee Related DE602004028222D1 (de) 2003-02-12 2004-02-11 Verfahren und vorrichtung zur erzeugung und weiter für lange strecke messung

Country Status (7)

Country Link
US (1) US8005323B2 (de)
EP (1) EP1604174B1 (de)
JP (1) JP2006517677A (de)
AT (1) ATE475068T1 (de)
CA (1) CA2515705C (de)
DE (1) DE602004028222D1 (de)
WO (1) WO2004073172A2 (de)

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GB2400906B (en) * 2003-04-24 2006-09-20 Sensor Highway Ltd Distributed optical fibre measurements
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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
GB0524838D0 (en) * 2005-12-06 2006-01-11 Sensornet Ltd Sensing system using optical fiber suited to high temperatures
US20080018884A1 (en) * 2006-01-19 2008-01-24 David Butler Intrusion Detection in Optical Fiber Networks
US7628531B2 (en) * 2006-03-13 2009-12-08 SensorTran, Inc Methods and apparatus for dual source calibration for distributed temperature systems
US7628533B2 (en) * 2006-03-13 2009-12-08 SensorTran, Inc Systems and methods for detecting corrosion
CN101910810B (zh) * 2008-01-18 2012-07-25 萨索特兰公司 用于扩展光纤分布式温度传感(dts)***的范围的方法和***
JP5130078B2 (ja) 2008-02-25 2013-01-30 株式会社フジクラ 光ファイバ分布型センサ装置
WO2011044887A1 (de) * 2009-10-15 2011-04-21 Hottinger Baldwin Messtechnik Gmbh Optisches messverfahren mit streulicht-eliminierung und vorrichtung dafür
GB0919899D0 (en) * 2009-11-13 2009-12-30 Qinetiq Ltd Fibre optic distributed sensing
GB0919906D0 (en) * 2009-11-13 2009-12-30 Qinetiq Ltd Improvements to distributed fibre optic sensing
JP2013517516A (ja) 2009-12-07 2013-05-16 リッピー、バレット デスペックル装置および方法
US9939653B2 (en) 2009-12-07 2018-04-10 Projection Ventures Inc. Despeckling stability
JP5152540B2 (ja) * 2010-06-22 2013-02-27 横河電機株式会社 光ファイバ温度分布測定装置
US8565618B2 (en) * 2010-10-05 2013-10-22 Verizon Patent And Licensing Inc. Automatic wavelength configuration
GB2489749B (en) * 2011-04-08 2016-01-20 Optasense Holdings Ltd Fibre optic distributed sensing
US20130208762A1 (en) * 2012-02-14 2013-08-15 Halliburton Energy Services Inc. Suppression of Stimulated Raman Scattering
US20130229649A1 (en) * 2012-03-01 2013-09-05 Ming-Jun Li Optical brillouin sensing systems
US9002150B2 (en) * 2012-05-08 2015-04-07 General Dynamics Advanced Information Systems, Inc. Optical sensing system and method
CN102680137B (zh) * 2012-06-07 2014-08-13 北京航空航天大学 一种可级联分布式光纤拉曼测温***
JP5742861B2 (ja) * 2013-02-28 2015-07-01 横河電機株式会社 光ファイバ温度分布測定装置
JP6152225B2 (ja) * 2014-07-22 2017-06-21 日本電信電話株式会社 Ｗｄｍ／ｔｄｍ−ｐｏｎシステム及びその送信開始時刻補正方法
CN104568218B (zh) * 2014-12-26 2017-12-08 武汉理工光科股份有限公司 提高分布式自发拉曼散射温度传感器工作距离的方法
CN104614091B (zh) * 2015-02-05 2017-07-21 中国科学院合肥物质科学研究院 全光纤长距离高空间分辨率单光子温度传感器
US20170299512A1 (en) * 2016-04-14 2017-10-19 Boyd V. Hunter Differential Excitation Raman Spectroscopy
DE102015113581B4 (de) * 2015-08-17 2021-02-04 Aiq Dienstleistungen Ug (Haftungsbeschränkt) Fasermessung mit Impulsformung
JP6537741B2 (ja) * 2017-07-11 2019-07-03 三菱電機株式会社 出力電力制御装置
US10935417B2 (en) * 2017-10-26 2021-03-02 Aiq Dienstleistungen Ug (Haftungsbeschränkt) Distributed acoustic sensing system using different coherent interrogating light patterns and corresponding sensing method
US10690552B2 (en) * 2017-12-06 2020-06-23 Baker Hughes, A Ge Company, Llc DTS performance improvement through variable mode path length averaging
EP3605048B1 (de) * 2018-08-01 2023-05-24 Viavi Solutions Inc. Doppelwellenlängenverteilte temperaturmessung mit eingebauter faserintegritätsüberwachung
GB2578116A (en) * 2018-10-16 2020-04-22 Aiq Dienstleistungen Ug Haftungsbeschraenkt High rate distributed acoustic sensing using high power light pulses
JP7238540B2 (ja) * 2019-03-27 2023-03-14 ウシオ電機株式会社 広帯域パルス光源装置、分光測定装置及び分光測定方法
US20220187126A1 (en) * 2019-03-27 2022-06-16 Ushio Denki Kabushiki Kaisha Broadband pulsed light source apparatus
JP7238541B2 (ja) * 2019-03-27 2023-03-14 ウシオ電機株式会社 分光測定装置及び分光測定方法
US11796647B2 (en) * 2020-06-01 2023-10-24 Huawei Technologies Co., Ltd. Method and apparatus for detecting an object using optical pulses with non-uniform power
CN113776691B (zh) * 2021-08-24 2023-05-26 太原理工大学 面向煤田采空区火源钻孔探测的分布式光纤温度传感方法
CN114530751B (zh) * 2022-02-18 2023-11-14 中国人民解放军国防科技大学 一种基于走离效应的高阶拉曼抑制方法
CN116735535B (zh) * 2023-08-11 2023-11-14 武汉理工大学 一种端面探头型准分布式光纤氢气传感***

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GB2400906B (en) * 2003-04-24 2006-09-20 Sensor Highway Ltd Distributed optical fibre measurements

Also Published As

Publication number Publication date
US8005323B2 (en) 2011-08-23
ATE475068T1 (de) 2010-08-15
JP2006517677A (ja) 2006-07-27
EP1604174B1 (de) 2010-07-21
WO2004073172A3 (en) 2004-12-02
US20060210269A1 (en) 2006-09-21
EP1604174A2 (de) 2005-12-14
CA2515705C (en) 2012-12-18
CA2515705A1 (en) 2004-08-26
WO2004073172A2 (en) 2004-08-26

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