ATE475068T1 - Verfahren und vorrichtung zur erzeugung und weiterleitung eines hoch energetiches optisches impulses für lange strecke messung - Google Patents

Verfahren und vorrichtung zur erzeugung und weiterleitung eines hoch energetiches optisches impulses für lange strecke messung

Info

Publication number
ATE475068T1
ATE475068T1 AT04710071T AT04710071T ATE475068T1 AT E475068 T1 ATE475068 T1 AT E475068T1 AT 04710071 T AT04710071 T AT 04710071T AT 04710071 T AT04710071 T AT 04710071T AT E475068 T1 ATE475068 T1 AT E475068T1
Authority
AT
Austria
Prior art keywords
light
fiber
generating
high energy
losses
Prior art date
Application number
AT04710071T
Other languages
English (en)
Inventor
Mahmoud Farhadiroushan
Tom Parker
Peter Neil Kean
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 GB0303118A external-priority patent/GB0303118D0/en
Priority claimed from GBGB0303155.6A external-priority patent/GB0303155D0/en
Application filed by Sensornet Ltd filed Critical Sensornet Ltd
Application granted granted Critical
Publication of ATE475068T1 publication Critical patent/ATE475068T1/de

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)
  • Spectrometry And Color Measurement (AREA)
  • Length Measuring Devices Characterised By Use Of Acoustic Means (AREA)
AT04710071T 2003-02-12 2004-02-11 Verfahren und vorrichtung zur erzeugung und weiterleitung eines hoch energetiches optisches impulses für lange strecke messung ATE475068T1 (de)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
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
GBGB0303155.6A GB0303155D0 (en) 2003-02-12 2003-02-12 Distributed sensor
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
ATE475068T1 true ATE475068T1 (de) 2010-08-15

Family

ID=32870945

Family Applications (1)

Application Number Title Priority Date Filing Date
AT04710071T ATE475068T1 (de) 2003-02-12 2004-02-11 Verfahren und vorrichtung zur erzeugung und weiterleitung eines hoch energetiches optisches impulses 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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US7628533B2 (en) * 2006-03-13 2009-12-08 SensorTran, Inc Systems and methods for detecting corrosion
US7628531B2 (en) * 2006-03-13 2009-12-08 SensorTran, Inc Methods and apparatus for dual source calibration for distributed temperature systems
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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
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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
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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
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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
US9871614B2 (en) * 2014-07-22 2018-01-16 Nippon Telegraph And Telephone Corporation WDM/TDM-PON system and transmission start time correction method thereof
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
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DE102015113581B4 (de) 2015-08-17 2021-02-04 Aiq Dienstleistungen Ug (Haftungsbeschränkt) Fasermessung mit Impulsformung
CN110832772B (zh) * 2017-07-11 2024-01-02 三菱电机株式会社 输出功率控制装置
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
WO2020196692A1 (ja) * 2019-03-27 2020-10-01 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
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
GB202001356D0 (en) 2020-01-31 2020-03-18 Fotech Group Ltd Distributed optical fibre sensor
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
CN114964545B (zh) * 2022-05-05 2025-04-25 重庆大学 基于反卷积算法的高空间分辨率分布式温度传感方法和装置
CN116499606B (zh) * 2023-06-14 2025-10-28 安徽工业大学 一种基于探测功率校正的光纤拉曼测温装置
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系统

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Also Published As

Publication number Publication date
EP1604174B1 (de) 2010-07-21
DE602004028222D1 (de) 2010-09-02
CA2515705A1 (en) 2004-08-26
WO2004073172A3 (en) 2004-12-02
US8005323B2 (en) 2011-08-23
JP2006517677A (ja) 2006-07-27
US20060210269A1 (en) 2006-09-21
CA2515705C (en) 2012-12-18
WO2004073172A2 (en) 2004-08-26
EP1604174A2 (de) 2005-12-14

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