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GB202012154D0 - Distributed fibre optic sensing - Google Patents

Distributed fibre optic sensing

Info

Publication number
GB202012154D0
GB202012154D0 GBGB2012154.7A GB202012154A GB202012154D0 GB 202012154 D0 GB202012154 D0 GB 202012154D0 GB 202012154 A GB202012154 A GB 202012154A GB 202012154 D0 GB202012154 D0 GB 202012154D0
Authority
GB
United Kingdom
Prior art keywords
fibre optic
optic sensing
distributed fibre
distributed
sensing
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.)
Ceased
Application number
GBGB2012154.7A
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.)
Optasense Holdings Ltd
Original Assignee
Optasense Holdings 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 Optasense Holdings Ltd filed Critical Optasense Holdings Ltd
Priority to GBGB2012154.7A priority Critical patent/GB202012154D0/en
Publication of GB202012154D0 publication Critical patent/GB202012154D0/en
Priority to PCT/GB2021/051966 priority patent/WO2022029412A1/en
Ceased 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
    • G01D5/35338—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
    • G01D5/35361—Sensor working in reflection using backscattering to detect the measured quantity using elastic backscattering to detect the measured quantity, e.g. using Rayleigh backscattering

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Optical Transform (AREA)
GBGB2012154.7A 2020-08-05 2020-08-05 Distributed fibre optic sensing Ceased GB202012154D0 (en)

Priority Applications (2)

Application Number Priority Date Filing Date Title
GBGB2012154.7A GB202012154D0 (en) 2020-08-05 2020-08-05 Distributed fibre optic sensing
PCT/GB2021/051966 WO2022029412A1 (en) 2020-08-05 2021-07-29 Distributed fibre optic sensing

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GBGB2012154.7A GB202012154D0 (en) 2020-08-05 2020-08-05 Distributed fibre optic sensing

Publications (1)

Publication Number Publication Date
GB202012154D0 true GB202012154D0 (en) 2020-09-16

Family

ID=72425197

Family Applications (1)

Application Number Title Priority Date Filing Date
GBGB2012154.7A Ceased GB202012154D0 (en) 2020-08-05 2020-08-05 Distributed fibre optic sensing

Country Status (2)

Country Link
GB (1) GB202012154D0 (en)
WO (1) WO2022029412A1 (en)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20230283385A1 (en) * 2022-02-18 2023-09-07 Nec Laboratories America, Inc Data transmission-tolerant distributed acoustic sensing using chirped-pulses with time-domain roll off

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2442745B (en) 2006-10-13 2011-04-06 At & T Corp Method and apparatus for acoustic sensing using multiple optical pulses
US7859654B2 (en) * 2008-07-17 2010-12-28 Schlumberger Technology Corporation Frequency-scanned optical time domain reflectometry
GB201020827D0 (en) * 2010-12-08 2011-01-19 Fotech Solutions Ltd Distrubuted optical fibre sensor
GB2489749B (en) 2011-04-08 2016-01-20 Optasense Holdings Ltd Fibre optic distributed sensing
GB201408130D0 (en) * 2014-05-08 2014-06-25 Optasense Holdings Ltd Improvements in fibre optic distributed sensing
GB201515505D0 (en) * 2015-09-01 2015-10-14 Optasense Holdings Ltd Distributed fibre optic sensing
GB2578116A (en) * 2018-10-16 2020-04-22 Aiq Dienstleistungen Ug Haftungsbeschraenkt High rate distributed acoustic sensing using high power light pulses

Also Published As

Publication number Publication date
WO2022029412A1 (en) 2022-02-10

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Legal Events

Date Code Title Description
AT Applications terminated before publication under section 16(1)