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GB201419732D0 - System and method for detecting a change in shape of at least one predefined region of an optical fibre - Google Patents

System and method for detecting a change in shape of at least one predefined region of an optical fibre

Info

Publication number
GB201419732D0
GB201419732D0 GBGB1419732.1A GB201419732A GB201419732D0 GB 201419732 D0 GB201419732 D0 GB 201419732D0 GB 201419732 A GB201419732 A GB 201419732A GB 201419732 D0 GB201419732 D0 GB 201419732D0
Authority
GB
United Kingdom
Prior art keywords
detecting
change
shape
optical fibre
predefined region
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.)
Withdrawn
Application number
GBGB1419732.1A
Other versions
GB2532031A (en
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.)
Cambridge Consultants Ltd
Original Assignee
Cambridge Consultants 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 Cambridge Consultants Ltd filed Critical Cambridge Consultants Ltd
Priority to GB1419732.1A priority Critical patent/GB2532031A/en
Publication of GB201419732D0 publication Critical patent/GB201419732D0/en
Priority to PCT/GB2015/053358 priority patent/WO2016071700A1/en
Priority to GB1519586.0A priority patent/GB2534643A/en
Publication of GB2532031A publication Critical patent/GB2532031A/en
Withdrawn legal-status Critical Current

Links

Classifications

    • GPHYSICS
    • G01MEASURING; TESTING
    • G01BMEASURING LENGTH, THICKNESS OR SIMILAR LINEAR DIMENSIONS; MEASURING ANGLES; MEASURING AREAS; MEASURING IRREGULARITIES OF SURFACES OR CONTOURS
    • G01B11/00Measuring arrangements characterised by the use of optical techniques
    • G01B11/16Measuring arrangements characterised by the use of optical techniques for measuring the deformation in a solid, e.g. optical strain gauge
    • G01B11/18Measuring arrangements characterised by the use of optical techniques for measuring the deformation in a solid, e.g. optical strain gauge using photoelastic elements
    • GPHYSICS
    • G01MEASURING; TESTING
    • G01DMEASURING 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
    • G01D5/00Mechanical 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
    • G01D5/26Mechanical 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
    • G01D5/32Mechanical 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
    • G01D5/34Mechanical 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
    • G01D5/353Mechanical 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
    • G01D5/35338Mechanical 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
    • G01D5/35354Sensor working in reflection
    • G01D5/35358Sensor working in reflection using backscattering to detect the measured quantity
    • G01D5/35361Sensor working in reflection using backscattering to detect the measured quantity using elastic backscattering to detect the measured quantity, e.g. using Rayleigh backscattering
    • GPHYSICS
    • G01MEASURING; TESTING
    • G01LMEASURING FORCE, STRESS, TORQUE, WORK, MECHANICAL POWER, MECHANICAL EFFICIENCY, OR FLUID PRESSURE
    • G01L1/00Measuring force or stress, in general
    • G01L1/24Measuring force or stress, in general by measuring variations of optical properties of material when it is stressed, e.g. by photoelastic stress analysis using infrared, visible light, ultraviolet
    • G01L1/242Measuring force or stress, in general by measuring variations of optical properties of material when it is stressed, e.g. by photoelastic stress analysis using infrared, visible light, ultraviolet the material being an optical fibre
    • GPHYSICS
    • G01MEASURING; TESTING
    • G01MTESTING STATIC OR DYNAMIC BALANCE OF MACHINES OR STRUCTURES; TESTING OF STRUCTURES OR APPARATUS, NOT OTHERWISE PROVIDED FOR
    • G01M11/00Testing of optical apparatus; Testing structures by optical methods not otherwise provided for
    • G01M11/08Testing mechanical properties
    • G01M11/083Testing mechanical properties by using an optical fiber in contact with the device under test [DUT]
    • G01M11/085Testing mechanical properties by using an optical fiber in contact with the device under test [DUT] the optical fiber being on or near the surface of the DUT
    • GPHYSICS
    • G01MEASURING; TESTING
    • G01MTESTING STATIC OR DYNAMIC BALANCE OF MACHINES OR STRUCTURES; TESTING OF STRUCTURES OR APPARATUS, NOT OTHERWISE PROVIDED FOR
    • G01M5/00Investigating the elasticity of structures, e.g. deflection of bridges or air-craft wings
    • G01M5/0091Investigating the elasticity of structures, e.g. deflection of bridges or air-craft wings by using electromagnetic excitation or detection

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Chemical & Material Sciences (AREA)
  • Analytical Chemistry (AREA)
  • Optics & Photonics (AREA)
  • Electromagnetism (AREA)
  • Engineering & Computer Science (AREA)
  • Aviation & Aerospace Engineering (AREA)
  • Length Measuring Devices By Optical Means (AREA)
  • Optical Transform (AREA)
GB1419732.1A 2014-11-05 2014-11-05 System and method for detecting a change in shape of at least one predefined region of an optical fibre Withdrawn GB2532031A (en)

Priority Applications (3)

Application Number Priority Date Filing Date Title
GB1419732.1A GB2532031A (en) 2014-11-05 2014-11-05 System and method for detecting a change in shape of at least one predefined region of an optical fibre
PCT/GB2015/053358 WO2016071700A1 (en) 2014-11-05 2015-11-05 System and method for detecting a change in shape of at least one predefined region of an optical fibre
GB1519586.0A GB2534643A (en) 2014-11-05 2015-11-05 System and method for detecting a change in shape of at least one predefined region of an optical fibre

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB1419732.1A GB2532031A (en) 2014-11-05 2014-11-05 System and method for detecting a change in shape of at least one predefined region of an optical fibre

Publications (2)

Publication Number Publication Date
GB201419732D0 true GB201419732D0 (en) 2014-12-17
GB2532031A GB2532031A (en) 2016-05-11

Family

ID=52118765

Family Applications (2)

Application Number Title Priority Date Filing Date
GB1419732.1A Withdrawn GB2532031A (en) 2014-11-05 2014-11-05 System and method for detecting a change in shape of at least one predefined region of an optical fibre
GB1519586.0A Withdrawn GB2534643A (en) 2014-11-05 2015-11-05 System and method for detecting a change in shape of at least one predefined region of an optical fibre

Family Applications After (1)

Application Number Title Priority Date Filing Date
GB1519586.0A Withdrawn GB2534643A (en) 2014-11-05 2015-11-05 System and method for detecting a change in shape of at least one predefined region of an optical fibre

Country Status (2)

Country Link
GB (2) GB2532031A (en)
WO (1) WO2016071700A1 (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN110633486A (en) * 2018-06-22 2019-12-31 香港大学 Real-time surface shape sensing of flexible structures

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WO2018232136A1 (en) 2017-06-16 2018-12-20 Saint-Gobain Adfors Canada, Ltd. Sensing textile
CN108801156A (en) * 2018-07-20 2018-11-13 桂林电子科技大学 A kind of plastic optical fiber displacement sensor and preparation method thereof
CN109405761A (en) * 2018-11-14 2019-03-01 深圳市迈步机器人科技有限公司 Fibre optical sensor, deformation detecting device, detection method and data glove
EP4147023A4 (en) * 2020-05-08 2024-05-22 Arkwright Technologies Pty Ltd. An optical element for sensing a change in strain
FR3135324B1 (en) * 2022-05-06 2024-09-20 Osmos Group Method, system and sensor for monitoring a structure by optical fiber
US20240302230A1 (en) * 2023-03-07 2024-09-12 Cts Corporation Fiber bragg grating sensor with resonant cavity led
US20250102444A1 (en) * 2023-09-22 2025-03-27 Honeywell International Inc. Fiber optic profiler for early damage warning

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US4927232A (en) * 1985-03-18 1990-05-22 G2 Systems Corporation Structural monitoring system using fiber optics
GB8322486D0 (en) * 1983-08-20 1983-09-21 Nmi Ltd Crack monitors
US4692610A (en) * 1986-01-30 1987-09-08 Grumman Aerospace Corporation Fiber optic aircraft load relief control system
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JP2977091B2 (en) * 1990-09-28 1999-11-10 安藤電気株式会社 Optical pulse tester using heterodyne light reception
US5250802A (en) * 1991-11-04 1993-10-05 Teledyne Ryan Aeronautical, Division Of Teledyne Industries, Inc. Fiber optic stress sensor for structural joints
US5446278A (en) * 1993-12-23 1995-08-29 The United States Of America As Represented By The United States Department Of Energy Fiber optic sensor employing successively destroyed coupled points or reflectors for detecting shock wave speed and damage location
US5567932A (en) * 1995-08-01 1996-10-22 Sandia Corporation Geomembrane barriers using integral fiber optics to monitor barrier integrity
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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN110633486A (en) * 2018-06-22 2019-12-31 香港大学 Real-time surface shape sensing of flexible structures

Also Published As

Publication number Publication date
GB201519586D0 (en) 2015-12-23
WO2016071700A1 (en) 2016-05-12
GB2532031A (en) 2016-05-11
GB2534643A (en) 2016-08-03

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Legal Events

Date Code Title Description
WAP Application withdrawn, taken to be withdrawn or refused ** after publication under section 16(1)