DE60014631D1 - Dehnungsmessung - Google Patents

Dehnungsmessung

Info

Publication number
DE60014631D1
DE60014631D1 DE60014631T DE60014631T DE60014631D1 DE 60014631 D1 DE60014631 D1 DE 60014631D1 DE 60014631 T DE60014631 T DE 60014631T DE 60014631 T DE60014631 T DE 60014631T DE 60014631 D1 DE60014631 D1 DE 60014631D1
Authority
DE
Germany
Prior art keywords
strain measurement
strain
measurement
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
DE60014631T
Other languages
English (en)
Other versions
DE60014631T2 (de
Inventor
Christopher Groves-Kirkby
Ian Bennion
John Williams
Lin Zhang
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.)
Lumentum Technology UK Ltd
Original Assignee
Bookham Technology PLC
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 Bookham Technology PLC filed Critical Bookham Technology PLC
Application granted granted Critical
Publication of DE60014631D1 publication Critical patent/DE60014631D1/de
Publication of DE60014631T2 publication Critical patent/DE60014631T2/de
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01L—MEASURING FORCE, STRESS, TORQUE, WORK, MECHANICAL POWER, MECHANICAL EFFICIENCY, OR FLUID PRESSURE
    • G01L1/00—Measuring force or stress, in general
    • G01L1/24—Measuring 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
    • G01L1/242—Measuring 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
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01B—MEASURING LENGTH, THICKNESS OR SIMILAR LINEAR DIMENSIONS; MEASURING ANGLES; MEASURING AREAS; MEASURING IRREGULARITIES OF SURFACES OR CONTOURS
    • G01B11/00—Measuring arrangements characterised by the use of optical techniques
    • G01B11/16—Measuring arrangements characterised by the use of optical techniques for measuring the deformation in a solid, e.g. optical strain gauge
    • G01B11/18—Measuring arrangements characterised by the use of optical techniques for measuring the deformation in a solid, e.g. optical strain gauge using photoelastic elements
    • 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
    • G01D5/35383—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 multiple sensor devices using multiplexing techniques

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Length Measuring Devices By Optical Means (AREA)
  • Optical Transform (AREA)
DE60014631T 1999-03-19 2000-03-17 Dehnungsmessung Expired - Lifetime DE60014631T2 (de)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
GB9906361A GB2348000B (en) 1999-03-19 1999-03-19 Strain sensing
GB9906361 1999-03-19
PCT/GB2000/000994 WO2000057148A1 (en) 1999-03-19 2000-03-17 Strain sensing

Publications (2)

Publication Number Publication Date
DE60014631D1 true DE60014631D1 (de) 2004-11-11
DE60014631T2 DE60014631T2 (de) 2006-03-02

Family

ID=10849964

Family Applications (1)

Application Number Title Priority Date Filing Date
DE60014631T Expired - Lifetime DE60014631T2 (de) 1999-03-19 2000-03-17 Dehnungsmessung

Country Status (7)

Country Link
US (1) US6816638B1 (de)
EP (1) EP1183510B1 (de)
AU (1) AU3305800A (de)
CA (1) CA2366557A1 (de)
DE (1) DE60014631T2 (de)
GB (1) GB2348000B (de)
WO (1) WO2000057148A1 (de)

Families Citing this family (22)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2372100B (en) * 2001-02-13 2003-04-16 Marconi Caswell Ltd Optical Waveguide Bragg Grating System
DE10145350B4 (de) * 2001-09-14 2006-03-30 Airbus Deutschland Gmbh Erhöhung der Auflösung bei Bragg-Sensor-Meßsystemen
US6876786B2 (en) * 2002-10-02 2005-04-05 Cicese-Centro De Investigation Fiber-optic sensing system for distributed detection and localization of alarm conditions
US7129470B2 (en) * 2003-06-04 2006-10-31 Weatherford/Lamb, Inc. Optical sensor using a long period grating suitable for dynamic interrogation
US7488929B2 (en) * 2003-08-13 2009-02-10 Zygo Corporation Perimeter detection using fiber optic sensors
BRPI0403268B1 (pt) * 2004-08-10 2017-07-18 Petroleo Brasileiro S.A. - Petrobras System for reading and data acquisition for fiber optical sensors
WO2006127034A2 (en) * 2004-10-15 2006-11-30 Morgan Research Corporation Embeddable polarimetric fiber optic sensor and method for monitoring of structures
WO2006075972A1 (en) * 2005-01-14 2006-07-20 Sif Universal Pte Ltd Bending sensor arrangement
DE102005020125B3 (de) * 2005-04-29 2006-10-12 Siemens Ag Kraftmesseinrichtung zur Bestimmung einer Kontaktkraft
DE102006027414A1 (de) * 2006-06-13 2007-12-27 Siemens Ag Faseroptische Kraftmessung im Gurtband
US8432537B2 (en) * 2008-06-16 2013-04-30 Duhane Lam Photoelastic coating for structural monitoring
CN101701450B (zh) * 2009-09-30 2011-12-21 法尔胜集团公司 内置光纤光栅传感器的桥梁用智能缆索***
NL2004500C2 (nl) † 2010-04-01 2011-10-04 Konink Bam Groep Nv Systeem en werkwijze voor het bepalen van aslast en/of totaalgewicht van een voertuig, alsmede sensorinrichting.
DE102010035958B8 (de) * 2010-08-31 2012-07-05 Airbus Operations Gmbh Vorrichtung und Verfahren zur Herstellung eines Bauteils sowie Flugzeugstrukturbauteil
CN104024815B (zh) * 2011-09-30 2016-06-22 维斯塔斯风力***集团公司 光纤光栅传感器***和方法
BR112014019644B1 (pt) * 2012-02-09 2021-04-20 Osmos Group dispositivo, sistema e método de monitoramento para o monitoramento de uma área de construção ou solo, usando pelo menos um guia de onda de luz
GB201503861D0 (en) 2015-03-06 2015-04-22 Silixa Ltd Method and apparatus for optical sensing
US9983121B2 (en) * 2015-04-23 2018-05-29 Faz Technology Limited Photonic sensor tracking
FR3049342B1 (fr) * 2016-03-23 2018-04-13 Universite De Nantes Capteur de courbure a fibre optique et dispositif de mesure comprenant ledit capteur
NL2016744B1 (en) 2016-05-09 2017-11-16 Fugro Tech Bv Fiber-optic based traffic and infrastructure monitoring system
US11761797B2 (en) 2017-10-02 2023-09-19 Intuitive Surgical Operations, Inc. Optical fiber with microgratings for increased measurable strain range
CN112798262B (zh) * 2021-02-05 2022-09-27 天津求实飞博科技有限公司 一种基于光纤光栅的盾构机刀头磨损监测装置

Family Cites Families (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
AU582893B2 (en) * 1985-09-10 1989-04-13 Gec-Marconi Limited Improvements relating to optical devices
GB2268581A (en) * 1992-07-03 1994-01-12 Marconi Gec Ltd Optical fibre diffraction grating sensor
US5426297A (en) * 1993-09-27 1995-06-20 United Technologies Corporation Multiplexed Bragg grating sensors
US5451772A (en) * 1994-01-13 1995-09-19 Mechanical Technology Incorporated Distributed fiber optic sensor
US5748312A (en) * 1995-09-19 1998-05-05 United States Of American As Represented By The Secretary Of The Navy Sensing apparatus and method for detecting strain between fiber bragg grating sensors inscribed into an optical fiber
US5680489A (en) * 1996-06-28 1997-10-21 The United States Of America As Represented By The Secretary Of The Navy Optical sensor system utilizing bragg grating sensors
GB2317008B (en) * 1996-09-06 2000-02-02 British Aerospace A fibre optic interferometric strain gauge assembly
US5828059A (en) * 1996-09-09 1998-10-27 Udd; Eric Transverse strain measurements using fiber optic grating based sensors
US6072567A (en) * 1997-02-12 2000-06-06 Cidra Corporation Vertical seismic profiling system having vertical seismic profiling optical signal processing equipment and fiber Bragg grafting optical sensors
US5987197A (en) * 1997-11-07 1999-11-16 Cidra Corporation Array topologies for implementing serial fiber Bragg grating interferometer arrays

Also Published As

Publication number Publication date
CA2366557A1 (en) 2000-09-28
GB2348000A (en) 2000-09-20
EP1183510B1 (de) 2004-10-06
US6816638B1 (en) 2004-11-09
WO2000057148A1 (en) 2000-09-28
EP1183510A1 (de) 2002-03-06
GB2348000B (en) 2001-02-07
GB9906361D0 (en) 1999-05-12
AU3305800A (en) 2000-10-09
DE60014631T2 (de) 2006-03-02

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Legal Events

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