DE69409386T2 - Sensorsystem - Google Patents

Sensorsystem

Info

Publication number
DE69409386T2
DE69409386T2 DE69409386T DE69409386T DE69409386T2 DE 69409386 T2 DE69409386 T2 DE 69409386T2 DE 69409386 T DE69409386 T DE 69409386T DE 69409386 T DE69409386 T DE 69409386T DE 69409386 T2 DE69409386 T2 DE 69409386T2
Authority
DE
Germany
Prior art keywords
sensor system
sensor
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
DE69409386T
Other languages
English (en)
Other versions
DE69409386D1 (de
Inventor
Roy Mcbride
James Burnett
Alan Greenaway
Julian Jones
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.)
Qinetiq Ltd
Original Assignee
UK Secretary of State for Defence
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 UK Secretary of State for Defence filed Critical UK Secretary of State for Defence
Publication of DE69409386D1 publication Critical patent/DE69409386D1/de
Application granted granted Critical
Publication of DE69409386T2 publication Critical patent/DE69409386T2/de
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01B—MEASURING LENGTH, THICKNESS OR SIMILAR LINEAR DIMENSIONS; MEASURING ANGLES; MEASURING AREAS; MEASURING IRREGULARITIES OF SURFACES OR CONTOURS
    • G01B9/00—Measuring instruments characterised by the use of optical techniques
    • G01B9/02—Interferometers
    • G01B9/02055—Reduction or prevention of errors; Testing; Calibration
    • G01B9/0207—Error reduction by correction of the measurement signal based on independently determined error sources, e.g. using a reference interferometer
    • G01B9/02072—Error reduction by correction of the measurement signal based on independently determined error sources, e.g. using a reference interferometer by calibration or testing of interferometer
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01B—MEASURING LENGTH, THICKNESS OR SIMILAR LINEAR DIMENSIONS; MEASURING ANGLES; MEASURING AREAS; MEASURING IRREGULARITIES OF SURFACES OR CONTOURS
    • G01B9/00—Measuring instruments characterised by the use of optical techniques
    • G01B9/02—Interferometers
    • G01B9/02015—Interferometers characterised by the beam path configuration
    • G01B9/02023—Indirect probing of object, e.g. via influence on cavity or fibre
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01B—MEASURING LENGTH, THICKNESS OR SIMILAR LINEAR DIMENSIONS; MEASURING ANGLES; MEASURING AREAS; MEASURING IRREGULARITIES OF SURFACES OR CONTOURS
    • G01B9/00—Measuring instruments characterised by the use of optical techniques
    • G01B9/02—Interferometers
    • G01B9/0209—Low-coherence interferometers
    • 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
    • G01D5/35303—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 a reference fibre, e.g. interferometric devices
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01K—MEASURING TEMPERATURE; MEASURING QUANTITY OF HEAT; THERMALLY-SENSITIVE ELEMENTS NOT OTHERWISE PROVIDED FOR
    • G01K5/00—Measuring temperature based on the expansion or contraction of a material
    • G01K5/48—Measuring temperature based on the expansion or contraction of a material the material being a solid
    • G01K5/50—Measuring temperature based on the expansion or contraction of a material the material being a solid arranged for free expansion or contraction
    • G01K5/52—Measuring temperature based on the expansion or contraction of a material the material being a solid arranged for free expansion or contraction with electrical conversion means for final indication
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01B—MEASURING LENGTH, THICKNESS OR SIMILAR LINEAR DIMENSIONS; MEASURING ANGLES; MEASURING AREAS; MEASURING IRREGULARITIES OF SURFACES OR CONTOURS
    • G01B2290/00—Aspects of interferometers not specifically covered by any group under G01B9/02
    • G01B2290/70—Using polarization in the interferometer

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Length Measuring Devices By Optical Means (AREA)
  • Instruments For Measurement Of Length By Optical Means (AREA)
DE69409386T 1993-07-12 1994-06-27 Sensorsystem Expired - Fee Related DE69409386T2 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
GB939314487A GB9314487D0 (en) 1993-07-12 1993-07-12 Sensor system
PCT/GB1994/001388 WO1995002802A1 (en) 1993-07-12 1994-06-27 Sensor system

Publications (2)

Publication Number Publication Date
DE69409386D1 DE69409386D1 (de) 1998-05-07
DE69409386T2 true DE69409386T2 (de) 1998-07-23

Family

ID=10738760

Family Applications (1)

Application Number Title Priority Date Filing Date
DE69409386T Expired - Fee Related DE69409386T2 (de) 1993-07-12 1994-06-27 Sensorsystem

Country Status (7)

Country Link
US (1) US5721615A (de)
EP (1) EP0708913B1 (de)
JP (1) JP3554326B2 (de)
CA (1) CA2167066A1 (de)
DE (1) DE69409386T2 (de)
GB (2) GB9314487D0 (de)
WO (1) WO1995002802A1 (de)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE10301416B3 (de) * 2003-01-16 2004-07-15 Medizinisches Laserzentrum Lübeck GmbH Verfahren und Vorrichtung zur kontaktlosen Temperaturüberwachung und -regelung

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US5589641A (en) * 1995-06-05 1996-12-31 Mcdonnell Douglas Corporation Strain and fabry-perot etalon measurement system and method
GB2311600A (en) * 1996-03-29 1997-10-01 Secr Defence Optic Fibre Interferometric sensor
GB2325741B (en) * 1996-03-29 2000-03-01 Secr Defence Sensor system
GB9721473D0 (en) * 1997-10-09 1997-12-10 Sensor Dynamics Ltd Interferometric sensing apparatus
US6014215A (en) * 1998-04-14 2000-01-11 Physical Optics Corporation Self-referencing interferometric fiber optic sensor system having a transducer mechanism with a position reference reflector
US6175668B1 (en) * 1999-02-26 2001-01-16 Corning Incorporated Wideband polarization splitter, combiner, isolator and controller
US6870975B1 (en) 2001-11-14 2005-03-22 Fiber Optic Systems Technology, Inc. Fiber optic sensor usable over wide range of gage lengths
US6804008B1 (en) 2001-11-14 2004-10-12 Fiber Optic Systems Technology, Inc. Fiber optic sensing instrument and system with fiber of adjustable optical path length and method of using it
US6900895B2 (en) * 2001-12-06 2005-05-31 Agilent Technologies, Inc. Phase noise compensation in an interferometric system
US6842254B2 (en) * 2002-10-16 2005-01-11 Fiso Technologies Inc. System and method for measuring an optical path difference in a sensing interferometer
WO2005029022A1 (en) * 2003-09-19 2005-03-31 Queen's University At Kingston Method and apparatus for directly measuring the phase change of an optical signal
US7245382B2 (en) * 2003-10-24 2007-07-17 Optoplan As Downhole optical sensor system with reference
US7633607B2 (en) * 2004-09-01 2009-12-15 Luna Innovations Incorporated Method and apparatus for calibrating measurement equipment
US7632012B2 (en) * 2005-09-01 2009-12-15 Siemens Energy, Inc. Method of measuring in situ differential emissivity and temperature
US7425820B2 (en) * 2006-03-23 2008-09-16 Dynamp Llc High current measurement with temperature compensation
US8277119B2 (en) * 2006-12-19 2012-10-02 Vibrosystm, Inc. Fiber optic temperature sensor
CA2680013A1 (en) * 2007-03-22 2008-09-25 Baker Hugues Incorporated Location dependent calibration for distributed temperature sensor measurements
WO2009059406A1 (en) * 2007-11-06 2009-05-14 Oti Ophthalmic Technologies Inc. Optical coherence tomography with tandem interferometer
JP5366112B2 (ja) * 2008-02-01 2013-12-11 独立行政法人産業技術総合研究所 内径測定装置
KR101007131B1 (ko) * 2008-11-25 2011-01-10 엘지이노텍 주식회사 발광 소자 패키지
US9316485B2 (en) * 2010-11-29 2016-04-19 Nokia Technologies Oy Apparatus comprising a plurality of interferometers and method of configuring such apparatus
AT512044B1 (de) * 2012-01-17 2013-05-15 Femtolasers Produktions Gmbh Vorrichtung und verfahren zur optischen überprüfung einer probe
DE102012006420A1 (de) * 2012-03-30 2013-10-02 Carl Zeiss Sms Gmbh Temperatursensor sowie Verfahren zum Messen einer Temperaturänderung
US9303309B2 (en) 2013-01-11 2016-04-05 The Aerospace Corporation Systems and methods for enhancing mobility of atomic or molecular species on a substrate at reduced bulk temperature using acoustic waves, and structures formed using same
US9488531B2 (en) * 2013-08-27 2016-11-08 Baker Hughes Incorporated Loss compensation for distributed sensing in downhole environments
US10365167B2 (en) 2013-11-08 2019-07-30 United Technologies Corporation Fiber grating temperature sensor
US9689666B2 (en) 2014-10-07 2017-06-27 General Photonics Corporation 1-dimensional and 2-dimensional distributed fiber-optic strain and stress sensors based on polarization maintaining fiber using distributed polarization crosstalk analyzer as an interrogator
US9476699B2 (en) * 2015-03-05 2016-10-25 General Photonics Corporation Measurements of strain, stress and temperature by using 1-dimensional and 2-dimensional distributed fiber-optic sensors based on sensing by polarization maintaining fiber of distributed polarization crosstalk distribution
CN105115436B (zh) * 2015-08-04 2017-11-17 苏州光环科技有限公司 传感装置及监测应力和温度的方法
US10173262B2 (en) 2016-02-04 2019-01-08 The Aerospace Corporation Systems and methods for monitoring temperature using acoustic waves during processing of a material
US10160061B2 (en) 2016-08-15 2018-12-25 The Aerospace Corporation Systems and methods for modifying acoustic waves based on selective heating
DE102016215173A1 (de) * 2016-08-15 2018-02-15 Leoni Kabel Gmbh Verfahren zur Überwachung einer Leitung auf veränderte Umgebungsbedingungen sowie Messanordnung zur Überwachung einer Leitung auf veränderte Umgebungsbedingungen
CN107402054B (zh) * 2017-07-25 2023-08-15 吉林大学 一种基于马赫-增德尔干涉的光纤水位传感装置及方法

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DE3420172A1 (de) * 1984-05-30 1985-12-05 Bodenseewerk Gerätetechnik GmbH, 7770 Überlingen Vorrichtung zur messung des linienintegrals einer oertlich veraenderlichen messgroesse
US4671659A (en) * 1985-11-08 1987-06-09 Martin Marietta Corporation Fiber optic displacement sensor
US4755668A (en) * 1986-10-03 1988-07-05 Optical Technologies, Inc. Fiber optic interferometric thermometer with serially positioned fiber optic sensors
GB2207236B (en) * 1987-07-21 1991-04-24 Plessey Co Plc Improvements relating to optical fibre sensing arrangements
US4859844A (en) * 1988-02-24 1989-08-22 Hughes Aircraft Company Comb filter pressure/temperature sensing system
IT1255073B (it) * 1992-04-01 1995-10-18 Cise Spa Procedimento e apparecchio per la misura assoluta e indipendente di grandezze meccaniche e termiche che agiscono contemporaneamente su una fibra ottica

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE10301416B3 (de) * 2003-01-16 2004-07-15 Medizinisches Laserzentrum Lübeck GmbH Verfahren und Vorrichtung zur kontaktlosen Temperaturüberwachung und -regelung

Also Published As

Publication number Publication date
GB9600675D0 (en) 1996-03-13
WO1995002802A1 (en) 1995-01-26
JPH08512408A (ja) 1996-12-24
DE69409386D1 (de) 1998-05-07
EP0708913A1 (de) 1996-05-01
US5721615A (en) 1998-02-24
GB2295010B (en) 1997-06-11
EP0708913B1 (de) 1998-04-01
CA2167066A1 (en) 1995-01-26
GB9314487D0 (en) 1993-08-25
GB2295010A (en) 1996-05-15
JP3554326B2 (ja) 2004-08-18

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Legal Events

Date Code Title Description
8364 No opposition during term of opposition
8327 Change in the person/name/address of the patent owner

Owner name: QINETIQ LTD., LONDON, GB

8339 Ceased/non-payment of the annual fee