DE3587641D1 - Verteilter, gemäss raumauflösung aufgestellter dehnungsmesser mit optischer faser. - Google Patents

Verteilter, gemäss raumauflösung aufgestellter dehnungsmesser mit optischer faser.

Info

Publication number
DE3587641D1
DE3587641D1 DE85903956T DE3587641T DE3587641D1 DE 3587641 D1 DE3587641 D1 DE 3587641D1 DE 85903956 T DE85903956 T DE 85903956T DE 3587641 T DE3587641 T DE 3587641T DE 3587641 D1 DE3587641 D1 DE 3587641D1
Authority
DE
Germany
Prior art keywords
distributed
optical fiber
space resolution
fiber set
expansion meter
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
DE85903956T
Other languages
English (en)
Other versions
DE3587641T2 (de
Inventor
Gerald Meltz
William Glenn
Elias Snitzer
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.)
Raytheon Technologies Corp
Original Assignee
United Technologies Corp
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 United Technologies Corp filed Critical United Technologies Corp
Publication of DE3587641D1 publication Critical patent/DE3587641D1/de
Application granted granted Critical
Publication of DE3587641T2 publication Critical patent/DE3587641T2/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
    • 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
    • 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

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Length Measuring Devices By Optical Means (AREA)
  • Optical Transform (AREA)
DE19853587641 1984-08-13 1985-07-31 Verteilter, gemäss raumauflösung aufgestellter dehnungsmesser mit optischer faser. Expired - Lifetime DE3587641T2 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US64049084A 1984-08-13 1984-08-13

Publications (2)

Publication Number Publication Date
DE3587641D1 true DE3587641D1 (de) 1993-12-02
DE3587641T2 DE3587641T2 (de) 1994-02-17

Family

ID=24568472

Family Applications (1)

Application Number Title Priority Date Filing Date
DE19853587641 Expired - Lifetime DE3587641T2 (de) 1984-08-13 1985-07-31 Verteilter, gemäss raumauflösung aufgestellter dehnungsmesser mit optischer faser.

Country Status (4)

Country Link
EP (1) EP0192659B1 (de)
JP (1) JPH067049B2 (de)
DE (1) DE3587641T2 (de)
WO (1) WO1986001286A1 (de)

Families Citing this family (28)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2155621B (en) * 1984-03-06 1988-01-06 Standard Telephones Cables Ltd Optical fibre sensors
GB2197946B (en) * 1986-06-19 1989-12-20 Pirelli General Plc Sensing strain and temperature
DE3804135A1 (de) * 1988-02-11 1989-08-24 Felten & Guilleaume Energie Verfahren zur kontinuierlichen daempfungsmessung von lichtwellenleiter-sensoren mit nur einem zugaenglichen ende
US4996419A (en) * 1989-12-26 1991-02-26 United Technologies Corporation Distributed multiplexed optical fiber Bragg grating sensor arrangeement
CA2055790A1 (en) * 1991-01-04 1992-07-05 Victor Vali System for accurately detecting changes in temperature and pressure
FR2683628B1 (fr) * 1991-11-12 1995-08-18 Gaz De France Capteur a fibre optique pour la mesure d'un parametre, procede d'evaluation d'un tel parametre, et application du capteur a la mesure d'un gaz.
US5280172A (en) * 1991-11-12 1994-01-18 Gaz De France Fiber optic sensor for measuring gas
FR2685081B1 (fr) * 1991-12-11 1994-02-04 Thomson Csf Structure a controle d'endommagement intrinseque, procede de fabrication et methode d'utilisation.
US5513913A (en) * 1993-01-29 1996-05-07 United Technologies Corporation Active multipoint fiber laser sensor
FR2727203B1 (fr) * 1994-11-18 1996-12-13 Commissariat Energie Atomique Micro-systeme optique de type rosette de jauges de contraintes a guides dielectriques pour la mesure d'une contrainte longitudinale en structure plane
AU693641B2 (en) * 1995-02-03 1998-07-02 Telstra Corporation Limited Broadband grating
AUPN089895A0 (en) * 1995-02-03 1995-03-02 University Of Sydney, The Broadband grating
AUPN297195A0 (en) * 1995-05-15 1995-06-08 University Of Sydney, The Optical fibre filter sensor
AU713988B2 (en) * 1995-05-15 1999-12-16 University Of Sydney, The Optical fibre filter sensor
FR2734374B1 (fr) * 1995-05-19 1997-06-27 Gaz De France Dispositif optique comportant des capteurs et des reflecteurs spectralement selectifs
SE504772C2 (sv) * 1995-12-22 1997-04-21 Flygtekniska Foersoeksanstalte En fiberoptisk sensor i form av en Fabry-Pérot-interferometer med det ena eller båda strålreflekterande elementen utförda som ett Bragg-gitter
ES2146540B1 (es) * 1998-06-12 2001-03-01 Carrillo Sebastian Diaz Procedimiento para la medida de la longitud de onda luminosa reflejada por una o varias redes de difraccion de bragg en el nucleo de una fibra optica y su aplicacion a la medida de deformacion y/o temperatura.
EP1137920B1 (de) * 1998-12-04 2005-02-16 Weatherford/Lamb, Inc. Drucksensor mit bragg-gitter
NO310125B1 (no) 1999-05-06 2001-05-21 Leiv Eiriksson Nyfotek As System for overvåking av höyspentkabler i luftstrekk
AUPQ165599A0 (en) * 1999-07-15 1999-08-05 University Of Sydney, The Optical processing method and apparatus and products thereof
AU777260B2 (en) * 1999-07-15 2004-10-07 University Of Sydney, The Grating structure and optical devices
DE10017946A1 (de) * 2000-04-11 2002-01-17 Abb Research Ltd Faserlaser-Sensor
US7109471B2 (en) * 2004-06-04 2006-09-19 Weatherford/Lamb, Inc. Optical wavelength determination using multiple measurable features
EP1640692A1 (de) * 2004-09-22 2006-03-29 Faculté Polytechnique de Mons Verfahren zur Auswertung des Einflusses von Temperatur und Dehnung auf das reflektierte Spektrum eines Bragg-Gitters in einer optischen Faser
WO2006032116A1 (en) * 2004-09-22 2006-03-30 Faculte Polytechnique De Mons Method for evaluating the influence of temperature and strain on the spectrum reflected by fibre bragg grating
JP2006145465A (ja) * 2004-11-24 2006-06-08 Japan Atomic Energy Agency マルチ情報計測用光ファイバ
DE102012200387A1 (de) * 2012-01-12 2013-07-18 Voith Patent Gmbh Walze mit Sensoren für bahnverarbeitende Maschine
FR2988444B1 (fr) * 2012-03-20 2016-01-15 Snecma Detection d'un impact d'objet etranger a l'entree d'un moteur d'aeronef

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3458257A (en) * 1964-10-08 1969-07-29 Timothy R Pryor Method and apparatus for detecting spatial relationships and for determining properties derived therefrom
US3891302A (en) * 1973-09-28 1975-06-24 Western Electric Co Method of filtering modes in optical waveguides
GB1536340A (en) * 1976-06-15 1978-12-20 Standard Telephones Cables Ltd Transducer
FR2426922A1 (fr) * 1978-05-26 1979-12-21 Thomson Csf Structure optique compacte a source integree
US4295738A (en) * 1979-08-30 1981-10-20 United Technologies Corporation Fiber optic strain sensor
US4268116A (en) * 1979-10-26 1981-05-19 Optelecom Incorporated Method and apparatus for radiant energy modulation in optical fibers
CA1149209A (en) * 1980-07-09 1983-07-05 Paolo G. Cielo Evanescent-wave fiber reflector

Also Published As

Publication number Publication date
WO1986001286A1 (en) 1986-02-27
JPS61502980A (ja) 1986-12-18
EP0192659B1 (de) 1993-10-27
EP0192659A4 (en) 1990-10-10
JPH067049B2 (ja) 1994-01-26
EP0192659A1 (de) 1986-09-03
DE3587641T2 (de) 1994-02-17

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Legal Events

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