DE69001341D1 - Faseroptischer polarimetrischer sensor. - Google Patents

Faseroptischer polarimetrischer sensor.

Info

Publication number
DE69001341D1
DE69001341D1 DE9090202383T DE69001341T DE69001341D1 DE 69001341 D1 DE69001341 D1 DE 69001341D1 DE 9090202383 T DE9090202383 T DE 9090202383T DE 69001341 T DE69001341 T DE 69001341T DE 69001341 D1 DE69001341 D1 DE 69001341D1
Authority
DE
Germany
Prior art keywords
optical fibre
signals
light signal
reference light
measurement light
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
DE9090202383T
Other languages
English (en)
Other versions
DE69001341T2 (de
Inventor
Mario Martinelli
Valeria Gusmeroli
Paolo Vavassori
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.)
CISE Centro Informazioni Studi e Esperienze SpA
Original Assignee
CISE Centro Informazioni Studi e Esperienze SpA
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 CISE Centro Informazioni Studi e Esperienze SpA filed Critical CISE Centro Informazioni Studi e Esperienze SpA
Application granted granted Critical
Publication of DE69001341D1 publication Critical patent/DE69001341D1/de
Publication of DE69001341T2 publication Critical patent/DE69001341T2/de
Anticipated expiration legal-status Critical
Expired - Fee Related 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
    • G01L1/243—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 using means for applying force perpendicular to the fibre axis
    • 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)
  • Investigating Or Analysing Materials By Optical Means (AREA)
  • Geophysics And Detection Of Objects (AREA)
  • Optical Transform (AREA)
  • Length Measuring Devices By Optical Means (AREA)
  • Switches Operated By Changes In Physical Conditions (AREA)
  • Light Guides In General And Applications Therefor (AREA)
  • Arrangements For Transmission Of Measured Signals (AREA)
  • Measurement Of Mechanical Vibrations Or Ultrasonic Waves (AREA)
DE9090202383T 1989-09-12 1990-09-07 Faseroptischer polarimetrischer sensor. Expired - Fee Related DE69001341T2 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
IT8921681A IT1232330B (it) 1989-09-12 1989-09-12 Sensore a fibra ottica polarimetrico

Publications (2)

Publication Number Publication Date
DE69001341D1 true DE69001341D1 (de) 1993-05-19
DE69001341T2 DE69001341T2 (de) 1993-08-12

Family

ID=11185309

Family Applications (1)

Application Number Title Priority Date Filing Date
DE9090202383T Expired - Fee Related DE69001341T2 (de) 1989-09-12 1990-09-07 Faseroptischer polarimetrischer sensor.

Country Status (6)

Country Link
US (1) US5072113A (de)
EP (1) EP0417848B1 (de)
JP (1) JPH03130616A (de)
AT (1) ATE88269T1 (de)
DE (1) DE69001341T2 (de)
IT (1) IT1232330B (de)

Families Citing this family (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE4037077A1 (de) * 1990-11-22 1992-05-27 Hilti Ag Verfahren und einrichtung zur faseroptischen kraftmessung
GB9109715D0 (en) * 1991-05-03 1991-06-26 Cookson Group Plc Remote sensing using fibre optics
US5336883A (en) * 1991-05-03 1994-08-09 Focas Limited Optical fiber sensor for producing a variable transverse strain in a localized portion of the fiber
GB9118780D0 (en) * 1991-09-03 1991-10-16 Focas Ltd A sensor
DE4344856A1 (de) * 1993-12-29 1995-07-06 Abb Research Ltd Faseroptischer Transmissionssensor mit Modulator
DE19605717C1 (de) * 1996-02-16 1997-05-28 Abb Research Ltd Faseroptische Meßeinrichtung
GB2345129A (en) * 1998-12-21 2000-06-28 Asea Brown Boveri Optical Sensor Using Polarised Light
CN101871788B (zh) * 2010-06-04 2012-05-23 北京高光科技有限公司 测量保偏光纤和双折射介质的分布式偏振串扰方法及装置
FR3013449B1 (fr) * 2013-11-18 2015-11-13 Thales Sa Capteur a fibre optique grande sensibilite
US20180149537A1 (en) * 2016-11-30 2018-05-31 Fiber Optic Sensor Systems Technology Corporation Dual acoustic pressure and hydrophone sensor array system

Family Cites Families (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4536088A (en) * 1982-09-17 1985-08-20 Rashleigh Scott C Polarimetric Fabry-Perot sensor
FR2535464A1 (fr) * 1982-10-28 1984-05-04 Commissariat Energie Atomique Dispositif de mesure de temperature et/ou d'intensite electrique a effet faraday
GB8400985D0 (en) * 1984-01-14 1984-02-15 Jackson D A Polarimetric fibre sensor
US4725143A (en) * 1984-06-30 1988-02-16 Kent Scientific And Industrial Projects Limited Interferometric sensor
US4564289A (en) * 1984-07-31 1986-01-14 Geo-Centers, Inc. Single mode optical fiber polarimetric stress sensor having optical common mode rejection
JPH01158326A (ja) * 1987-09-11 1989-06-21 Toshiba Corp 温度測定装置
US4906068A (en) * 1988-09-01 1990-03-06 Minnesota Mining And Manufacturing Company Polarization-maintaining optical fibers for coupler fabrication
US4904863A (en) * 1988-11-25 1990-02-27 Loral Corporation Polarimetric optical fiber pressure sensor
US4896942A (en) * 1989-02-03 1990-01-30 Minnesota Mining And Manufacturing Company Polarization-maintaining optical fiber

Also Published As

Publication number Publication date
IT8921681A0 (it) 1989-09-12
US5072113A (en) 1991-12-10
IT1232330B (it) 1992-01-28
EP0417848B1 (de) 1993-04-14
DE69001341T2 (de) 1993-08-12
ATE88269T1 (de) 1993-04-15
JPH03130616A (ja) 1991-06-04
EP0417848A1 (de) 1991-03-20

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Legal Events

Date Code Title Description
8364 No opposition during term of opposition
8339 Ceased/non-payment of the annual fee