ATE60439T1 - Lichtleitfaserinterferometerwandler. - Google Patents

Lichtleitfaserinterferometerwandler.

Info

Publication number
ATE60439T1
ATE60439T1 AT84108175T AT84108175T ATE60439T1 AT E60439 T1 ATE60439 T1 AT E60439T1 AT 84108175 T AT84108175 T AT 84108175T AT 84108175 T AT84108175 T AT 84108175T AT E60439 T1 ATE60439 T1 AT E60439T1
Authority
AT
Austria
Prior art keywords
fiber
birefringement
paths
ultimately
interference
Prior art date
Application number
AT84108175T
Other languages
English (en)
Inventor
John Wilbur Hicks Jr
Original Assignee
Polaroid 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 Polaroid Corp filed Critical Polaroid Corp
Application granted granted Critical
Publication of ATE60439T1 publication Critical patent/ATE60439T1/de

Links

Classifications

    • 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
    • G01D5/344—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 using polarisation
    • 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

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Instruments For Measurement Of Length By Optical Means (AREA)
  • Investigating Or Analyzing Materials By The Use Of Ultrasonic Waves (AREA)
  • Measuring Fluid Pressure (AREA)
  • Investigating Or Analysing Materials By Optical Means (AREA)
  • Measuring Temperature Or Quantity Of Heat (AREA)
AT84108175T 1983-11-09 1984-07-13 Lichtleitfaserinterferometerwandler. ATE60439T1 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US06/549,875 US4659923A (en) 1981-03-09 1983-11-09 Fiber optic interferometer transducer
EP84108175A EP0144509B1 (de) 1983-11-09 1984-07-13 Lichtleitfaserinterferometerwandler

Publications (1)

Publication Number Publication Date
ATE60439T1 true ATE60439T1 (de) 1991-02-15

Family

ID=24194719

Family Applications (1)

Application Number Title Priority Date Filing Date
AT84108175T ATE60439T1 (de) 1983-11-09 1984-07-13 Lichtleitfaserinterferometerwandler.

Country Status (7)

Country Link
US (1) US4659923A (de)
EP (1) EP0144509B1 (de)
JP (1) JPS60102503A (de)
AT (1) ATE60439T1 (de)
AU (1) AU578905B2 (de)
CA (1) CA1247421A (de)
DE (1) DE3484008D1 (de)

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JPS62182627A (ja) * 1986-02-07 1987-08-11 Ushio Inc 光弾性定数測定方法
DE3638345A1 (de) * 1986-11-10 1988-05-19 Felten & Guilleaume Energie Einrichtung und verwendung eines lichtwellenleiter-sensors fuer minimale dehnungen
KR890700814A (ko) * 1987-01-21 1989-04-27 한스 빌헬름 해프너, 거드쿠도르퍼 광학센서
GB2224566A (en) * 1988-06-30 1990-05-09 British Aerospace An optical sensor for determining changes in a dimension and/or a temperature of an object
WO1990001149A1 (en) * 1988-07-20 1990-02-08 Commonwealth Scientific And Industrial Research Organisation An ultrasonic sensor
US5138155A (en) * 1989-02-13 1992-08-11 Span Instruments, Inc. Pressure gauge with fiber optic sensor
FR2646711A1 (fr) * 1989-05-02 1990-11-09 Labo Electronique Physique Dispositif capteur de pression a fibre optique
FR2647560B1 (fr) * 1989-05-23 1994-01-28 Thomson Csf Dispositif de lecture de capteurs polarimetriques et interferometriques
CA1322109C (en) * 1989-05-24 1993-09-14 Universite Du Quebec A Hull Birefringent optical fiber device for measuring of ambient pressure in a stabilized temperature environment
FR2656095B1 (fr) * 1989-12-19 1994-12-23 Thomson Csf Capteur a fibre optique.
CA2073959A1 (en) * 1990-01-19 1991-07-20 Helen Lai Wa Chan Ultrasonic sensor
GB9004240D0 (en) * 1990-02-26 1990-04-18 Univ London Optical fibre pressure sensor
DE69121176T2 (de) * 1990-12-17 1997-01-09 Nippon Telegraph & Telephone Optischer Zirkulator
FR2673713B1 (fr) * 1991-03-07 1993-06-25 Framatome Sa Capteur optique, en particulier capteur de pression et procede de mesure optique correspondant.
FR2688584B1 (fr) * 1992-03-13 1996-11-15 Thomson Csf Structure a controle d'endommagement par fibre optique et methode de mise en óoeuvre.
US5446280A (en) * 1993-08-31 1995-08-29 Center For Innovative Technology Split-spectrum self-referenced fiber optic sensor
US5714680A (en) * 1993-11-04 1998-02-03 The Texas A&M University System Method and apparatus for measuring pressure with fiber optics
USH1937H1 (en) * 1996-02-29 2001-02-06 The United States Of America As Represented By The United States Department Of Energy Laser barometer
US6218661B1 (en) 1996-09-09 2001-04-17 Schlumberger Technology Corporation Methods and apparatus for mechanically enhancing the sensitivity of transversely loaded fiber optic sensors
US5841131A (en) * 1997-07-07 1998-11-24 Schlumberger Technology Corporation Fiber optic pressure transducers and pressure sensing system incorporating same
US6211962B1 (en) * 1996-10-07 2001-04-03 Corning Incorporated Sensor apparatus with polarization maintaining fibers
US6115520A (en) * 1998-03-05 2000-09-05 Lucent Technologies Inc. Compact mach-zehnder interferometer and wavelength reference employing same
NL1009565C2 (nl) 1998-07-06 2000-01-10 Academisch Ziekenhuis Utrecht Cathetersysteem en een daarin te gebruiken catheter.
DE19941832C1 (de) * 1999-09-02 2001-03-01 Reinhausen Maschf Scheubeck Verfahren zur faseroptischen Temperaturmessung und faseroptischer Temperatursensor
US6658171B2 (en) 2001-06-14 2003-12-02 Ericsson Telecomunicacoes S.A. Optical fiber bragg grating polarizer
JP3934544B2 (ja) * 2002-04-11 2007-06-20 富士通株式会社 弾性波観測装置
GB2414543B (en) * 2004-05-25 2009-06-03 Polarmetrix Ltd Method and apparatus for detecting pressure distribution in fluids
US7605923B2 (en) * 2004-10-15 2009-10-20 Morgan Research Corporation Embeddable polarimetric fiber optic sensor and method for monitoring of structures
DE102005019898B4 (de) * 2005-04-29 2016-05-04 Bayerische Motoren Werke Aktiengesellschaft Gurtdruckregelung
GB2427910B (en) * 2005-07-02 2008-03-12 Sensor Highway Ltd Fiber optic temperature and pressure sensor and system incorporating same
US7840102B2 (en) * 2007-01-16 2010-11-23 Baker Hughes Incorporated Distributed optical pressure and temperature sensors
US8417084B2 (en) * 2007-01-16 2013-04-09 Baker Hughes Incorporated Distributed optical pressure and temperature sensors
DE102007050576B4 (de) * 2007-10-23 2017-08-03 Schaeffler Technologies AG & Co. KG Vorrichtung zum Erfassen der Belastung eines Lagers
WO2009117371A1 (en) * 2008-03-15 2009-09-24 Morgan Research Corporation Fiber laser coil form and related manufacturing techniques
US8665447B2 (en) * 2008-07-24 2014-03-04 Ramot At Tel Aviv University Ltd. Enhanced sensitivity interferometric sensors
DE102010005665A1 (de) * 2010-01-26 2011-07-28 Dr. Ing. h.c. F. Porsche Aktiengesellschaft, 70435 Torsionsmesssystem und Verfahren zur Torsionsmessung
US9417103B2 (en) 2011-09-20 2016-08-16 Schlumberger Technology Corporation Multiple spectrum channel, multiple sensor fiber optic monitoring system
AT513732B1 (de) * 2012-11-27 2015-05-15 Fct Fiber Cable Technology Gmbh Verfahren zur ortsaufgelösten Druckmessung
US9312662B1 (en) 2014-09-30 2016-04-12 Lumentum Operations Llc Tunable laser source
PL233804B1 (pl) * 2018-01-10 2019-11-29 Politechnika Gdanska Swiatlowodowy przetwornik pomiarowy
US20220015681A1 (en) 2018-11-11 2022-01-20 Biobeat Technologies Ltd. Wearable apparatus and method for monitoring medical properties
JP7016823B2 (ja) * 2019-03-12 2022-02-07 古河電気工業株式会社 圧力センサ

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US3645603A (en) * 1969-09-24 1972-02-29 Luther W Smith Light modulation in optic fiber
US3842664A (en) * 1973-04-05 1974-10-22 Us Navy Theta-shaped test specimen for composite materials
US3910105A (en) * 1974-08-16 1975-10-07 Boeing Co Method for detection of flaws in composite fiberglass structures
FR2347666A1 (fr) * 1976-04-09 1977-11-04 France Etat Photoelasticimetre automatique a deux longueurs d'ondes
GB1544483A (en) * 1976-07-01 1979-04-19 Standard Telephones Cables Ltd Strain measurement using optical fibres
US4342907A (en) * 1977-12-12 1982-08-03 Pedro B. Macedo Optical sensing apparatus and method
DE2804103A1 (de) * 1978-01-31 1979-08-02 Siemens Ag Interferometer mit einer spule aus einem einmode-wellenleiter
DE2814476A1 (de) * 1978-04-04 1979-10-18 Siemens Ag Interferometer mit einer spule aus einem einmode-wellenleiter
SE415397B (sv) * 1978-06-02 1980-09-29 Asea Ab Fiberoptiskt metdon
US4295738A (en) * 1979-08-30 1981-10-20 United Technologies Corporation Fiber optic strain sensor
US4420251A (en) * 1980-05-05 1983-12-13 Rockwell International Corporation Optical deformation sensor
DE3031961C2 (de) * 1980-08-25 1985-02-07 Licentia Patent-Verwaltungs-Gmbh, 6000 Frankfurt Interferometrische Einrichtung zur Messung physikalischer Größen
IT1138312B (it) * 1981-05-06 1986-09-17 Cise Spa Interferometro con trasmissione in fibra ottica dell'informazione di fase utile
US4442350A (en) * 1981-08-17 1984-04-10 The United States Of America As Represented By The Secretary Of The Navy Fiber optic sensor with enhanced immunity to random environmental perturbations
US4477723A (en) * 1981-11-04 1984-10-16 Optical Technologies, Inc. Fiber optic electric field sensor/phase modulator
US4466295A (en) * 1982-09-20 1984-08-21 Trw Inc. Photoelastic sensing means
US4530603A (en) * 1982-09-29 1985-07-23 The Board Of Trustees Of Leland Stanford Jr. Univ. Stabilized fiber optic sensor
US4488040A (en) * 1982-11-19 1984-12-11 Gte Products Corporation Fiber optic sensor
GB2136952B (en) * 1983-03-16 1987-05-07 Standard Telephones Cables Ltd Fabry perot sensor
AU561027B2 (en) * 1983-08-29 1987-04-30 International Standard Electric Corp. Interferometric sensor

Also Published As

Publication number Publication date
EP0144509A3 (en) 1988-06-01
AU578905B2 (en) 1988-11-10
JPS60102503A (ja) 1985-06-06
US4659923A (en) 1987-04-21
CA1247421A (en) 1988-12-28
EP0144509A2 (de) 1985-06-19
DE3484008D1 (de) 1991-02-28
AU3208384A (en) 1985-05-16
EP0144509B1 (de) 1991-01-23

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Legal Events

Date Code Title Description
UEP Publication of translation of european patent specification
REN Ceased due to non-payment of the annual fee