Voltage measurement based on the electrostrictive effect with simultaneous temperature measurement using a 3 × 3 fiber-optic coupler and low coherence interferometric interrogation

M. C. Tomic, J. M. Elazar, Z. V. Djinovic

    Research output: Contribution to journalArticlepeer-review

    4 Scopus citations

    Abstract

    A fiber-optic interferometric method for remote voltage measurement with simultaneous temperature measurement is presented. A PMN electrostrictive transducer is employed as a voltage-to-displacement converter. The displacement is then interferometrically measured by the passive demodulation technique based on a 3 × 3 fiber-optic coupler. The third 3 × 3 coupler's port and the same low coherence light source (LCS) are used for the interferometric temperature measurement, necessary for the correction of the electrostrictive coefficient values.

    Original languageEnglish
    Pages (from-to)462-469
    Number of pages8
    JournalSensors and Actuators, A: Physical
    Volume115
    Issue number2-3 SPEC. ISS.
    DOIs
    StatePublished - 21 Sep 2004

    Keywords

    • 3 × 3 fiber-optic coupler
    • Electric field measurement
    • Electrostrictive transducer
    • Fiber-optic sensor
    • Low coherence interferometry
    • Voltage measurement

    ASJC Scopus subject areas

    • Electronic, Optical and Magnetic Materials
    • Instrumentation
    • Condensed Matter Physics
    • Surfaces, Coatings and Films
    • Metals and Alloys
    • Electrical and Electronic Engineering

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