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

3 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

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