Phononic crystal sensors

  • Ralf Lucklum
  • Published 2012 in 2012 European Frequency and Time Forum

Abstract

A phononic crystal device is investigated as a sensor platform combining band gap engineering with resonant transmission. A slit cavity perpendicular to the propagation direction of ultrasound and placed in the middle of a phononic crystal causes a peak in the transmission spectrum with the peak frequency strongly dependent on the speed of sound of the… (More)

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