Real-time simulations and experiments on surface acoustic wave scattering in periodic microstructures

I. A. Veres, D. M. Profunser, O. B. Wright, O. Matsuda, B. Culshaw

Research output: Contribution to journalArticlepeer-review

11 Citations (Scopus)

Abstract

Surface acoustic wave scattering in periodically microstructured surfaces is investigated
numerically and experimentally. We perform the simulations by a real-time finite element
technique and experiments by ultrashort pulsed optical excitation and interferometric detection. Good agreement is obtained between simulation and experiment. Our results clearly show the opening of phononic stop bands of the excited Rayleigh-like waves at the Brillouin zone boundary. In addition, we investigate the influence of the grating thickness by numerical simulations. Our results show the strong influence of the grating thickness on the
position and width of the phononic stop bands.
Original languageEnglish
Pages (from-to)534-541
Number of pages8
JournalChinese Journal of Physics
Volume49
Issue number1
Publication statusPublished - Feb 2011

Keywords

  • MODES

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