Acoustic leakage in electromagnetic waveguides made from piezoelectric materials

Jiashi Yang, A. K. Soh, Xiaohong Chen

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We study the propagation of coupled acoustic and electromagnetic waves in a piezoelectric plate waveguide embedded in two half-spaces of another dielectric material. It is shown that certain waves are guided electromagnetically but not so acoustically and that these waves are effectively damped waves with acoustic leakage of energy. An estimate of the acoustic radiation damping is given.

Original languageEnglish
Article number066105
JournalJournal of Applied Physics
Issue number6
Publication statusPublished - 2007
Externally publishedYes

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