Tunable coupled surface acoustic cavities
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Tunable coupled surface acoustic cavities

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Tunable coupled surface acoustic cavities

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Morais de Lima, Mauricio, Jr.; Santos, P.V.; Kosevich, Yu. A.; Cantarero Sáez, Andrés
Aquest document és un/a article, creat/da en: 2012

Este documento está disponible también en : http://dx.doi.org/10.1063/1.4730398
We demonstrate the electric tuning of the acoustic field in acoustic microcavities(MCs) defined by a periodic arrangement of metal stripes within a surface acoustic delay line on LiNbO3 substrate. Interferometric measurements show the enhancement of the acoustic field distribution within a single MC, the presence of a"bonding" and"anti-bonding" modes for two strongly coupled MCs, as well as the positive dispersion of the"mini-bands" formed by five coupled MCs. The frequency and amplitude of the resonances can be controlled by the potential applied to the metal stripes.

    Morais de Lima, Mauricio, Jr. Santos, P.V. Kosevich, Yu.A. Cantarero Sáez, Andrés 2012 Tunable coupled surface acoustic cavities Applied Physics Letters 100 26 261904
http://dx.doi.org/10.1063/1.4730398
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