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Propagation characteristics of leaky SAWs on water/LiNbO3 boundary measured by acoustic microscope with line-focus beam

Propagation characteristics of leaky SAWs on water/LiNbO3 boundary measured by acoustic microscope with line-focus beam

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A nonscanning reflection acoustic microscope with a line-focus beam is applied to investigate propagation characteristics of leaky SAWs on water/LiNbO3 boundary. Experiments are performed for both cases without and with an Al-film shorting plane at the boundary of water/Y-cut-LiNbO3. The effect of water ‘loading’ on LiNbO3 is successfully detected.

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