Multimode interference mechanism in V(z) curves obtained by acoustic line-focus beam |
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| Authors: | Kushibiki J. Horii K. Chubachi N. |
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| Affiliation: | Tohoku University, Department of Electrical Engineering, Faculty of Engineering, Sendai, Japan; |
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| Abstract: | The multimode interference mechanism in the acoustic material signatures of V(z) curves, which generally deforms the dip intervals and the shape, is investigated theoretically and experimentally for the acoustic line-focus beam. It is shown, taking a (111)-Si substrate as an example, that V(z) curves associated with multiple leaky waves are represented as a superposition of elemental V(z) curves with different characteristic dip intervals corresponding to the respective velocities of the leaky waves. |
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