Real-time imaging of acoustic rectification

S. Danworaphong; T. A. Kelf; O. Matsuda; M. Tomoda; Y. Tanaka; N. Nishiguchi; O. B. Wright; Y. Nishijima; K. Ueno; S. Juodkazis; H. Misawa

doi:10.1063/1.3662930

Real-time imaging of acoustic rectification

S. Danworaphong^*, T. A. Kelf, O. Matsuda, M. Tomoda, Y. Tanaka, N. Nishiguchi, O. B. Wright, Y. Nishijima, K. Ueno, S. Juodkazis, H. Misawa

^*Corresponding author for this work

Research output: Contribution to journal › Article › peer-review

32 Citations (Scopus)

Abstract

We image gigahertz surface acoustic waves normally incident on a microscopic linear array of triangular holes-a generic acoustic diode geometry-with a real-time ultrafast optical technique. Spatiotemporal Fourier transforms reveal wave diffraction orders in k-space. Squared amplitude reflection and transmission coefficients for incidence on both sides of the array are evaluated and compared with numerical simulations. We thereby directly demonstrate acoustic rectification with an asymmetric structure.

Original language	English
Article number	201910
Pages (from-to)	1-3
Number of pages	3
Journal	Applied Physics Letters
Volume	99
Issue number	20
DOIs	https://doi.org/10.1063/1.3662930
Publication status	Published - 14 Nov 2011

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AU - Danworaphong, S.

AU - Kelf, T. A.

AU - Matsuda, O.

AU - Tomoda, M.

AU - Tanaka, Y.

AU - Nishiguchi, N.

AU - Wright, O. B.

AU - Nishijima, Y.

AU - Ueno, K.

AU - Juodkazis, S.

AU - Misawa, H.

PY - 2011/11/14

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N2 - We image gigahertz surface acoustic waves normally incident on a microscopic linear array of triangular holes-a generic acoustic diode geometry-with a real-time ultrafast optical technique. Spatiotemporal Fourier transforms reveal wave diffraction orders in k-space. Squared amplitude reflection and transmission coefficients for incidence on both sides of the array are evaluated and compared with numerical simulations. We thereby directly demonstrate acoustic rectification with an asymmetric structure.

AB - We image gigahertz surface acoustic waves normally incident on a microscopic linear array of triangular holes-a generic acoustic diode geometry-with a real-time ultrafast optical technique. Spatiotemporal Fourier transforms reveal wave diffraction orders in k-space. Squared amplitude reflection and transmission coefficients for incidence on both sides of the array are evaluated and compared with numerical simulations. We thereby directly demonstrate acoustic rectification with an asymmetric structure.

UR - https://www.scopus.com/pages/publications/81855219055

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DO - 10.1063/1.3662930

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JO - Applied Physics Letters

JF - Applied Physics Letters

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Real-time imaging of acoustic rectification

Abstract

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