Second-harmonic generation in a sound beam reflected and transmitted at a curved interface
AuthorMakin, I. R.
AVERKIOU, MICHALAKIS A.
Hamilton, M. F.
SourceThe Journal of the Acoustical Society of America JID - 7503051
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This article presents a model for second-harmonic generation in a sound beam that is reflected from or transmitted through a curved interface. Propagation in homogeneous fluids is assumed. Simple analytic solutions are derived for the case of focused Gaussian beams. The solutions are used to illustrate the effects of focusing or defocusing due to curvature of the interface, in combination with impedance change at the interface, on energy transfer from the fundamental to the second harmonic. FAU - Makin, I R