Second-harmonic generation in a sound beam reflected and transmitted at a curved interface
AuthorMakin, Inder Raj S.
AVERKIOU, MICHALAKIS A.
Hamilton, Mark F.
SourceJournal of the Acoustical Society of America
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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. © 2000 Acoustical Society of America. ABSTRACT FROM AUTHOR]Copyright of Journal of the Acoustical Society of America is the property of American Institute of Physics and its content may not be copied or emailed to multiple sites or posted to a listserv without the copyright holder's express written permission. However, users may print, download, or email articles for individual use. This abstract may be abridged. No warranty is given about the accuracy of the copy. Users should refer to the original published version of the material for the full abstract. (Copyright applies to all Abstracts.)