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25 November 1992 Reflection of inhomogeneous plane ultrasonic waves on periodically rough solid-vacuum interfaces
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Proceedings Volume 1844, Acousto-Optics and Applications; (1992) https://doi.org/10.1117/12.131926
Event: Acousto-Optics and Applications, 1992, Gdansk-Jurata, Poland
Abstract
A method is proposed to describe the diffraction phenomena that occur when an inhomogeneous plane wave is incident onto a stress-free solid-vacuum boundary with periodic roughness. Theoretical results for several samples show that this method predicts a minimum in the reflection coefficient near the fundamental resonance frequency, corresponding to Rayleigh wave generation. This dip is clearly observed experimentally, but failed to show up in previous treatments of the problem which always used homogeneous plane waves.
© (1992) COPYRIGHT Society of Photo-Optical Instrumentation Engineers (SPIE). Downloading of the abstract is permitted for personal use only.
R. Briers and Oswald Jozef Leroy "Reflection of inhomogeneous plane ultrasonic waves on periodically rough solid-vacuum interfaces", Proc. SPIE 1844, Acousto-Optics and Applications, (25 November 1992); https://doi.org/10.1117/12.131926
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