Abstract
A study is performed of the configuration of the mutual reflection of elastic waves in crystals where an additional acoustic wave propagates toward one of two reflected waves. It is shown that the reflection of an additional wave induces two waves, one of which is opposite the direction of the original incident wave, and the second has its own direction. All characteristics of elastic waves in the described scheme are calculated including directions, polarizations, walkoff angles, and coefficients of reflection. It is shown that despite the nonreciprocal geometry of reflection in an anisotropicedium, the condition of reciprocity for the energy coefficients of reflection is valid.
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This work was supported by the Russian Science Foundation, project no. 19-12-00072.
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Translated by N. Podymova
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Polikarpova, N.V., Marunin, M.V. Unusual Cases of the Behavior of Acoustic Waves at a Paratellurite Crystal Boundary. Bull. Russ. Acad. Sci. Phys. 85, 622–625 (2021). https://doi.org/10.3103/S1062873821060204
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DOI: https://doi.org/10.3103/S1062873821060204