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Rayleigh‐wave reflection from a groove in Y‐Z LiNbO3: A perturbation approach

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2 Author(s)
Wu, S.D. ; Department of Electrical Engineering, State University of New York at Stony Brook, Stony Brook, New York 11794 ; Tuan, H.S.

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A field theory for the reflectivity of a generalized Rayleigh wave from a single shallow groove etched on a LiNbO3 substrate is presented. The scattering properties are studied by using a perturbation approach. Induced equivalent acoustic and electric sources which produce the reflected and scattered waves are determined. Calculated reflection coefficient agrees well with known experiments.

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Journal of Applied Physics  (Volume:50 ,  Issue: 1 )