Features of Elastic Wave Reflection in the Piezoelectric – Thin Solid Layer – Piezoelectric Structure
A study is made of the elastic (quasi) transverse wave reflection from a thin anisotropic layer sandwiched between two piezoelectric crystals of 4mm or 6mm symmetry with axes 4 (6) parallel to the interface but anti parallel to each other. It is shown that if the presence of the layer
causes the transformation of the purely inhomogeneous interfacial wave into the leaky wave, then the coefficients of plane wave conversion will suffer strong and abrupt changes in phases and magnitudes within some narrow interval of the incident angles corresponding to the efficient resonant
excitation of the leaky wave. Approximate expressions describing the behavior of the coefficients of conversion under such conditions are derived and analyzed.
Document Type: Research Article
Publication date: 01 May 1998
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