Abstract:In this paper, we discussed simulation of several annular surface acoustic wave (A-SAW) devices using various wavelengths to identify its effects on the focusing properties and to analyze the propagation of Rayleigh waves in piezoelectric substrate. By choosing Y-cut Z propagating Lithium Niobate as the substrate and aluminum electrodes as the IDT, we modeled the A-SAW devices using Comsol Multiphysics. We used 8 pairs of annular electrodes with thickness of 1 µm with three different design's wavelength of 100… Show more
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