Abstract
AbstractIf the frequency becomes greater than the Bragg frequency, for a certain critical frequency \( {f_{sc}} = 2{f_0}{v_t}/({v_R}{v_t}) \)(vt is the shear bulk wave velocity), the surface acoustic waves begin to scatter into bulk waves by the surface irregularities (Fig. 8.la). First, a shear bulk wave scattered backwards appears, and if the frequency continues to grow, a longitudinal wave appears.For λ=l the scattered waves propagate along the normal to the surface (Fig. 8.lb). If the wavelength continues to decrease (Fig. 8.1c), some scattered waves appear.KeywordsRayleigh WaveSurface Acoustic WaveScattered WaveLove WaveBulk WaveThese keywords were added by machine and not by the authors. This process is experimental and the keywords may be updated as the learning algorithm improves.
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