Designing 2D Phononic Crystal Slabs with Transmission Gaps for Solid Angle as well as Frequency Variation
Contour plot of transmittance for a PC slab with lead cylinders in an epoxy host. Parameters of the slab are given in the text. The direction vector of the incident compressional wave is (sin cos , sin sin φ, cos ). The black and gray contours are at −150 dB and −10 dB, respectively.
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