Advances in Acoustics and Vibration / 2009 / Article / Fig 3

Research Article

Designing 2D Phononic Crystal Slabs with Transmission Gaps for Solid Angle as well as Frequency Variation

Figure 3

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 ๐œƒ cos ๐œ‘ , sin ๐œƒ sin ฯ†, cos ๐œƒ ). The black and gray contours are at โˆ’150โ€‰dB and โˆ’10โ€‰dB, respectively.

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