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Engineered Diffraction Gratings for Acoustic Cloaking

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Figure

FIG. 1. The structure considered in this work. An acoustic grat- grat-ing (upper panel) is designed in such a way that only the n = −1 mode is excited, the specularly reflected mode being canceled
FIG. 4. The experimental setup (upper panel) and pictures of the samples and the chamber (lower panel)
FIG. 5. Experimental measurements of the real part of the acoustic field in region A (left) and region B (right) shown in Fig

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