Asymmetric Generation of Acoustic Vortex Using Dual-Layer Metasurfaces.
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DOI: 10.1103/physrevlett.128.104501
Abstract: In this Letter, we introduce a new paradigm for achieving robust asymmetric generation of acoustic vortex field through dual-layer metasurfaces by controlling their intrinsic topologic charges and the parity of geometry design. The underlying physics… read more here.
Keywords: dual layer; asymmetric generation; acoustic vortex; generation acoustic ... See more keywords