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physics.class-ph2016
Making sound vortices by metasurfaces
Liping Ye, Chunyin Qiu, Jiuyang Lu +5
Based on the Huygens-Fresnel principle, a metasurface structure is designed to generate a sound vortex beam in airborne environment. The metasurface is constructed by a thin planar…
physics.class-ph2016
Highly efficient isolation of waterborne sound by an air-sealed metasurface
Xiaoxue Bai, Chunyin Qiu, Xinhua Wen +3
Underwater sound isolation has been a long-standing fundamental issue in industry and military fields. Starting from a simple theoretical model, here an air-sealed metasurface is p…