GRIN metamaterial generalized Luneburg lens for ultra-long acoustic jet

Lu, CY; Yu, R; Ma, QJ; Wang, KY; Wang, J; Wu, DW

Wang, J; Wu, DW (corresponding author), Nanjing Univ Aeronaut & Astronaut, State Key Lab Mech & Control Mech Struct, Nanjing 210001, Peoples R China.

APPLIED PHYSICS LETTERS, 2021; 118 (14):

Abstract

In this work, a 3D-printed mesoscale acoustic generalized Luneburg lens based on cylindrical metamaterial is proposed. Compared to isotropic lenses, w......

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