Broadband controllable acoustic focusing and asymmetric focusing by acoustic metamaterials

Liao, GX; Wang, ZW; Luan, CC; Liu, JP; Yao, XH; Fu, JZ

Fu, JZ (corresponding author), Zhejiang Univ, Sch Mech Engn, State Key Lab Fluid Power & Mechatron Syst, Hangzhou 310027, Peoples R China.; Luan, CC; Fu, JZ (corresponding author), Zhejiang Univ, Sch Mech Engn, Key Lab 3D Printing Proc & Equipment Zhejiang Pro, Hangzhou 310027, Peoples R China.; Luan, CC (corresponding author), Zhejiang Univ, Engn Training Ctr, Hangzhou 310058, Peoples R China.

SMART MATERIALS AND STRUCTURES, 2021; 30 (4):

Abstract

The applications of acoustic focusing and acoustic asymmetric focusing (AAF) are severely constrained by the narrow frequency bandwidth. In this paper......

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