Design of Acoustic/Elastic Phase Gradient Metasurfaces: Principles, Functional Elements, Tunability, and Coding

被引:94
作者
Chen, A-Li [1 ]
Wang, Yue-Sheng [1 ,2 ]
Wang, Yan-Feng [2 ]
Zhou, Hong-Tao [2 ]
Yuan, Si-Min [1 ]
机构
[1] Beijing Jiaotong Univ, Dept Mech, Beijing 100044, Peoples R China
[2] Tianjin Univ, Dept Mech, Tianjin 300350, Peoples R China
基金
中国国家自然科学基金;
关键词
elastic wave; acoustic wave; metamaterial; acoustic metasurface; elastic metasurface; phase gradient; tunability; reconfigurability; digital coding; wavefront manipulation; TOPOLOGY OPTIMIZATION; ELASTIC METASURFACE; REFLECTION; TRANSMISSION; BEAM; PROPAGATION; MODULATION; GENERATION; REFRACTION; LIGHT;
D O I
10.1115/1.4054629
中图分类号
O3 [力学];
学科分类号
08 ; 0801 ;
摘要
Acoustic/elastic metasurfaces as a kind of two-dimensional metamaterials are of subwavelength thickness and show remarkable ability of acoustic/elastic wave manipulation. They have potential applications in various fields such as acoustic imaging, communications, cloaking, camouflage, vibration/noise control, energy harvesting, and nondestructive testing. In this review, we mainly summarize recent developments in acoustic/elastic phase gradient metasurfaces, including design principles, design of functional elements, wave field manipulation with applications, design of tunable metasurfaces, as well as the emerging digital coding metasurfaces. At last, we outline the future research directions in this field.
引用
收藏
页数:36
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