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

Author:

Chen A-Li1,Wang Yue-Sheng23,Wang Yan-Feng4,Zhou Hong-Tao4,Yuan Si-Min1

Affiliation:

1. Department of Mechanics, Beijing Jiaotong University , Beijing 100044, China

2. Department of Mechanics, Beijing Jiaotong University , Beijing 100044, China ; , Tianjin 300350, China

3. Department of Mechanics, Tianjin University , Beijing 100044, China ; , Tianjin 300350, China

4. Department of Mechanics, Tianjin University , Tianjin 300350, China

Abstract

AbstractAcoustic/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.

Publisher

ASME International

Subject

Mechanical Engineering

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