Tunable, reconfigurable, and programmable acoustic metasurfaces: A review
Tunable, reconfigurable, and programmable acoustic metasurfaces: A review
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DOI：
10.3389/fmats.2023.1132585
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发表时间：
2023-03
期刊：
影响因子：
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通讯作者：
A. Zabihi;Chadi Ellouzi;Chen Shen
中科院分区：
文献类型：
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作者：
A. Zabihi;Chadi Ellouzi;Chen Shen
声学超表面（AMs）是超材料的二维等效物，它的出现为利用声学薄结构操纵波开辟了新的可能性。通过声波与亚波长散射之间的相互作用，AMs表现出多种控制声波传播的能力，如转向、聚焦和吸收。近年来，这个充满活力的领域已经扩展到包括可调、可重构和可编程控制，以进一步扩大AMs的容量。本文回顾了AMs的最新发展，并总结了实现可调控制的基本方法，即通过机械调谐，主动控制和使用场响应材料。首先概述每个类别中的基本概念，然后讨论它们的应用程序和有关其性能的详细信息。最后，对这一激动人心的领域的未来发展方向进行了展望。
The advent of acoustic metasurfaces (AMs), which are the two-dimensional equivalents of metamaterials, has opened up new possibilities in wave manipulation using acoustically thin structures. Through the interaction between the acoustic waves and the subwavelength scattering, AMs exhibit versatile capabilities to control acoustic wave propagation such as by steering, focusing, and absorption. In recent years, this vibrant field has expanded to include tunable, reconfigurable, and programmable control to further expand the capacity of AMs. This paper reviews recent developments in AMs and summarizes the fundamental approaches for achieving tunable control, namely, by mechanical tuning, active control, and the use of field-responsive materials. An overview of basic concepts in each category is first presented, followed by a discussion of their applications and details about their performance. The review concludes with the outlook for future directions in this exciting field.