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Authors:Chen A; Wang Y, Wang Y, et al. First page: 020801 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. PubDate: Wed, 01 Jun 2022 00:00:00 GMT DOI: 10.1115/1.4054629 Issue No:Vol. 74, No. 2 (2022)
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