Reconfigurable coding acoustic meta-lens based on helical metamaterials

•We propose a 3D reconfigurable binary coding meta-lens (RCML) based on helical metamaterials for acoustic waves in the air.•We suggest a set of design and reconfiguration methods for RCML, which can modify the focus with small-scale adjustment.•The RCML has accurate focus point control ability and...

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Vydané v:	Applied acoustics Ročník 211; s. 109538
Hlavní autori:	Li, Xiang, Li, Jian, Huang, Xinjing
Médium:	Journal Article
Jazyk:	English
Vydavateľské údaje:	Elsevier Ltd 01.08.2023
Predmet:	Acoustic coding meta-lens Acoustic metamaterial Helical structure Reconfigurable focusing Acoustic coding meta-lens Acoustic metamaterial Helical structure Reconfigurable focusing
ISSN:	0003-682X, 1872-910X
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