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physics.app-ph2026
Tunable Asymmetric Acoustic Absorption in Ventilated Metasurfaces
Keqiang Lyu, Mohamed Farhat, Ying Wu
Asymmetric sound absorption is essential for advanced acoustic manipulation. However, current frequency modulation and broadbanding highly depend on geometric reconfiguration, lead…
physics.app-ph2024
Acoustic Zero-Index Metamaterials for Leaky-Wave Antennas
keqiang Lyu, Ying Wu
In this work, we introduce an advanced acoustic leaky-wave antenna employing zero-refractive-index metamaterials (ZIMs) that significantly surpasses traditional designs in terms of…