Metalens, a two-dimensional planar system composed of strategically engineered
subwavelength structures, facilitates precise manipulation in the process of both light and …

Research into programmable materials has attracted extraordinary interest since the
nineties, when the term “programmable” was introduced for the first time. In its widest …

Acoustic metamaterials based on out‐of‐plane actuation can flexibly reconfigure arrayed
unit cells on demand, to shape sound fields for applications such as beam formation or …

Integrating soft components into acoustic metamaterials is an extremely promising way to
enhance their adjustability and reconfigurability. Herein, we report a type of space-coiled …

Suppression of low-frequency noise suppression is of high engineering importance.
However, representative solution micro-perforated panels have limitations, including narrow …

Acoustic wave devices using standing wave configurations have gained interest in various
fields like healthcare diagnostics and manufacturing. Their functionalities span from cell …

Transmission enhancement of sound waves across the interface between media with
different impedances is a classical problem in acoustic communication, for instance in the …

In this paper, a flexural Mikaelian lens in thin plate is designed by using conformation
transformation. The propagation characteristics of flexural waves in the lens are investigated …

Impedance metasurfaces enable accurate regulation of acoustic fields. However, they can
hardly supply a flexible response as such perfect operation is accompanied by stringent …

Tunable acoustic metasurfaces have garnered substantial attention in recent years, offering
an approach to manipulate acoustic waves efficiently. Despite the rapid progress in this field …