Engineering metalenses for planar optics and acoustics
Metalens, a two-dimensional planar system composed of strategically engineered
subwavelength structures, facilitates precise manipulation in the process of both light and …
subwavelength structures, facilitates precise manipulation in the process of both light and …
Reflected acoustic wave manipulation by metasurfaces in a grazing flow
Acoustic metasurfaces (AMs) can manipulate acoustic waves in ways that are not reachable
in natural materials, offering significant implications for engineering applications such as …
in natural materials, offering significant implications for engineering applications such as …
Two-sided acoustic modulator for broadband and individual control of reflected and transmitted sound waves
Acoustic wave modulation plays a pivotal role in various applications, including sound-field
reconstruction, wireless communication, and particle manipulation, among others. However …
reconstruction, wireless communication, and particle manipulation, among others. However …
Acoustic metaholograms for encrypted information transmission
We report on the theoretical, numerical, and experimental investigation of secure acoustic
holography. This secure holography is achieved via an encoded hologram generated by a …
holography. This secure holography is achieved via an encoded hologram generated by a …
Reconfigurable and Phase‐Engineered Acoustic Metasurfaces for Broadband Wavefront Manipulation
A novel type of phase‐engineered acoustic metasurfaces with reconfigurable properties is
reported, enabling the flexible broadband manipulation of reflected wavefronts. The …
reported, enabling the flexible broadband manipulation of reflected wavefronts. The …
Acoustic metascreen for broadband wavefront manipulation with stationary phase gradients
The development of an efficient acoustic metascreen utilizing artificial micro-structured
metamaterials holds paramount importance for the manipulation of acoustic wavefronts …
metamaterials holds paramount importance for the manipulation of acoustic wavefronts …
Timoshenko–Ehrenfest Beam‐Based Reconfigurable Elastic Metasurfaces for Multifunctional Wave Manipulation
Abstract Herein, a Timoshenko–Ehrenfest beam‐based reconfigurable elastic metasurface
is introduced that can perform multifunctional wave phenomena within a single substrate …
is introduced that can perform multifunctional wave phenomena within a single substrate …
Angle-variant metamaterial with reconfigurable phase modulation
Acoustic metamaterials introduce unprecedented ways by which to modulate acoustic
waves in amplitude, phase, or both. Reconfigurable acoustic metamaterials yield …
waves in amplitude, phase, or both. Reconfigurable acoustic metamaterials yield …
Tunable acoustic transmission control and dual-mode ventilated sound insulation by a coupled acoustic metasurface
S Gao, X Hu, Y Mo, H Zeng, F Mao, Y Zhu, H Zhang - Physical Review Applied, 2024 - APS
In this paper, we present an alternative design for an acoustic metasurface with sparse units
featuring open-ended pipes located on both sides of a central cavity, which can be tuned by …
featuring open-ended pipes located on both sides of a central cavity, which can be tuned by …
The Effects of Manufacturing Errors on the Performance of Acoustic Metamaterial Lenses Operating in the MHz Regime
F Qin, J Zhang, BW Drinkwater - Small Science, 2024 - Wiley Online Library
This article explores the use of acoustical metamaterials to design lenses in the megahertz
frequency range of relevance to applications in nondestructive testing and medical imaging …
frequency range of relevance to applications in nondestructive testing and medical imaging …