Acoustic metasurfaces

B Assouar, B Liang, Y Wu, Y Li, JC Cheng… - Nature Reviews …, 2018 - nature.com
Acoustic metasurfaces derive their characteristics from the interaction between acoustic
waves and specifically designed materials. The field is driven by the desire to control …

Acoustic resonances in non-Hermitian open systems

L Huang, S Huang, C Shen, S Yves… - Nature Reviews …, 2024 - nature.com
Acoustic resonances in open systems, which are usually associated with resonant modes
characterized by complex eigenfrequencies, play a fundamental role in manipulating …

Underwater metamaterial absorber with impedance-matched composite

S Qu, N Gao, A Tinel, B Morvan, V Romero-García… - Science …, 2022 - science.org
By using a structured tungsten-polyurethane composite that is impedance matched to water
while simultaneously having a much slower longitudinal sound speed, we have theoretically …

Optical fiber, nanomaterial, and thz-metasurface-mediated nano-biosensors: A Review

BMA Rahman, C Viphavakit, R Chitaree, S Ghosh… - Biosensors, 2022 - mdpi.com
The increasing use of nanomaterials and scalable, high-yield nanofabrication process are
revolutionizing the development of novel biosensors. Over the past decades, researches on …

Holograms to focus arbitrary ultrasonic fields through the skull

S Jiménez-Gambín, N Jiménez, JM Benlloch… - Physical Review …, 2019 - APS
We report three-dimensional (3D)-printed acoustic holographic lenses for the formation of
ultrasonic fields of complex spatial distribution inside the skull. Using holographic lenses, we …

Development and progress in acoustic phase-gradient metamaterials for wavefront modulation

J Guo, Y Fang, R Qu, X Zhang - Materials Today, 2023 - Elsevier
Acoustic metamaterials (AMs) for sound wave manipulation have attracted significant
attention due to their fascinating functionalities, such as anomalous reflection/refraction …

Magneto‐Mechanical Bilayer Metamaterial with Global Area‐Preserving Density Tunability for Acoustic Wave Regulation

J Sim, S Wu, J Dai, RR Zhao - Advanced Materials, 2023 - Wiley Online Library
Abstract 2D metamaterials have immense potential in acoustics, optics, and electromagnetic
applications due to their unique properties and ability to conform to curved substrates. Active …

Hybrid metasurfaces for perfect transmission and customized manipulation of sound across water–air interface

HT Zhou, SC Zhang, T Zhu, YZ Tian… - Advanced …, 2023 - Wiley Online Library
Extreme impedance mismatch causes sound insulation at water–air interfaces, limiting
numerous cross‐media applications such as ocean‐air wireless acoustic communication …

Broadband coding metasurfaces with 2-bit manipulations

SD Zhao, HW Dong, XB Miao, YS Wang, C Zhang - Physical Review Applied, 2022 - APS
Due to their limited number of units but outstanding ability to control rather complex wave-
propagation phenomena, acoustic coding metasurfaces (ACMs) as two-dimensional …

Beyond the Bode-Fano bound: Wideband impedance matching for short pulses using temporal switching of transmission-line parameters

A Shlivinski, Y Hadad - Physical review letters, 2018 - APS
Impedance matching is one of the most important practices in wave engineering as it
enables one to maximize the power transfer from the signal source to the load in the wave …