Unconventional acoustic approaches for localized and designed micromanipulation

K Kolesnik, M Xu, PVS Lee, V Rajagopal, DJ Collins - Lab on a Chip, 2021 - pubs.rsc.org
Acoustic fields are ideal for micromanipulation, being biocompatible and with force gradients
approaching the scale of single cells. They have accordingly found use in a variety of …

Design of acoustic/elastic phase gradient metasurfaces: principles, functional elements, tunability, and coding

AL Chen, YS Wang, YF Wang… - Applied …, 2022 - asmedigitalcollection.asme.org
Acoustic/elastic metasurfaces as a kind of two-dimensional metamaterials are of
subwavelength thickness and show remarkable ability of acoustic/elastic wave …

Experimental realization of a pillared metasurface for flexural wave focusing

W Wang, J Iglesias, Y Jin, B Djafari-Rouhani, A Khelif - Apl Materials, 2021 - pubs.aip.org
A metasurface is an array of subwavelength units with modulated wave responses that show
great potential for the control of refractive/reflective properties in compact functional devices …

Coding piezoelectric metasurfaces

Z Li, C Fei, S Yang, C Hou, J Zhao, Y Li… - Advanced Functional …, 2022 - Wiley Online Library
The manipulation of acoustic waves plays an important role in a wide range of applications.
Currently, acoustic wave manipulation typically relies on either acoustic metasurfaces or …

Tunable, reconfigurable, and programmable acoustic metasurfaces: A review

A Zabihi, C Ellouzi, C Shen - Frontiers in Materials, 2023 - frontiersin.org
The advent of acoustic metasurfaces (AMs), which are the two-dimensional equivalents of
metamaterials, has opened up new possibilities in wave manipulation using acoustically thin …

Ultrasonic sharp autofocusing with acoustic metasurface

X Jiang, Y Li, D Ta, W Wang - Physical Review B, 2020 - APS
Ultrasound focusing manifests itself as the accumulation of ultrasound energy on the target.
It attracts extensive interest owing to its substantial advantage in engineering detection and …

Experimental evidence of high‐efficiency nonlocal waterborne acoustic metasurfaces

T Yang, Z Lin, T Yang - Advanced Engineering Materials, 2023 - Wiley Online Library
Inspired by recent theoretical demonstrations of nonlocal waterborne acoustic metasurfaces
(WAMs), herein experimental evidence of a WAM with highly nonlocal features for high …

Planar ultrasonic transducer based on a metasurface piezoelectric ring array for subwavelength acoustic focusing in water

S Hur, H Choi, GH Yoon, NW Kim, DG Lee, YT Kim - Scientific Reports, 2022 - nature.com
The development of a new ultrasonic transducer capable of improved focusing performance
has become a necessity to overcome the limitations of conventional ultrasonic transducer …

Continuously tunable ultrasonic focusing by Moiré metalenses

GQ Yuan, XR Li, XF Zhu, J Yao, Q Wei, DJ Wu - Ultrasonics, 2025 - Elsevier
Tunable ultrasonic focusing holds great significance in both medicine and engineering.
Recent advancements in metalenses have introduced approaches for tunable acoustic …

Loss in acoustic metasurfaces: a blessing in disguise

NJRK Gerard, Y Jing - MRS Communications, 2020 - cambridge.org
From being an unfavorable consequence to finding itself as the intended imaginary part of a
non-Hermitian system, loss has truly emerged as more of a friend than a foe in the context of …