Non-local and non-Hermitian acoustic metasurfaces

X Wang, R Dong, Y Li, Y **g - Reports on Progress in Physics, 2023 - iopscience.iop.org
Acoustic metasurfaces are at the frontier of acoustic functional material research owing to
their advanced capabilities of wave manipulation at an acoustically vanishing size. Despite …

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 …

Vanadium dioxide-based terahertz metasurfaces for manipulating wavefronts with switchable polarization

R Nie, C He, R Zhang, Z Song - Optics & Laser Technology, 2023 - Elsevier
As a unique phase transition material, vanadium dioxide (VO 2) has been widely applied in
switchable and modulating metasurfaces. In this work, VO 2-based reflective meta-atoms are …

Reversal of transmission and reflection based on acoustic metagratings with integer parity design

Y Fu, C Shen, Y Cao, L Gao, H Chen, CT Chan… - Nature …, 2019 - nature.com
Phase gradient metagratings (PGMs) have provided unprecedented opportunities for
wavefront manipulation. However, this approach suffers from fundamental limits on …

Sound vortex diffraction via topological charge in phase gradient metagratings

Y Fu, C Shen, X Zhu, J Li, Y Liu, SA Cummer, Y Xu - Science advances, 2020 - science.org
Wave fields with orbital angular momentum (OAM) have been widely investigated in
metasurfaces. By engineering acoustic metasurfaces with phase gradient elements, phase …

[HTML][HTML] Towards design of a gradient locally resonant acoustic metasurface for negative reflection

X Kuci, MGD Geers, VG Kouznetsova - … of the Mechanics and Physics of …, 2024 - Elsevier
Gradient acoustic metasurfaces are a class of subwavelength metamaterials that provide
unprecedented opportunities to control the direction of reflected and refracted waves …

Controllably asymmetric beam splitting via gap-induced diffraction channel transition in dual-layer binary metagratings

YY Fu, JQ Tao, AL Song, YW Liu, YD Xu - Frontiers of Physics, 2020 - Springer
In this work, we designed and studied a feasible dual-layer binary metagrating, which can
realize controllable asymmetric transmission and beam splitting with nearly perfect …

Uni-modal retroreflection in multi-modal elastic wave fields

J Lee, J Park, CW Park, SH Cho, YY Kim - International Journal of …, 2022 - Elsevier
The phenomenon of retroreflection of light characterized by a single transversely polarized
wave has been extensively explored. However, the phenomenon of retroreflection of a …

Far-field acoustic modulation based on arbitrarily curved 1-bit coding metasurfaces

XY Du, AL Chen, XY Chong, SD Zhao… - International Journal of …, 2024 - Elsevier
Recently, the notion of coding has been introduced to the design of metasurfaces, which
needs only several units to construct metasurface and provides an intelligent platform to …

Enhancing Goos-Hänchen shift based on magnetic dipole quasi-bound states in the continuum in all-dielectric metasurfaces

Z Zheng, Y Zhu, J Duan, M Qin, F Wu, S **ao - Optics Express, 2021 - opg.optica.org
Metasurface-mediated bound states in the continuum (BIC) provides a versatile platform for
light manipulation at the subwavelength dimension with diverging radiative quality factor …