Transformation metamaterials

L Xu, H Chen - Advanced Materials, 2021 - Wiley Online Library
Based on the form‐invariance of Maxwell's equations under coordinate transformations,
mathematically smooth deformation of space can be physically equivalent to …

Ultrawideband chromatic aberration-free meta-mirrors

T Cai, S Tang, B Zheng, G Wang, W Ji… - Advanced …, 2021 - spiedigitallibrary.org
Chromatic aberration-free meta-devices (eg, achromatic meta-devices and abnormal
chromatic meta-devices) play an essential role in modern science and technology. However …

[HTML][HTML] Deterministic approach to achieve full-polarization cloak

HX Xu, Y Wang, C Wang, M Wang, S Wang, F Ding… - Research, 2021 - spj.science.org
Achieving full-polarization (σ) invisibility on an arbitrary three-dimensional (3D) platform is a
long-held knotty issue yet extremely promising in real-world stealth applications. However …

Broadband acoustic illusion coating based on thin conformal metasurface

K Sun, F Zhang, S Chen, Q Fu, Y Zeng, Y Fan - Iscience, 2024 - cell.com
Acoustic metasurface with rationally distributed phase manipulating characteristic provides a
promising platform to reshape the wavefront of scattering wave. Such acoustic illusion carpet …

A metamaterial-free omnidirectional invisibility cloak based on thrice transformations inside optic-null medium

Y Liu, F Sun, Y Yang, Y Hao, S Liang, Z Wang - Optics & Laser Technology, 2023 - Elsevier
A full space omnidirectional cloak with an optic-null medium (ONM) shell and an isotropic
homogeneous restoring core is designed by thrice coordinate transformations inside ONM …

Surface transformation multi-physics for controlling electromagnetic and acoustic waves simultaneously

F Sun, Y Liu, S He - Optics Express, 2019 - opg.optica.org
A multi-physics null medium that performs as a perfect endoscope for both electromagnetic
and acoustic waves is designed by transformation optics, which opens a new way to control …

Ultra-thin and broadband surface wave meta-absorber

T Deng, J Liang, T Cai, C Wang, X Wang, J Lou… - Optics …, 2021 - opg.optica.org
Perfect absorbers are highly desired in many engineering and military applications,
including radar cross section (RCS) reduction, cloaking devices, and sensor detectors …

Thermal surface transformation and its applications to heat flux manipulations

F Sun, Y Liu, Y Yang, Z Chen, S He - Optics Express, 2019 - opg.optica.org
A new method to control heat flux, called thermal surface transformation (TST), is introduced
from transformation thermodynamics. Compared with transformation thermodynamics, TST …

High-performance ultra-broadband absorption–diffusion integrated metasurface

Y Ran, L Shi, J Wang, Y Ma, J Li, Y Liu - Journal of Applied Physics, 2021 - pubs.aip.org
We propose an absorption–diffusion integrated metasurface that achieves high-performance
stealth of electromagnetic waves with high angular stability in an ultrabroad frequency band …

Ultra-broadband transmissive gradient metasurface based on the topologically coding optimization method

X Cui, G Wang, D Wang, X Li, T Cai, K Liu - Optics Express, 2021 - opg.optica.org
Metasurfaces have provided a novel way on modulating the wavefront of electromagnetic
(EM) waves, where phase modulating is an important method to control EM waves …