Tunable and reconfigurable metasurfaces and metadevices

A Nemati, Q Wang, M Hong, J Teng - Opto-Electronic Advances, 2018 - researching.cn
Metasurfaces, two-dimensional equivalents of metamaterials, are engineered surfaces
consisting of deep subwavelength features that have full control of the electromagnetic …

Ferroelectric composite artificially-structured functional material: Multifield control for tunable functional devices

J Wang, J Lou, JF Wang, SB Qu, HL Du… - Journal of Physics D …, 2022 - iopscience.iop.org
Artificially-structured functional materials (AFMs) are artificial media that combine the
advantages of nature materials and artificial structures to produce excellent and unexpected …

Miniaturization for ultrathin metamaterial perfect absorber in the VHF band

BX Khuyen, BS Tung, YJ Yoo, YJ Kim, KW Kim… - Scientific reports, 2017 - nature.com
An efficient resolution for ultrathin metamaterial perfect absorber (MPA) is proposed and
demonstrated in the VHF radio band (30–300 MHz). By adjusting the lumped capacitors and …

Polarization-independent, wide-incident-angle and dual-band perfect absorption, based on near-field coupling in a symmetric metamaterial

BS Tung, BX Khuyen, YJ Kim, VD Lam, KW Kim… - Scientific reports, 2017 - nature.com
We numerically and experimentally investigated a dual-band metamaterial perfect absorber
(MPA), utilizing the near-field coupling of double split-ring resonators (DSRRs). Owing to the …

Experimental verification of multi-band metamaterial absorber with double structured layers

D Yang, Y **a - Materials Research Express, 2020 - iopscience.iop.org
Microwave absorbers have been attracted much more attentions in both military and civil
fields nowadays. In this paper, we present a multi-band metamaterial absorber with the …

Multi-band tunable terahertz absorber based on metamaterial

佟艳群, 汪诗妍, 宋效先, 杨磊, 姚建铨… - Journal of Infrared …, 2020 - journal.sitp.ac.cn
设计了一种多频带可调谐的太赫兹超材料吸收器. 在超材料吸收器的结构中,
引入光敏半导体硅材料, 设计特殊的顶层金属谐振器, 分析开口长度, 线宽 …

Dual-band isotropic metamaterial absorber based on near-field interaction in the Ku band

TL Pham, HT Dinh, DH Le, XK Bui, ST Bui… - Current Applied …, 2020 - Elsevier
We numerically and experimentally investigate single-band and dual-band isotropic
metamaterial absorbers (IMAs) based on metallic disks. By optimizing the diameter of the …

Structurally tunable reflective metamaterial polarization transformer based on closed fish-scale structure

X Zhang, Z Wei, Y Fan, L Qi - Current applied physics, 2017 - Elsevier
A reflective metamaterial polarization transformer (RMPT) is proposed with closed fish-scale
structure for high efficient cross-polarization reflection. The maximum efficiency of cross …

Design of a tunable absorber based on active frequency-selective surface for UHF applications

K Qi, L Li, J Su, Y Liu, J Chen - Materials, 2019 - mdpi.com
An ultrathin tunable absorber for the ultrahigh frequency (UHF) band is presented in this
paper. The absorber is a single-layer structure based on the topology of a Salisbury screen …

A dual-band dual-polarized antenna with improved isolation characteristics for polarimetric SAR applications

D Park, J Choi - Applied Sciences, 2021 - mdpi.com
A dual-band dual-polarized antenna with high isolation characteristics is proposed for
polarimetric synthetic aperture radar (PolSAR) applications. The antenna consists of four …