[HTML][HTML] Recent and emerging applications of Graphene-based metamaterials in electromagnetics

M Esfandiari, A Lalbakhsh, PN Shehni, S Jarchi… - Materials & Design, 2022 - Elsevier
Abstract Surface Plasmon Polaritons (SPPs) operating in mid-infrared up to terahertz (THz)
frequencies have been traditionally manufactured on expensive metals such as gold, silver …

Tunable wideband-narrowband switchable absorber based on vanadium dioxide and graphene

W Chen, C Li, D Wang, W An, S Gao, C Zhang… - Optics …, 2022 - opg.optica.org
A functionally tunable and absorption-tunable terahertz (THz) metamaterial absorber based
on vanadium dioxide (VO_2) and graphene is proposed and verified numerically. Based on …

Absorption-based ultra-sensitive RI sensor based on the flower-shaped graphene resonator for early detection of cancer

AHN Razani, P Rezaei, P Zamzam, SA Khatami… - Optics …, 2022 - Elsevier
In this paper, an ultra-sensitive sensor based on a flower-shaped graphene resonator is
presented. The proposed structure at 10.465 THz provides perfect absorption of 99.96% with …

Dual-band ultrasensitive terahertz sensor based on tunable graphene metamaterial absorber

T Chen, W Jiang, X Yin - Superlattices and Microstructures, 2021 - Elsevier
In this paper, we propose a dual-band tunable absorber with a graphene-dielectric-metal
structure as a sensor in the terahertz (THz) region. The finite element method (FEM) based …

Independently tunable bifunctional terahertz metasurface based on double-layer graphene

Y Wang, R Yang, Y Zhao, Z Li, W Zhang, J Tian - Optical Materials, 2022 - Elsevier
Artificial metasurfaces are one of the most promising candidates for realizing flexibly tunable
devices. Here we propose a tunable bifunctional metasurface (TBM), which incorporates two …

Tunable terahertz broadband absorber based on MoS2 ring-cross array structure

Y Zhong, Y Huang, S Zhong, T Lin, M Luo, Y Shen… - Optical Materials, 2021 - Elsevier
We proposed a tunable terahertz (THz) broadband absorber using monolayer MoS 2
patterned with subwavelength Ring-Cross array. The combination of MoS 2 micro-ring and …

Thermally-stable graphene metamaterial absorber with excellent tunability for high-performance refractive index sensing in the terahertz band

X Du, F Yan, W Wang, L Zhang, Z Bai, H Zhou… - Optics & Laser …, 2021 - Elsevier
Graphene plasmons have attracted great interest for constructing high-performance
functional metamaterial devices, among which graphene-based narrowband metamaterial …

Terahertz absorber with switchable functionality from ultra-broadband to broadband

G Wu, C Li, D Wang, W Chen, S Gao, H Guo… - Diamond and Related …, 2023 - Elsevier
In this paper, we present a terahertz absorber with switchable absorption modes by utilizing
patterned graphene‑vanadium dioxide. Through thermal tuning of vanadium dioxide and …

[HTML][HTML] Wide-band and narrow-band switchable terahertz absorber based on graphene

YY Cheng, D Meng, MY Xu, Y Liu, PP Zhuang, D Lin… - Results in Physics, 2023 - Elsevier
A three-layer terahertz dual-function absorber with broadband absorption and narrowband
absorption switching is proposed based on the special electrically tunable non-equilibrium …

Wideband close perfect meta surface absorber for solar photovoltaic and optical spectrum applications

MM Soliman, MT Islam, T Alam, N Misran… - Surfaces and …, 2024 - Elsevier
The leading research challenge is to develop a meta-surface absorber design for optimal
performance across ultraviolet, visible, and near-infrared wavelengths. In ongoing research …