Metamaterial absorber with independently tunable amplitude and frequency in the terahertz regime

X Huang, F Yang, B Gao, Q Yang, J Wu, W He - Optics Express, 2019 - opg.optica.org
A tunable metamaterial absorber is proposed in the terahertz regime. The amplitude and
center frequency of the absorber can be tuned independently. Owing to the effective …

Design of a tunable ultra-broadband terahertz absorber based on multiple layers of graphene ribbons

Z Xu, D Wu, Y Liu, C Liu, Z Yu, L Yu, H Ye - Nanoscale research letters, 2018 - Springer
We propose and numerically demonstrate an ultra-broadband graphene-based
metamaterial absorber, which consists of multi-layer graphene/dielectric on the SiO 2 layer …

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 …

Tunable enhanced bandwidth all-graphene-dielectric terahertz metamaterial absorber/reflector

C Yuan, R Yang, J Wang, J Tian - Optik, 2020 - Elsevier
We report an all-graphene-dielectric terahertz metamaterial absorber/reflector, whose
absorption bandwidth and absorptivity can be tuned by applying the bias voltage to regulate …

A wideband and polarization-insensitive graphene-based metamaterial absorber

MR Nickpay, M Danaie, A Shahzadi - Superlattices and Microstructures, 2021 - Elsevier
The concept of a wideband and polarization-insensitive absorber based on graphene for
terahertz (THz) applications is presented in this paper. To broaden the absorption …

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 …

Tunable multiband metamaterial perfect absorber based on a metal-graphene multilayer structure

P Li, PS Zhang, XH Deng, JR Yuan - Indian Journal of Physics, 2024 - Springer
In this paper, a tunable multiband metamaterial perfect absorber based on a metal-
graphene multilayer structure is proposed, and the absorber consists of a metal layer …

Polarization-insensitive terahertz tunable broadband metamaterial absorber on u-shaped graphene array

ABMA Hossain, A Khaleque… - 2023 International …, 2023 - ieeexplore.ieee.org
In this paper, we propose a broadband metamaterial absorber developed on a simple
periodic structure of a U-shaped graphene array that could offer polarization-insensitive …

Individually frequency and amplitude tunable metamaterial absorber with sensing functions based on strontium titanate and graphene

H Feng, Z Zhang, J Wang, J Zhang, D Fang… - Diamond and Related …, 2022 - Elsevier
A terahertz metamaterial absorber with sensing function based on strontium titanate (STO)
and graphene is designed. The optical characteristics of the designed structures are …

Graphene-based tunable terahertz metamaterial absorber with high absorptivity

J Song, Y Xu, D Ling, D Wei, C Yang… - 2018 IEEE International …, 2018 - ieeexplore.ieee.org
In this paper, we present a graphene-based metamaterial absorber, which is comprised of
three layers with a meta-dielectric-graphene structure. Numerical simulations demonstrate …