Tunable broadband terahertz absorber based on star-shaped ring graphene metasurface

OD Asli, M Yazdi, BR Rezvan - Journal of Nanophotonics, 2024 - spiedigitallibrary.org
We introduced a tunable terahertz broadband absorber with near-unity absorption based on
a graphene metamaterial. A periodic array of star-shaped ring graphene resonators along …

Perfect absorber with high sensitivity based on hexagonal star graphene surface

J Liu, H Dai, J Ju, K Cheng - Surfaces and Interfaces, 2023 - Elsevier
Graphene absorbers have attracted wide attention due to their high absorption rate and
narrow bandwidth in the terahertz field. In this study, we proposed a dual-band terahertz …

Tuning control of dual-band terahertz perfect absorber based on graphene single layer

D Yan, J Li - Laser Physics, 2019 - iopscience.iop.org
A dual-band graphene tunable terahertz metamaterial absorber is designed and numerically
analyzed in this paper. The tunable absorber consists of two sizes of graphene square rings …

A polarization-insensitive and wide-angle terahertz absorber with ring-porous patterned graphene metasurface

H Shen, F Liu, C Liu, D Zeng, B Guo, Z Wei, F Wang… - Nanomaterials, 2020 - mdpi.com
A broadband terahertz (THz) absorber, based on a graphene metasurface, which consists of
a layer of ring-porous patterned structure array and a metallic mirror separated by an …

Tunable ultrathin ultrabroadband metamaterial absorber with graphene-stack-based structure at lower terahertz frequency

Y Dong, D Yu, G Li, G Li, H Ma - Physica E: Low-dimensional Systems and …, 2021 - Elsevier
In this paper, we investigate the absorption characteristic of the graphene-stack-based
metamaterial absorber at the lower terahertz frequency range for the ultrathin and …

Tuning control of broadband terahertz absorption using designed graphene multilayers

D Yan, J Li - Journal of Optics, 2019 - iopscience.iop.org
A broadband graphene-based tunable terahertz metamaterial absorber is achieved by
constructing a two-layer graphene microstructures, and detailed numerical and theoretical …

Dual broadband absorber based on graphene metamaterial in the terahertz range

N Hu, F Wu, L Bian, H Liu, P Liu - Optical Materials Express, 2018 - opg.optica.org
In this paper, a dual broadband terahertz (THz) graphene metamaterial absorber (MA) is
presented. The absorber consists of patterned graphene, a gating layer, and gold ground …

Graphene-Based Tunable Broadband Metamaterial Absorber for Terahertz Waves

K Zhang, S Dong, X Wu, K Yu, Y Liu - Available at SSRN 4821799 - papers.ssrn.com
In order to overcome the limitations exhibited by traditional absorbers in electromagnetic
wave absorption, such as the extremely narrow absorption bandwidth and uncontrollable …

A Tunable Terahertz Absorber Based on Double-Layer Patterned Graphene Metamaterials

X Tang, H Jia, L Liu, M Li, D Wu, K Zhou, P Li, L Tian… - Materials, 2023 - mdpi.com
Graphene is widely used in tunable photonic devices due to its numerous exotic and
exceptional properties that are not found in conventional materials, such as high electron …

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 …