Graphene-based polarization-insensitive metamaterials with perfect absorption for terahertz biosensing applications: Analytical approach

P Zamzam, P Rezaei, YI Abdulkarim… - Optics & Laser …, 2023‏ - Elsevier
In this paper, a terahertz metamaterials absorber structure with an average sensitivity of
2.538 THz/RIU is developed, which is very useful in various industries, including chemical …

Based on graphene tunable dual-band terahertz metamaterial absorber with wide-angle

M Huang, Y Cheng, Z Cheng, H Chen, X Mao… - Optics …, 2018‏ - Elsevier
We present a wide-angle tunable dual-band terahertz (THz) metamaterial absorber (MMA)
based on square graphene patch (SGP). This MMA is a simple periodic array, consisting of a …

Quad-band polarization-insensitive metamaterial perfect absorber based on bilayer graphene metasurface

P Zamzam, P Rezaei, SA Khatami - Physica E: Low-dimensional Systems …, 2021‏ - Elsevier
Highlights•Design of a quad-band metamaterial perfect absorber based on graphene
metasurface.•Four models of the proposed absorber to achieve single-band, dual-band and …

Programmable manipulation of terahertz beams by hybrid graphene-metal coding metasurfaces

X Wang, X He, J Jiang, Y Yao, G Lu - Diamond and Related Materials, 2022‏ - Elsevier
Recently, traditional tunable coding metasurfaces integrated with active components or
materials have exhibited not only many functionalities, but also reconfigurable responses …

[HTML][HTML] Highly compact tunable hourglass-shaped graphene band-stop filter at terahertz frequencies

G Mohammadi, A Orouji, M Danaie - Results in Optics, 2023‏ - Elsevier
In this research paper, we introduce a band-stop filter based on an hourglass-shaped
graphene nanoribbon topology. Employing the three-dimensional finite difference time …

Active wavefronts control with graphene-functionalized terahertz Metasurfaces

D Wang, X He, B Yang, J Jiang, Y Yao, G Lv - Diamond and Related …, 2022‏ - Elsevier
Metasurfaces, a new kind of artificial subwavelength structures, have exhibited
unprecedented capabilities in wavefront control of electromagnetic waves. Currently, a …

Band reduplication of perfect metamaterial terahertz absorber with an added layer: cross symmetry concept

P Zamzam, P Rezaei, O Mohsen Daraei… - Optical and Quantum …, 2023‏ - Springer
In this paper, one of the necessary and fundamental conditions for using an additional layer
to obtain more absorption bands in metamaterial absorbers is determined. We consider the …

Plasmonic absorption characteristics based on dumbbell-shaped graphene metamaterial arrays

C Cen, J Chen, C Liang, J Huang, X Chen… - Physica E: Low …, 2018‏ - Elsevier
In this paper, we proposed a theoretical model in the far-infrared and terahertz (THz) bands,
which are dumbbell-shaped graphene metamaterial arrays with a combination of graphene …

Active control of electromagnetically induced transparency based on terahertz hybrid metal-graphene metamaterials for slow light applications

C Zhang, Y Wang, Y Yao, L Tian, Z Geng, Y Yang… - Optik, 2020‏ - Elsevier
Recently, the dynamically controlled electromagnetically induced transparency (EIT)
metamaterials have been widely used in the slow light effect field to enhance the light-matter …

Super perfect polarization-insensitive graphene disk terahertz absorber for breast cancer detection using deep learning

P Zamzam, P Rezaei, SA Khatami… - Optics & Laser Technology, 2025‏ - Elsevier
In this research, a new analytical approach to terahertz absorbers using graphene disks is
introduced. Graphene disk is one of the ubiquitous patterns of graphene that can be seen in …