A label-free graphene-based nanosensor using surface plasmon resonance for biomaterials detection

H Farmani, A Farmani, Z Biglari - Physica E: Low-dimensional Systems and …, 2020 - Elsevier
Graphene biosensors have received more and more attention over the past two decades in
the modern fields including labeled, and label-free sensing owing to their ability to harness …

Y-shaped graphene-based antenna with switchable circular polarization

MJ Chashmi, P Rezaei, N Kiani - Optik, 2020 - Elsevier
In this paper, an antenna with the ability to provide the right-and left-hand circular
polarization in the THz band is presented. The central frequency of the antenna is set at 0.45 …

Tunable plasmon induced transparency in graphene and hyperbolic metamaterial-based structure

MA Baqir, PK Choudhury, A Farmani… - IEEE Photonics …, 2019 - ieeexplore.ieee.org
A specially designed tunable hyperbolic metamaterial (HMM) based on plasmon induced
transparency (PIT) of fractal in the near-infrared (NIR) regime was proposed. The HMM-layer …

Polarization-insensitive multi-band metamaterial absorber operating in the 5G spectrum

RMH Bilal, MA Baqir, PK Choudhury, MM Ali… - Optik, 2020 - Elsevier
A polarization-insensitive multi-band metamaterial absorber comprised of four concentric
rectangular rib structures, mounted over a dielectric medium, was investigated. The …

High sensitivity refractive index and temperature sensor based on semiconductor metamaterial perfect absorber in the terahertz band

M Aslinezhad - Optics Communications, 2020 - Elsevier
We propose theoretically and numerically a highly sensitive refractive index and
temperature sensor based on semiconductor metamaterials in the terahertz range. We …

Polarization-insensitive ultra-wideband metamaterial absorber comprising different forms of ZrN structures at the metasurface

EM Sheta, PK Choudhury, ABMA Ibrahim - Optical Materials, 2022 - Elsevier
Ultra-wideband metamaterial absorber comprising zirconium nitride (ZrN)-based
metasurface was investigated. In particular, the metasurface had three different kinds of …

Polarization controling approach in reconfigurable microstrip graphene-based antenna

N Kiani, FT Hamedani, P Rezaei, MJ Chashmi… - Optik, 2020 - Elsevier
In this paper, the performance of graphene in patch antennas is investigated in order to
control the antenna polarization. The physical structure of the antenna is designed in such a …

On the VO2 metasurface-based temperature sensor

MA Baqir, PK Choudhury - JOSA B, 2019 - opg.optica.org
A specially designed vanadium dioxide (VO_2) metasurface-based temperature sensor was
investigated. In the configuration, stacked silicon dioxide and aluminum oxide multilayered …

Graphene-based metasurface for real-time control of three electromagnetic wave modes and polarization state

P Farzin, M Soleimani - Diamond and Related Materials, 2023 - Elsevier
In various practical applications, the demand for switchable metasurfaces with versatile
functionalities has grown significantly. This paper proposes a graphene-based metasurface …

Graphene-metamaterial based tunable broadband polarization insensitive absorber for terahertz antenna design

R Rahad, ASM Mohsin, B Bhuian, MM Rahman - IEEE Access, 2024 - ieeexplore.ieee.org
The advent of graphene has opened new avenues for the design of high-performance
metamaterial devices, particularly in the realm of electromagnetic absorption applications …