Tunable terahertz dielectric resonator antenna

G Varshney - Silicon, 2021 - Springer
An annular dielectric resonator (DR) antenna (DRA) is implemented for THz applications. A
silicon made DR is loaded with graphene disk for obtaining the tunability in the frequency …

Reconfigurable Vivaldi THz antenna based on graphene load as hyperbolic metamaterial for skin cancer spectroscopy

S Poorgholam-Khanjari, FB Zarrabi - Optics Communications, 2021 - Elsevier
Demand for an antenna with high gain and directivity for medical sensing is necessary so
the Vivaldi antenna in the THz spectrum with reconfigurable characteristics is a proper …

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 …

A frequency reconfigurable microstrip antenna based on graphene in Terahertz Regime

K Moradi, A Pourziad, S Nikmehr - Optik, 2021 - Elsevier
In this paper, a frequency reconfigurable THz antenna is presented. The antenna is a
microstrip antenna including a rectangular patch and a slotted ground plane. To realize …

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 …

High Q-factor compact and reconfigurable THz aperture antenna based on graphene loads for detecting breast cancer cells

F Kazemi - Superlattices and Microstructures, 2021 - Elsevier
The THz antennas play important role in various applications such as medical sensing. In
this paper, a compact THz antenna based on graphene loads is presented. The basic …

Reconfigurable graphene-based V-shaped dipole antenna: From quasi-isotropic to directional radiation pattern

MJ Chashmi, P Rezaei, N Kiani - Optik, 2019 - Elsevier
In this paper, a compact reconfigurable V-shaped dipole antenna in THz frequency with two
parasitic elements on the substrate of SiO 2 is presented. The antenna is designed in the …

Highly-efficient tunable dipole-driven Yagi–Uda antenna with end-fire radiation for terahertz application

NK Maurya, S Kumari, P Pareek, G Varshney - Nano Communication …, 2023 - Elsevier
This paper presents a highly efficient tunable dipole antenna with omnidirectional radiation.
The main radiator of the hybrid dipole is designed using a perfect electric conductor …

Compact and wide-band Quasi Yagi-Uda antenna based on periodic grating ground and coupling method in terahertz regime

S Poorgholam-Khanjari, FB Zarrabi, S Jarchi - Optik, 2020 - Elsevier
We are supposed to design a compact antenna and improve the bandwidth of a planar
Quasi Yagi-Uda Antenna in the Terahertz band by the periodic ground layer and parasitic …

Dual band compact fractal THz antenna based on CRLH-TL and graphene loads

F Kazemi - Optik, 2020 - Elsevier
Abstract the THz antenna with multi-band characteristic is interesting for various application
such as THz communication. In this paper, a compact THz antenna with dual-band attributes …