In this paper, a circular patch antenna with cross-shaped slot is designed. Graphene has
been used in the design of the said antenna. The proposed antenna structure has frequency …

In this article, we have managed to achieve a quad-band perfect classical absorber in the
terahertz band. In this proposed structure, which consists of three layers that the top and …

In the proposed article, the design of a flower-shaped reconfigurable graphene-based THz
microstrip patch antenna is presented. The cross-shaped slot in the center of the antenna …

Terahertz waves possess significant potential in various domains, including biomedical
applications, due to their distinct characteristics. The metasurface comprising …

A dual-band tunable metamaterial unit cell is presented as a refractive index sensor. Two
resonance peaks at 13.41 and 16.36 THz have been achieved with almost unity absorption …

We present a tunable ultra-wideband band-stop filter utilizing graphene with a
straightforward staggered structure. The transmission spectrum has been meticulously …

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 …

Broadband and efficient terahertz (THz) absorbers are crucial for various applications in
sensing, imaging, detecting, and modulation. Although recent studies have reported a series …

This paper reports the design and performance characteristics of perfect reflector tunable
metamaterial (MTM). The reported MTM parameters are optimized to achieve nearly 100 …

We introduce an ultrasensitive refractive-index sensor based on a patterned graphene dual-
band absorber operating in the terahertz band. COMSOL Multiphysics software was …