Broadband absorption in the terahertz regime is a challenge and onerous to realize with a
single layer metasurface. Self-similarity in fractal structures are exploiting metamaterial …

Broadband metasurface-based devices are essential and indispensable in modern wireless
communication systems. This paper presents an ultra− wideband and wide incident angle …

An ultrathin broadband metasurface-based absorber, comprised of tungsten nanowires, was
studied under the normal and oblique incidence of transverse electric (TE) and transverse …

This paper provides an overview of fractal antennas and metasurfaces, exploring their
design principles, performance, and applications. Fractal antennas, incorporating self …

This article proposes an analytical design methodology for different kinds of perfect
absorbers (PAs) based on metagratings (MGs). In the specific analysis and design, the …

Polarization devices are widely used in optical systems. However, traditional polarization
devices have many limitations, and the difficulty of integration is one of the biggest problems …

In this paper, we present a simple design of a sensing scheme based on a plasmonic
metamaterial absorber operating at THz frequencies. The unit cell of the designed structure …

A switchable and tunable reflective terahertz (THz) polarization converter based on
graphene metamaterial is designed and analyzed. By changing the Fermi energy level of …

Terahertz (THz) metamaterial absorbers have realized a prodigious reputation due to the
limitation of natural absorbing materials in this range. Getting wideband absorption …

We present a dynamically switchable polarization conversion metasurface (PCM) integrated
with an electromechanical actuator (EMA) that enabled the switching of states for the …