The active frequency selective surface (AFSS), which can switch between five bands and
has multifunctional response, is novel inclusion in the spatial filters domain. The proposed …

In this paper, a reflective terahertz polarization converter is designed. With computer-based
simulations, the designed polarization converter achieves ultra-wideband (1.02~ 2.76 THz) …

This paper proposes an active frequency selective surface which furnishes three bands of
higher order filtering characteristics. It controls multi-functional features, at two bands …

This research introduces a tri-band frequency selective surface with multifunction
performance at two bands. Nine different functional states are achieved with biasing to the …

In this paper, a metasurface (MS)-based multi-functional electromagnetic (EM) structure is
proposed to realize its two different applications, namely absorption and radiation. The …

Metasurfaces have provided unprecedented degrees of freedom in manipulating
electromagnetic (EM) waves and have been applied in the communication field. Growing …

The advancement of mobile technology is driven by the requirements for wider bandwidth,
higher data rates, a large number of users, and reliable connectivity. The fifth generation …

This paper presents the design of a miniaturized intertwined pass-band inductive frequency
selective surface in a 2.5 D configuration. In the literature, we have identified that the 2.5 D …

In this paper, a novel polarization-insensitive frequency selective surface (FSS) design
realizing the switching between the three functions of transmission/absorption/reflection is …

In this article, an ultra-wideband adaptive switchable FSS with high selectivity is proposed.
The passive cell has steep sidebands, and ultra-wide passband. PIN diodes are loaded to …