Applying thermophotovoltaic (TPV) technologies to existing energy generators allows us to
increase energy output while utilizing present infrastructure by reclaiming the heat lost …

A polarization-insensitive triple-band metamaterial absorber (MMA) is proposed in this
paper. It is composed of three-layer structure: metal–dielectric–metal. The top metal layer is …

The design, simulation, fabrication, and measurement of an ultra-wide spectral band
metamaterial absorber were investigated in this paper. The unit cell consisting of three loop …

A dual-band and polarization insensitive tunable graphene absorber for THz frequency has
been proposed and investigated. The absorber consists of a square graphene ring with a slit …

This study presents a new, ultra‐thin compact microwave metamaterial absorber for
wideband applications. The proposed metamaterial absorber comprises an outer ring and …

In this article, an ultrathin penta‐band polarization‐insensitive metamaterial absorber has
been presented, which consists of an array of a closed ring embedded in a tetra‐arrow …

This paper reports on a tunable transmission frequency characteristics-based metamaterial
absorber of an X band sensing application with a fractional bandwidth. Tunable resonator …

In this paper, a multifunctional metasurface capable of switching between an absorber and a
polarization converter is presented. The active metasurface comprises diamond‐shaped unit …

An absorber structure is proposed in this paper that has dual resonance in the C-band and
shows broadband absorption characteristics in the X-band on altering its design parameters …

In this letter, a novel frequency tunable metamaterial absorber is proposed for wireless
humidity sensor applications made with natural cork. Natural cork has excellent …