Polarization-insensitive graphene-based band-notched frequency selective absorber at terahertz

A Malekara, C Ghobadi, J Nourinia - Applied Optics, 2024 - opg.optica.org
This paper introduces a new polarization-insensitive graphene-based frequency selective
absorber (FSA) with a reflective notch designed for terahertz applications. The proposed …

Absorption enhancement in silicon-based dielectric resonator for quad-band terahertz biosensing

RK Gupta, JB Maurya - Physica Scripta, 2024 - iopscience.iop.org
A technique is implemented to obtain the multi-band perfect absorption (nearly 100%) in an
ultrathin silicon-based dielectric resonator (DR) using perturbation. A silicon-based plus …