By describing an idea based on binary matrices, a meta-surface design methodology has
been introduced in the THz spectrum window. Independence of the numerical values of the …

A three-layer adjustable THz wave absorber is introduced in this paper. The structure's
geometry is heavily based on a combination of periodic graphene disks and their …

This work presents a multi-variable biases device based on combined graphene patterns.
The periodic arrays of graphene disks and ribbons are exploited to realize a THz absorber …

Leveraging both method and concept a two-layer THz absorber based on periodic arrays of
graphene rings is proposed. The design methodology based on the equivalent circuit model …

An ultra-thin microwave absorber with a 34 GHz bandwidth more than 90% absorption in the
frequency range of 33.5 GHz-67.5 GHz, and 50 GHz bandwidth, more than 80% absorption …

A two-layers, multi-band super absorber with the capability of being tuned is proposed in this
paper. The idea behind the design is to realize periodic arrays of graphene disks via …

In this paper, a simple structure benefits from biased graphene rings with a nonlinear THz
wave mixer application. According to the impedance matching concept, the device …

To enhance the efficiency of exposure in greenhouses during specific cultivation periods, it
is essential to design a meta-face that effectively filters the green part of visible light. This …

Toxic gases cause a significant number of human deaths every year across the globe.
Different types of harmful substances can affect individuals in various ways. Inhaling these …

In this paper, an optical chemical sensor is proposed to detect some toxic gases such as
Methane (CH 4), Nitrogen (N 2), Nitrogen dioxide (NO2), and Carbon monoxide (CO). This …