Review on graphene-based absorbers for infrared to ultraviolet frequencies

SK Patel, J Surve, J Parmar, TK Nguyen - Journal of Advanced Engineering …, 2021‏ - jaec.vn
The graphene-based absorbers are widely applicable and highly efficient. Graphene has
very high electrochemical properties due to which tuning characteristics can be achieved …

Comparative analysis of metasurface array-based solar absorber for visible region

J Surve, J Parmar, SK Patel, R Jadeja - Optical and Quantum Electronics, 2021‏ - Springer
We have proposed a graphene-based metasurface solar absorber for broadband visible
wavelength range. The absorption analysis for four different designs is represented. We …

Temperature sensor utilizing a ternary photonic crystal with a polymer layer sandwiched between Si and SiO2 layers

DM El-Amassi, SA Taya, D Vigneswaran - Journal of Theoretical and …, 2018‏ - Springer
Recently, one-dimensional periodic ternary photonic crystals have shown outstanding
properties when compared to one-dimensional periodic binary photonic crystals. In this …

Numerical investigation of gold metasurface based broadband near-infrared and near-visible solar absorber

J Parmar, SK Patel, D Katrodiya, TK Nguyen… - Physica B: Condensed …, 2020‏ - Elsevier
We present broadband solar absorber using gold metasurface resonators. The gold
metasurface resonators are placed above MgF 2 substrate and tungsten ground plane. MgF …

Ternary photonic crystal with left-handed material layer for refractometric application

SA Taya - Opto-Electronics Review, 2018‏ - Elsevier
A ternary photonic crystal with left-handed material (LHM) layer is examined for
refractometric applications. One of the layers is assumed to be air and treated as an analyte …

Novel analytical model of anisotropic multi-layer cylindrical waveguides incorporating graphene layers

MB Heydari, MHV Samiei - Photonics and Nanostructures-Fundamentals …, 2020‏ - Elsevier
We propose a novel analytical model for anisotropic multi-layer cylindrical structures
containing graphene layers. The general structure is formed by the aperiodic repetition of a …

Broadband polarization-insensitive Jerusalem-shaped metasurface absorber based on phase-change material for the visible region

SK Patel, S Charola, RS Kumar, J Parmar - Physica B: Condensed Matter, 2022‏ - Elsevier
In this paper, a broadband metasurface absorber using phase change material covering the
visible region (500 THz to 740 THz) is numerically investigated. The top metallic layer …

Cancer cell detector based on a slab waveguide of anisotropic, lossy, and dispersive left-handed material

SA Taya, I Colak, B Suthar, OM Ramahi - Applied Optics, 2021‏ - opg.optica.org
Cancer is a disease that takes place when human cells grow uncontrollably. When detected
and cured early, it can be non-life-threatening. It becomes life-threatening in case of late …

Sensing performance of Fano resonance induced by the coupling of two 1D topological photonic crystals

ZEA Mohamed, S Elshahat, AM Abd-Elnaiem… - Optical and Quantum …, 2023‏ - Springer
In this work, a realized Fano resonance due to the coupling between two 1DTPC is
proposed for refractive index sensing with an ultra-high-quality factor of 106. The generated …

Extension of energy band gap in ternary photonic crystal using left-handed materials

DM El-Amassi, SA Taya, NR Ramanujam… - Superlattices and …, 2018‏ - Elsevier
We investigate the extension of energy band gap in one-dimensional ternary photonic
crystal. We assume one of the layers constituting the ternary photonic crystal to be left …