Salinity and temperature detection for seawater based on a 1D-defective photonic crystal material

SR Qutb, AH Aly, W Sabra - International Journal of Modern Physics …, 2021 - World Scientific
In this work, we demonstrate the sensing principle to simultaneously detect the salinity and
temperature of seawater using a 1D-defective photonic crystal structure. We designed a one …

One-dimensional defective photonic crystals for the sensing and detection of protein

OA Abd El-Aziz, HA Elsayed, MI Sayed - Applied Optics, 2019 - opg.optica.org
The sensing of protein is of great importance because of its prominent role in building and
repairing tissues. In this work, we present a simple design for the detection and sensing of …

THz cutoff frequency and multifunction photonic bandgap materials

AH Aly, FA Sayed - International Journal of Modern Physics B, 2020 - World Scientific
By using the transfer matrix method (TMM), we theoretically explore the transmittance
properties and cutoff frequency of one-dimensional photonic crystal (1DPCs) within the …

Detection and sensing of hemoglobin using one-dimensional binary photonic crystals comprising a defect layer

MM Abadla, HA Elsayed - Applied optics, 2020 - opg.optica.org
Believing that the detection of hemoglobin possesses a vital role in the discovery of many
diseases, we present in this work a simple method for sensing and detecting hemoglobin …

Enhanced crystallinity, optical conductivity and terahertz cutoff frequency of stacked layers of FeSe2 by Al nanosheets

AF Qasrawi, AJ Toubasi - Optik, 2023 - Elsevier
Herein a 250 nm thick two stacked layers of FeSe 2 (abbreviated as FF) thin films and FF
stacks comprising aluminum nanosheets of thicknesses of 50 nm (FAF) are studied …

The optical properties of metamaterial-superconductor photonic band gap with/without defect layer

AH Aly, D Mohamed - Journal of Superconductivity and Novel Magnetism, 2019 - Springer
In the present work, we have investigated theoretically the optical properties of a new one-
dimensional defected photonic crystal structure (1DDPC). The structure is composed of …

Transmittance properties of one-dimensional metamaterial nanocomposite photonic crystal in GHz range

AG Mohamed, HA Elsayed, A Mehaney, AH Aly… - Scientific Reports, 2022 - nature.com
We have theoretically demonstrated and explored the transmittance characteristics of a one-
dimensional binary photonic crystal composed of metamaterial (MM) and nanocomposite …

Superconductor-based quaternary photonic crystals for high sensitivity temperature sensing

O Soltani, S Francoeur, M Kanzari - Chinese Journal of Physics, 2022 - Elsevier
We have numerically studied the transmission spectra of dielectric-superconductor photonic
crystals for temperature sensing and tunable filtering applications in the visible and near …

Design of a 1D PhC biosensor with enhanced sensitivity based on useful features provided for the detection of waterborne bacteria

AM Mohamed, W Sabra, M Mobarak… - Optical and Quantum …, 2024 - Springer
In this article, we propose a one-dimensional photonic crystal (1D-PhC) biosensor design to
detect water-borne bacteria such as Shigella, Vibrio cholera, Salmonella, and E. coli. The …

Tuning of transmittance spectrum in a one-dimensional superconductor-semiconductor photonic crystal

F Segovia-Chaves, H Vinck-Posada - Physica B: Condensed Matter, 2018 - Elsevier
Using, the two-fluid model and the transfer matrix method, we study transmittance spectrum
of a one-dimensional photonic crystal made up of alternated layers of a semiconductor …