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 …

Propagation of p-polarized light in photonic crystal for sensor application

SA Shaheen, SA Taya - Chinese Journal of Physics, 2017 - Elsevier
In this work, a comprehensive analytical study is presented on two-layer one-dimensional
photonic crystal in which the first layer is considered to be an analyte layer and the second …

Theoretical investigation of guided modes in planar waveguides having chiral negative index metamaterial core layer

MM Abadla, SA Taya - Optik, 2017 - Elsevier
In this work, a slab waveguide consisting of a chiral negative index metamaterial film
surrounded by a dielectric medium was considered. The characteristics of both even and …

Photonic crystal with epsilon negative and double negative materials as an optical sensor

SA Taya, AA Alkanoo, NR Ramanujam… - Optical and Quantum …, 2018 - Springer
Two ternary photonic crystals are proposed for sensing applications. The first one is
composed of an air layer as an analyte sandwiched between two double negative material …

Reflection and transmission from left-handed material structures using Lorentz and Drude medium models

SA Taya, DM El− Amassi - Opto-Electronics Review, 2015 - degruyter.com
The present article investigates theoretically the refection and transmission through a
lossless dielectric slab embedded between two semi− infinite left− handed materials (LHMs) …

Slab waveguide with conducting interfaces as an efficient optical sensor: TE case

SA Taya, SS Mahdi, AA Alkanoo… - Journal of Modern …, 2017 - Taylor & Francis
In this paper, three-layer slab waveguide structure is treated for optical sensing applications.
Four waveguide configurations including different guiding films and analytes are assumed …

Slab waveguide sensor utilizing left-handed material core and substrate layers

SA Taya, AA Jarada, HM Kullab - Optik, 2016 - Elsevier
Propagation of transverse electric (TE) polarized light in two three-layer slab waveguide
structures comprising left-handed materials (LHMs) is studied for sensing applications. The …

Propagation of electromagnetic waves in slab waveguide structure consisting of chiral nihility claddings and negative-index material core layer

ANA Helal, SA Taya, KY Elwasife - Photonic Sensors, 2018 - Springer
The dispersion equation of an asymmetric three-layer slab waveguide, in which all layers
are chiral materials is presented. Then, the dispersion equation of a symmetric slab …

Theoretical investigation of five-layer waveguide structure including two left-handed material layers for refractometric applications

AA Alkanoo, SA Taya - Journal of Magnetism and Magnetic Materials, 2018 - Elsevier
A slab waveguide structure consisting of five layers is studied for optical sensing
applications. The five-layer waveguide structure has a guiding dielectric film, two left-handed …

Transverse magnetic mode slab waveguide optical sensor in the presence of conducting interfaces

NS Vadivu, SS Mahdi, SA Taya, AA Alkanoo… - Optik, 2019 - Elsevier
In this paper, three–layer slab waveguide is considered for the p-polarization whose free
charge layer with a surface conductivity is assumed to exist at the two interfaces. The …