A novel multifunctional EBG-based coupled-line-defect directional coupler based on layered dielectric substrates

H Ouassal, J Shaker, L Roy, K Hettak… - IEEE Transactions on …, 2018 - ieeexplore.ieee.org
In this paper, a novel multifunctional coupler based on line-defect layered electromagnetic
bandgap (EBG) waveguides is proposed and studied. Extensive full-wave simulations are …

Multi‐layer EBG slab waveguide based on open square rings

H Ouassal, J Shaker, L Roy… - IET Microwaves …, 2017 - Wiley Online Library
A novel guiding channel that is electromagnetic bandgap (EBG) based is presented. The
structure is formed in a two‐dimensional slab of a square lattice of multi‐layer metallic open …

Compact EBG guides using substrate layered rings

H Ouassal, J Shaker, K Hettak… - 2016 17th …, 2016 - ieeexplore.ieee.org
Compact waveguides based on electromagnetic-bandgap (EBG) technology using layered
arrays of periodic metallic rings on a substrate have been developed. Structures have been …

Line Defect‐Layered EBG Waveguides in Dielectric Substrates

H Ouassal, J Shaker, L Roy, K Hettak… - … Journal of Antennas …, 2018 - Wiley Online Library
A dielectric‐based multilayer structure composed of U‐shaped rings (ML‐UR) is used to
develop a class of novel electromagnetic band gap (EBG) slab waveguide. The structure …

Investigation of electromagnetic band-gap structures using metallic open square rings for microwave applications

H Ouassal - 2016 - repository.library.carleton.ca
Electromagnetic band-gap (EBG) materials, also known as photonic band-gap (PBG)
materials or electromagnetic crystals (ECs), exhibit a forbidden range of frequencies, ie …

A novel multilayer electromagnetic bandgap structure composed of square rings as microwave guiding structures

H Ouassal, J Shaker, L Roy… - IEEE Transactions …, 2016 - ieeexplore.ieee.org
This paper presents a novel electromagnetic bandgap (EBG) structure composed of stacked
U-shaped 3-D lattice of metallic open square rings and its potential application to selected …