Analysis and Design of a Wideband Coaxial Transition to Metal and Printed Ridge Gap Waveguide. - Islam Afifi; Mohamed Mamdouh M. Ali; Mohamed Mamdouh M. Ali (IEEE Access, 2018)

High Gain and Wideband High Dense Dielectric Patch Antenna Using FSS Superstrate for Millimeter-Wave Applications. - Muftah Asaadi; Islam Afifi; Abdelrazik Sebak (IEEE Access, 2018)

$4 times4$ -Element Cavity Slot Antenna Differentially-Fed by Odd Mode Ridge Gap Waveguide. - Abduladeem Beltayib; Islam Afifi; Abdel Razik Sebak (IEEE Access, 2019)

Optimum Wideband High Gain Analog Beamforming Network for 5G Applications. - Essa H. Mujammami; Islam Afifi; Abdelrazik Sebak (IEEE Access, 2019)

Wideband Printed Ridge Gap Rat-Race Coupler for Differential Feeding Antenna. - Islam Afifi; Abdel Razik Sebak (IEEE Access, 2020)

Ultra-Wideband Differential Fed Hybrid Antenna With High-Cross Polarization Discrimination for Millimeter Wave Applications. - Magid Alzidani; Islam Afifi; Muftah Asaadi; Abdel Razik Sebak (IEEE Access, 2020)

Design of Wideband Linearly Polarized 3-Bit Transmit-Array Antenna With Polarization Rotation Unit Cell. - Magid Alzidani; Islam Afifi; Abdel Razik Sebak (IEEE Access, 2021)

Ultra-Wideband Compact Millimeter-Wave Printed Ridge Gap Waveguide Directional Couplers for 5G Applications. - Mohamed Mamdouh M. Ali; Osama M. Haraz; Islam Afifi; Abdel Razik Sebak; Tayeb A. Denidni (IEEE Access, 2022)

Wide Band Periodic 2D Leaky-Wave Antenna for Millimeter-Wave Application. - Abdullah Attar; Islam Afifi; Abdel Razik Sebak (IEEE Access, 2023)