Designing Efficient Phase-Gradient Metasurfaces for Near-Field Meta-Steering Systems

by Khushboo Singh, Muhammad U. Afzal, Karu P. Esselle
Published 2021-01-01

Additively Manufactured Perforated Superstrate to Improve Directive Radiation Characteristics of Electromagnetic Source

by Touseef Hayat, Muhammad U. Afzal, Ali Lalbakhsh, Karu P. Esselle
Published 2019-01-01

Beam-Scanning Antenna Based on Near-Electric Field Phase Transformation and Refraction of Electromagnetic Wave Through Dielectric Structures

by Muhammad U. Afzal, Ladislau Matekovits, Karu P. Esselle, Ali Lalbakhsh
Published 2020-01-01

Integration of Geometrically Different Elements to Design Thin Near-Field Metasurfaces

by Haider Ali, Muhammad U. Afzal, Karu P. Esselle, Raheel M. Hashmi
Published 2020-01-01

All-metal wideband metasurface for near-field transformation of medium-to-high gain electromagnetic sources

by Ali Lalbakhsh, Muhammad U. Afzal, Touseef Hayat, Karu P. Esselle, Kaushik Mandal
Published 2021-05-01

An All-Metal High-Gain Radial-Line Slot-Array Antenna for Low-Cost Satellite Communication Systems

by Mst Nishat Yasmin Koli, Muhammad U. Afzal, Karu P. Esselle, Raheel M. Hashmi
Published 2020-01-01

A dielectric free near field phase transforming structure for wideband gain enhancement of antennas

by Foez Ahmed, Muhammad U. Afzal, Touseef Hayat, Karu P. Esselle, Dushmantha N. Thalakotuna
Published 2021-07-01