4 papers · 1 filter
Plasma-Enabled Wideband Matching of Electrically Small Antennas
Kushagra Singhal, Abbas Semnani
This paper presents a plasma-based approach for wideband impedance matching of electrically small antennas (ESAs). By exploiting the negative permittivity of a capacitively coupled…
Transiently Driven Reflectionless Resonant Microwave Plasmas via Virtual Critical Coupling
Muhammad Rizwan Akram, Abbas Semnani
Microwave plasma sources play a critical role in scientific research and a wide range of industrial, biomedical, and space applications. Resonant microwave structures have recently…
A Planar Huygens Antenna Utilizing Crossed Electric and Magnetic Dipoles
Muhammad Rizwan Akram, Abbas Semnani
The natural source of a magnetic dipole in antennas is typically an electrically small loop, which can be utilized in conjunction with an electric dipole to realize an electrically…
A High-Power Microwave Limiter Using A Self-Actuated Plasma-Based EIT Topology
Muhammad Rizwan Akram, Abbas Semnani
This paper presents a novel metamaterial topology incorporating gas discharge tubes for high-power microwave protection. The design features two split ring resonators positioned si…