Bulletin of the American Physical Society
76th Annual Gaseous Electronics Conference
Volume 68, Number 9
Monday–Friday, October 9–13, 2023; Michigan League, Ann Arbor, Michigan
Session DR4: Plasma Semiconductor & RF Applications
1:30 PM–3:30 PM,
Thursday, October 12, 2023
Room: Michigan League, Hussey
Chair: Uwe Czarnetzki, Ruhr-University Bochum, Faculty of Physics and Astronomy
Abstract: DR4.00006 : Impedance Matching in Small Antennas through Capacitively-Coupled Plasma Technique*
3:00 PM–3:15 PM
Presenter:
Abbas Semnani
(The University of Toledo)
Authors:
Abbas Semnani
(The University of Toledo)
Kushagra Singhal
(University Of Toledo)
Samsud Moon
(The University of Toledo)
This study presents a novel approach utilizing capacitively coupled plasma for achieving wideband matching in small antennas. The proposed technique leverages the negative permittivity properties of plasmas, enabling the realization of a negative capacitor within a capacitively coupled structure. By utilizing the negative capacitance of the plasma, it becomes possible to compensate for the reactance of small antennas across a wide bandwidth. Experimental data confirming the successful implementation of this technique will be discussed. The results demonstrate the effectiveness of the plasma-based approach in achieving efficient radiation over low-frequency ranges, particularly in high-power (transmitting) scenarios.
*This work was supported by the Office of Naval Research under Grant Number N00014-21-1-2449.
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