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Experimental Study of Microwave Power Limitation in a Microstrip Transmission Line Using a DC Plasma Discharge for Preionization

Simon, Antoine and Pascaud, Romain and Callegari, Thierry and Liard, Laurent and Pascal, Olivier Experimental Study of Microwave Power Limitation in a Microstrip Transmission Line Using a DC Plasma Discharge for Preionization. (2018) IEEE Transactions on Plasma Science, 46 (7). 2512-2520. ISSN 0093-3813

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Official URL: http://doi.org/10.1109/TPS.2018.2842089

Abstract

Plasma-based microwave power limitation is experimentally investigated in a microstrip transmission line integrating a direct current (dc) plasma discharge for preionization. Steady state and transient high-power microwave measurements demonstrate that the preionization by the dc plasma discharge helps in reducing limiting power thresholds and time responses to about 30 dBm and tens to few microsecond, respectively. Besides, optical diagnostics also exhibit interesting behaviors of the plasma discharge such as diffusion and parasitic breakdowns. Finally, the effect of plasma confinement is discussed, and it is shown that reducing the volume devoted to plasma expansion leads to a decrease in the dynamic range of the microwave power limitation.

Item Type:Article
Audience (journal):International peer-reviewed journal
Uncontrolled Keywords:
Institution:French research institutions > Centre National de la Recherche Scientifique - CNRS (FRANCE)
Université de Toulouse > Institut National Polytechnique de Toulouse - INPT (FRANCE)
Université de Toulouse > Institut Supérieur de l'Aéronautique et de l'Espace - ISAE-SUPAERO (FRANCE)
Université de Toulouse > Université Toulouse III - Paul Sabatier - UPS (FRANCE)
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Deposited By: Romain Pascaud
Deposited On:31 Jul 2018 14:29

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