Predictive modeling of plasmas for gaseous plasmonics.

Autor: David R Biggs, Thomas C Underwood, Mark A Cappelli
Předmět:
Zdroj: Plasma Sources Science & Technology; July2018, Vol. 27 Issue 7, p1-1, 1p
Abstrakt: The electromagnetic response of a resonant cavity in the presence of plasma discharges is studied, and a model to predict the formation of microwave pulses is developed using fluid plasma simulations and analytic microwave theory. Results for a 14 GHz rectangular cavity partially filled with plasma are then presented from both the model and from experiment as validation. Experimental results are shown to have good agreement with predicted values. It is seen that microwave pulses are generated with widths and delays as short as 1 μs during the plasma discharge decay and pulses with widths and delays as short as hundreds of ns during the plasma discharge ionization. Lastly, comparison is made with a simplified analysis by assuming a uniform plasma cylinder, which is shown to have reasonable agreement given enough fitting parameters. [ABSTRACT FROM AUTHOR]
Databáze: Complementary Index
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