Abstract

Plasmas generated by repetitive high-voltage nanosecond pulses are promising for a number of applications due to their efficient ionization and production of excited species. In this work, we describe experimental studies of plasmas generated by 800 V, 2 ns, 10–100 kHz pulses in argon at pressures of 1–3 Torr in a parallel-plate electrode configuration. To study these plasmas, time-resolved microwave interferometry measurements of the spatially-averaged electron number density were conducted.

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