Abstract
The objective of this paper is to present the implementation of a square- wave current inverter power supply, and to describe its effect on the working domain of an Atmospheric Pressure Townsend Discharge (ATPD) in nitrogen. The results show that it allows a substantial increase of the percentage of time during which the discharge is ON (on-time) and therefore of the power delivered to the discharge, reaching almost 10 W/cm2 in pure nitrogen. Moreover, the increase of the on-time of the discharge implies a decrease of the extinction off-time between two discharges, and thus an increase of the memory effect from one discharge to the following one, as it is monitored by using electrical and optical measurements. This leads to a larger working domain of the ATPD, even when adding impurities in nitrogen.
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