Göttingen 2025 – wissenschaftliches Programm

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P: Fachverband Plasmaphysik

P 2: Atmospheric Plasmas and their Applications I

P 2.1: Hauptvortrag

Montag, 31. März 2025, 13:45–14:15, ZHG006

Nanosecond pulse generators for gas discharges — •Tom Huiskamp, Jeroen Van Oorschot, Chiel Ton, and Guus Pemen — Eindhoven University of Technology, Eindhoven, The Netherlands

Gas discharges generated by nanosecond high-voltage pulses have gained attraction for a number of reasons, but mainly because they are very efficient for a variety of (environmental) plasma applications such as air pollution control, nitrogen fixation, synthesis of chemicals, materials processing, plasma medicine and others. Specifically, researchers have noted that the pulse duration and the rise time of the applied high-voltage pulse have a significant influence on the radical yield of the transient plasmas generated with nanosecond pulses; shorter pulses result in higher yields. With the need to study gas discharges generated by these short pulses comes the need to understand how to generate those pulses and to understand the interaction between the pulse source and the discharge. In this contribution, we will explore the different methods with which to generate nanosecond high-voltage pulses, how the interaction between the pulse source and the discharge may influence the source and the discharge and how to optimize the energy transfer from the pulse source to the discharge.

Keywords: pulsed discharges; nanosecond pulses; pulsed power technology