Erlangen 2018 – wissenschaftliches Programm

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P: Fachverband Plasmaphysik

P 4: Atmospheric Pressure Plasmas I

P 4.1: Hauptvortrag

Montag, 5. März 2018, 14:00–14:30, KI 1.174

High-resolution spectroscopic and electrical diagnostics of barrier discharges — •Tomas Hoder — Masaryk University, Brno, Czech Republic

Streamer mechanism is one of the main ionisation mechanisms in high-pressure plasma jets, pulsing coronas or barrier discharges. In atmospheric air, it is an ultra-fast process which produces a light emission or current pulses with duration of only several units of nanoseconds. In such challenging case, an enhanced diagnostic method has to be applied. In this contribution, high-resolution sensitive spectroscopic and electrical methods will be presented which enable the determination of basic plasma parameters in mentioned fast ionising events. The presented methods will be applied to barrier discharges in contact with condensed matter - solid and liquid - and their use for further applied research will be critically discussed.

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