Göttingen 2025 – wissenschaftliches Programm

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P: Fachverband Plasmaphysik

P 23: Atmospheric Plasmas and their Applications VI

P 23.1: Hauptvortrag

Donnerstag, 3. April 2025, 16:15–16:45, ZHG006

Electric Field Determination for Fundamental and Applied Discharge Physics — •Tomas Hoder — Masaryk University, Brno, Czech Republic

The electric field is one of the key parameters describing gas discharges and their dynamics. The spatiotemporal distribution of the electric field is crucial not only for calculating local electron-driven chemistry but also, more broadly, as a central parameter for validating computational models and developing or cross-checking new diagnostic methods. In this contribution, we will discuss the evaluation of the electric field using multiple methods, primarily optical emission and laser spectroscopy based. We will demonstrate the application of these methods for understanding barrier discharges, both within the discharge volume and on dielectric surfaces, and briefly assess the applicability of each method. Special attention will be given to the comparison of experimental results with computer simulations. Examples from both fundamental and applied industrial research will be presented and discussed.

Keywords: electric field; non-equilibrium plasma; optical emission spectroscopy; laser diagnostics