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P: Fachverband Plasmaphysik

P 2: Atmospheric Plasmas and their Applications I

P 2.4: Hauptvortrag

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

Multimodal Diagnostic Approaches and Interactive Analysis of Mode Transitions in the kINPen Plasma Jet Interacting with Surfaces — •Torsten Gerling¹, Hans Höft¹, Sander Bekeschus^1,2, Markus M. Becker¹, Klaus-Dieter Weltmann¹, and Philipp Mattern¹ — ¹1Leibniz Institute for Plasma Science and Technology (INP), Greifswald, Germany — ²Department of Dermatology and Venerology, Rostock University Medical Center, Rostock, Germany

The dynamic interactions of the effluent of the cold atmospheric pressure plasma jet kINPen and surfaces is investigated, focusing on the identification and characterization of distinct operational modes: conductive, transient, and free modes. By evaluating the influence of the surface distance on the plasma characteristics, the critical role of multimodal diagnostic techniques in monitoring mode shifts is explored including electrical measurements, high speed imaging, optical emission spectroscopy (OES), and acoustic analysis. Each diagnostic method revealed valuable insights into the discharge modes associated with a specific distance of the kINPen to the surface. The individual response of the detection methods to the mode shifts is compared and discussed. As data management emerges as a new challenge and burden in scientific research, this study highlights how leveraging these demands can inspire innovation and enhance scientific discovery. By providing the evaluated data in an interactive fashion, the results are prepared to support an individual exploration.

Keywords: Plasma Jets; Mode Detection; Electrical characterisation; Plasma Medicine; Plasma Surface Interaction