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Special Issue on Low Temperature Plasma Jets
Open AccessArticle

Investigation of Power Transmission of a Helium Plasma Jet to Different Dielectric Targets Considering Operating Modes

1
Leibniz Institute for Plasma Science and Technology (INP Greifswald), Felix-Hausdorff-Str. 2, 17489 Greifswald, Germany
2
Centre for Innovation Competence (ZIK plasmatis), Felix-Hausdorff-Str. 2, 17489 Greifswald, Germany
3
Competency Center Diabetes Karlsburg (KDK), Greifswalder Str. 11, 17495 Karlsburg, Germany
*
Author to whom correspondence should be addressed.
Plasma 2019, 2(3), 348-359; https://doi.org/10.3390/plasma2030027
Received: 12 April 2019 / Revised: 30 July 2019 / Accepted: 12 August 2019 / Published: 22 August 2019
(This article belongs to the Special Issue Low Temperature Plasma Jets: Physics, Diagnostics and Applications)
The interaction of an atmospheric pressure plasma jet with different dielectric surfaces is investigated using a setup of two ring electrodes around a ceramic capillary. In this study, in addition to electrical measurement methods such as the determination of voltage and current, special emphasis was placed on the power measurements at the electrodes and the effluent. The power dissipation is correlated with Fourier-transform infrared (FTIR) absorption spectroscopy measurements of O3 and NO2 densities. The results show the correlation between the dielectric constant and the dissipated power at the target. The ratio between power dissipation at the grounded ring electrode and the grounded surface shows an increase with increasing dielectric constant of the target. A correlation of the results with bacteria, tissue and water as envisaged dielectric targets shows four times the power dissipation at the treatment spot between bacteria and tissue. View Full-Text
Keywords: power dissipation; plasma diagnostics; atmospheric pressure plasma jet; plasma medicine; dielectric surface; dielectric properties; Lissajous figure; operation mode power dissipation; plasma diagnostics; atmospheric pressure plasma jet; plasma medicine; dielectric surface; dielectric properties; Lissajous figure; operation mode
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Teschner, T.; Bansemer, R.; Weltmann, K.-D.; Gerling, T. Investigation of Power Transmission of a Helium Plasma Jet to Different Dielectric Targets Considering Operating Modes. Plasma 2019, 2, 348-359.

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