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The research will focus on the fundamentals of non-equilibrium plasmas and their interaction with the surrounding media such as solids or liquids using spectroscopic techniques.

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Dissipated electrical power and electron density in an RF atmsopheric pressure helium plasma jet

Here we present a method for the operando determination of absolute absorbed power in an RF atmospheric pressure helium plasma discharge using miniaturized probes. A detailed error analysis demonstrates the reliability of the measured power values. With the help of a global model, the sheath width and electron density (4 × 1016^(–11) × 1016 m^(−3)) are derived from these power measurements and compared to literature. The results and thus the validity of the electrical model are confirmed by a second, independent characterization method using optical emission spectroscopy and time-averaged imaging.

FieldValue
Publisher
Authors
Release Date
2021-01-07
Identifier
44b03ca0-ea6b-48ee-bab5-b7d53e0b1c0a
Permanent Identifier (DOI)
Permanent Identifier (URI)
Is supplementing
Plasma Source Name
Plasma Source Specification
Plasma Source Properties
Power 0-2 W
Language
English (United States)
License
Plasma Medium Name
Plasma Medium Properties
gas flow rate 1000 sccm Helium
Contact Name
Golda, Judith
Contact Email
Plasma Diagnostic Properties
Echelle spectrometer, photographs, current/voltage measurements
Public Access Level
Public
Plasma Diagnostic Name
Funding Agency
Project
Subproject

Data and Resources

Project Contact Name: 
Judith Golda