Type

Journal Article

Authors

Denis Dowling
Patrick Cullen
Mick Donegan
Vladimir Milosavljevic

Subjects

Physics

Topics
atomic molecular and optical physics plasma diagnostic plasma and beam physics plasma diagnostics plasma optical spectroscopy optical emission spectroscopy atmospheric plasma jet

Diagnostics of an O2–He RF Atmospheric Plasma Discharge by Spectral Emission (2014)

Abstract In this paper optical emission spectroscopy (OES) is used as a Diagnostic technique for the measurement of atomic and molecular spectral emissions generated using a helium rf industrial atmospheric plasma jet system. The OES of neutral atomic spectral lines and molecular bands are investigated over a range of plasma process parameters.Wavelength resolve optical emission profiles suggest that the emission of helium’s spectral lines shows that the high energy electrons have a larger influence than helium metastables on the overall spectral emission. Furthermore, the experimental data indicates that the use of high helium flow rates, in any confined open air plasma discharge, limits thesignificance of air impurities, e.g., nitrogen, for the creation and sustainability of plasma discharges in helium–oxygen gas chemistry.
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Full list of authors on original publication

Denis Dowling, Patrick Cullen, Mick Donegan, Vladimir Milosavljevic

Experts in our system

1
Denis P. Dowling
University College Dublin
Total Publications: 50
 
2
Patrick Cullen
TU Dublin
Total Publications: 126
 
3
Vladimir Milosavljevic
TU Dublin
Total Publications: 35