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Título

Measuring the electron temperature by optical emission spectroscopy in two temperature plasmas at atmospheric pressure: A critical approach

AutorYanguas-Gil, Alejandro; Cotrino, José ; González-Elipe, Agustín R.
Palabras claveArgon
Plasma diagnostics
Plasma temperature
Plasma collision processes
Plasma transport processes
Fecha de publicación13-feb-2006
EditorAmerican Institute of Physics
CitaciónJournal of Applied Physics 99(3): 033104 (2006)
ResumenThe measurement of the electron mean kinetic energy by identifying the electron temperature and the excitation temperature obtained by optical emission spectroscopy is theoretically studied for two temperature argon plasmas at atmospheric pressure. Using a 32-level collisional radiative model in which both electron impact and argon-impact inelastic collisions are taken into account, it has been found that under certain conditions the argon inelastic collisions may cause a decrease of the argon excitation temperature so that the relation Te>Texc>T0 is satisfied. This inequality also appears when electron losses due to diffusion are important and the electron density is lower than its equilibrium value.
Descripción6 pages, 5 figures, 2 tables.-- PACS: 52.70.Kz; 52.25.Os; 52.20.Fs; 52.20.Hv; 52.25.Fi
Versión del editorhttp://dx.doi.org/10.1063/1.2170416
URIhttp://hdl.handle.net/10261/21622
DOI10.1063/1.2170416
ISSN0021-8979
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