Helium atom line-intensity ratios as an integrated diagnostic tool for low-pressure and low-density plasmas

Helium atom line-intensity ratios as an integrated diagnostic tool for low-pressure and low-density plasmas

The intensity ratios between specific pairs of helium atom (HeI) emission lines are functions of the electron temperature (Te) and density (ne), and these functions have been used for the analysis of Te and ne in various types of discharge plasma. We applied this method to a low-density (ne 

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Veröffentlicht in:Physics of plasmas 2018-05, Vol.25 (5)
Hauptverfasser: Ueda, Akira, Shikama, Taiichi, Teramoto, Tatsuya, Higashi, Takanori, Iida, Yohei, Hasuo, Masahiro
Format: Artikel
Sprache:eng
Schlagworte:
Density
Diagnostic software
Diagnostic systems
Electron energy
Helium
Helium atoms
Metastable atoms
Photoexcitation
Plasma physics
Plasmas (physics)
Transport
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Zusammenfassung:The intensity ratios between specific pairs of helium atom (HeI) emission lines are functions of the electron temperature (Te) and density (ne), and these functions have been used for the analysis of Te and ne in various types of discharge plasma. We applied this method to a low-density (ne 
ISSN:1070-664X
1089-7674
DOI:10.1063/1.5027167