Low power microwave conductivity of atmospheric pressure plasma

Air, He, and Ar plasmas are analyzed at different pressures between 10 2 -10 5 Pa. COMSOL simulation is used to approximate the value of plasma conductivity. Electron density is calculated for a scattering time tau of about 10 -11 s, which is very close to the critical density, for which plasma freq...

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Published in2008 IEEE 35th International Conference on Plasma Science p. 1
Main Authors Porteanu, H.-E., Kuhn, S., Gesche, R.
Format Conference Proceeding
LanguageEnglish
Published IEEE 01.06.2008
Subjects
Conductivity
Plasmas
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Abstract Air, He, and Ar plasmas are analyzed at different pressures between 10 2 -10 5 Pa. COMSOL simulation is used to approximate the value of plasma conductivity. Electron density is calculated for a scattering time tau of about 10 -11 s, which is very close to the critical density, for which plasma frequency equals the microwave frequency. This might explain the sign change of the imaginary part of conductivity.
AbstractList Air, He, and Ar plasmas are analyzed at different pressures between 10 2 -10 5 Pa. COMSOL simulation is used to approximate the value of plasma conductivity. Electron density is calculated for a scattering time tau of about 10 -11 s, which is very close to the critical density, for which plasma frequency equals the microwave frequency. This might explain the sign change of the imaginary part of conductivity.
Author Gesche, R.
Porteanu, H.-E.
Kuhn, S.
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  organization: Ferdinand-Braun-Inst. fur Hochstfrequenztechnik, Berlin
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Snippet Air, He, and Ar plasmas are analyzed at different pressures between 10 2 -10 5 Pa. COMSOL simulation is used to approximate the value of plasma conductivity....
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SubjectTerms Conductivity
Plasmas
Title Low power microwave conductivity of atmospheric pressure plasma
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