量研学術機関リポジトリ「QST-Repository」は、国立研究開発法人 量子科学技術研究開発機構に所属する職員等が生み出した学術成果（学会誌発表論文、学会発表、研究開発報告書、特許等）を集積しインターネット上で広く公開するサービスです。 Welcome to QST-Repository where we accumulates and discloses the academic research results(Journal Publications, Conference presentation, Research and Development Report, Patent, etc.) of the members of National Institutes for Quantum Science and Technology.
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Emission intensity ϵ from plasmas is a complicated function of electron temperature Te and electron density ne. To understand the dependence of ϵ on Te and ne, an experimental comparison between tomography data (local ϵ of ArII) and Langmuir probe data (Te and ne) in a linear plasma device PANTA is presented in this paper. In the comparison, the local emission intensity is modeled as ϵmodel∝Tαen2e, and the model is validated by calculating both cross-correlation function and least squares of residuals between the fluctuations of ϵ and ϵmodel. The comparison reveals that the both methods provide α = 2.3–2.7, higher than 2 that of the exponent of ne. This result confirms that dependence of Te on ϵ is larger than that of ne when Te is low, as in PANTA.
Comparison between Tomography and Langmuir Probe Data in PANTA
