Visible spectroscopic measurements of neutral particle temperature in the sheet plasma

Hitoshi NAKAJIMA; Ryoichiro MURATA; Shiori ISHINO; Akihiro MATUBARA; Akira TONEGAWA; Kazutaka KAWAMURA; Kazuo TAKAYAMA

doi:10.2978/jsas.12.142

Hitoshi NAKAJIMA, Ryoichiro MURATA, Shiori ISHINO, Akihiro MATUBARA, Akira TONEGAWA, Kazutaka KAWAMURA, Kazuo TAKAYAMA

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Keywords: Visible spectroscopic measurement, neutral particle temperature, gas divertor

JOURNAL FREE ACCESS

2000 Volume 12 Issue 1-2 Pages 142-143

DOI https://doi.org/10.2978/jsas.12.142

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Abstract

We measured temperatures of He neutral particle and of Ne neutral particle in sheet plasma with the visible spectroscopy. The temperature of neutral particle for Ne was not dependent on the parameters i. e. the flow rate of Ne gas and the discharge current, while the temperature of neutral particle for He was dependent on the discharge current and not dependent on the flow rate of He gas. The temperature of He neutral particle tended to increase a little with the increase of discharge current.

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