Spectroscopic studies of a helium plasma generated near ceramic surface at pressures below 1000 hPa

被引：0
|
作者：
Musielok, J. [1 ]
Janus, H.W. [1 ]
Jelenski, W. [1 ]
机构：
[1] Pedagogical Univ Opole, Poland
来源：
| 1990年 / 51期
关键词：
Ceramic Materials--Surfaces - Electrons - Helium;
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摘要：
Spatially resolved line intensity measurements from a plasma generated near ceramic surfaces have been performed. Disk-shaped helium plasmas of diameter 20 mm and thicknes 0.9 mm have been studied in a pressure range of 2 × 103-105 Pa. On the basis of line intensity measurements and applying an appropriate collisional-radiative model for a helium plasma, the distributions of electron density and electron temperature have been evaluated.
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