Spectroscopic studies of a helium plasma generated near ceramic surface at pressures below 1000 hPa |
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Authors: | J Musielok H W Janus W Jeleński |
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Institution: | (1) Institute of Physics, Pedagogical University Opole, ul. Oleska 48, PL-45-052 Opole, Poland |
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Abstract: | Spatially resolved line intensity measurements from a plasma generated near ceramic surfaces have been performed. Disk-shaped helium plasmas of diameter 20 mm and thickness 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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Keywords: | 52 70 52 80 |
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