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Three-Dimensional Mapping of Ion Density in a Double-Layer Helicon Plasma

Cox, Wesley; Hawkins, Rhys; Charles, Christine; Boswell, Roderick


An investigation of the ion density produced inside the Chi Kung reactor at 250 W and 0.30 mtorr was performed through Langmuir probe measurements. Three-dimensional interpolation combined these data to produce a 3-D density volume. The resulting image was used to identify three distinct regions of differing density: power deposition, acceleration, and expansion. The ion density over these regions was found to vary from ∼1.3 × 1010 to ∼2.7 × 1011 cm-3.

CollectionsANU Research Publications
Date published: 2008
Type: Journal article
Source: IEEE Transactions on Plasma Science
DOI: 10.1109/TPS.2008.924429


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