Institute of Electrical and Electronics Engineers, IEEE Transactions on Plasma Science, 4(36), p. 1386-1387, 2008
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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 times 1010 to ~2.7 times 1011 cm-3.