Abstract
Correlation between soft x-ray emission and dynamic plasma behavior is discussed for a plasma focus device with injected neon. Intense H-like and He-like lines from neon are radiated during an interval when the plasma appears from a visible-light streak camera to be stable. However, data from a multiframing soft x-ray camera indicate the growth of m=0 macroscopic instabilities during this period. The peak of the soft x-ray signal coincides with the micropinch generated in the plasma column, and the emission ends simultaneously with the extinction of the visible light. The electron temperature and density, which are obtained from spectroscopic analysis, are ∼0.5 keV and ∼1022 cm−3, respectively.
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