Experimental observations of density-sensitive line emission from neon-like ions in a laser-produced plasma

Dot spectroscopy is used to observe the line emission from a laser-produced plasma which contained sodium, chlorine and bromine. The K-shell emission from chlorine and sodium was used to determine the plasma electron temperature and density. The ratios of the X-ray resonance lines from neonlike bromine were found to be density sensitive. The bromine line ratios and electron densities predicted by a neonlike model agree reasonably well with the experimental results.