Abstract
A 1.5 picosecond laser pulse with an intensity of more than 10 18 W/cm 2 was used to heat solid state magnesium targets. The unique characteristics of this plasma source together with a high resolution recording system ( λ Δλ = 10 4 ) allowed us to study multicharged ions with L- and M-shell dielectronic satellite structures in the wavelength range of 9.2–9.5 Å. Ten spectral lines determined by 1 s2 p4 l–1 s 24 l and 1 s2 p3 l–1 s 23 l transitions in Mg X and of 43 spectral lines of Mg IX were identified and measured. Parameters of the plasma in the process of its evolution were deduced.
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