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VOLUME 23 (1976) | ISSUE 4 | PAGE 206
Measurement of the spatial profile of the electron density in a magnesium laser plasma by determining the Stark broadening in the x-ray region of the spectrum
We investigated the Stark broadening of the Is-5 ρ (λ =6576 A) line of the hydrogen-like ion MgXII in the x-ray emission spectrum of a laser plasma. The energy of the heating laser pulse was Ε = 25 J, the duration was τ = 10-10 sec, and λ= 1.06 μ. From the magnitude of the Stark broadening we constructed the dependence of the electron density Ne of the plasma on the distance to the target. The maximum value of Ne, measured near the target, was 3.1-1021 cm-3. The spatial resolution of the laser flare was 25 μ..