X-ray diagnostics of partially transparent Fe and Al plasmas for inverted corona targets
2000
Spectrum and energy measurements of X-ray radiation emitted by partially transparent Fe and Al plasmas have been earned out for thin-layered inverted-corona targets on the ISKRA-5 laser facility. The targets were plastic spherical (2-mm diam) shells of 4.6 mm thickness having 0.25 mm Fe or 0.65 mm Al thin inner coatings. The energy radiated in He α and Ly α resonance lines of Fe and Al ions was measured as well. Experimental data and results of numerical calculations are compared. Measured laser light to X-ray conversion coefficient has been found to be essentially low, then calculated one for both Fe and Al coated targets. Possible reasons for this discrepancy are discussed.
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