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Figure 5
Emission spectra from the lysozyme sample (Lys+B1) as a function of time for two intensities, (a) 1019 W cm−2 and (b) 1020 W cm−2. The colour scale indicates emission in erg cm−2 sec−1 Hz−1 sterad−1. The dotted line at 20 fs shows the end of the X-ray pulse. Depending on the intensity, the plasma will continue to glow after the pulse, both in the XUV region and in the Kα region, due to continuous ionization from the hot electron gas.

IUCrJ
Volume 4| Part 6| November 2017| Pages 778-784
ISSN: 2052-2525
https://doi.org/10.1107/S2052252517014154