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Figure 1
Top: absorption in Si and diamond as a function of photon energy. Bottom: energy deposited per atom and per pulse for different materials, calculated for a detector placed 30 cm upstream of the sample position at the MID station of the European XFEL in a pink SASE beam. The beam size is calculated assuming one of the standard focusing schemes available at MID (collimated, then focused) (Madsen et al., 2013BB31). The ablation (graphitization) threshold is at approximately 1 eV (0.7 eV) absorbed energy per atom and per pulse. The step at around 8 keV comes from different operation modes at the European XFEL.

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