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Figure 12
Various filter materials suited for separation of soft X-rays in two-color experiments. Calculated from data provided by the online database CXRO (Henke et al., 1993BB13). For every entry to the corresponding pair of hνt and hνa the transmission of the transmitted photon energy amounts to Tt(hνt, hνa) > 2.5% while achieving FR = 100. The hatched areas denote the additional spectral degree of freedom offered by the grating beam path with T > 2.5% as taken from Fig. 5[link] in first (green) and second order (red). The black marked area shows the expected future limits in two-color operation of FLASH2. The dashed area marks the spectral accessible region when two-color operation is extended to the oxygen K-edge. The area included by the dotted line represents the photon energy range in the third harmonic accessible by the afterburner (Tischer et al., 2022BB39).

Journal logoJOURNAL OF
SYNCHROTRON
RADIATION
ISSN: 1600-5775
Volume 31| Part 5| September 2024| Pages 1168-1178
https://doi.org/10.1107/S160057752400609X
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