Figure 16
Kα fluorescence of a 5 µm Cr foil irradiated by an 10 µm X-ray FEL spot for calibration purposes (black-dashed) with fit (red). The spectral broadening of the lines by the 80 mm radius-of-curvature and 40 µm-thick HAPG crystal is ∼2 eV. Reproduced from Preston et al. (2020). |