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Figure 3
(a) Example spectra of the SASE beam mode (orange) and the HXRSS beam mode (black). The faint lines correspond to single-shot spectra recorded using a bent silicon spectrometer upstream of the MEC endstation at the LCLS (Zhu et al., 2012BB43). The thick lines correspond to the average spectra from 104 shots. For clarity, only 20 single-shot spectra are shown. (b) Number of photons scattered from a 50 µm-thick PMMA sample at Q = 3.5 Å−1 using the SASE beam mode (orange squares) and using the HXRSS beam mode (black squares). The solid line corresponds to a fit to the experimental data using a pseudo-Voigt lineshape.

Journal logoJOURNAL OF
SYNCHROTRON
RADIATION
ISSN: 1600-5775
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