Characterizing the intrinsic properties of individual XFEL pulses via single-particle diffraction

Lee, H.; Shin, J.; Cho, D.H.; Jung, C.; Sung, D.; Ahn, K.; Nam, D.; Kim, S.; Kim, K.S.; Park, S.-Y.; Fan, J.; Jiang, H.; Kang, H.C.; Tono, K.; Yabashi, M.; Ishikawa, T.; Noh, D.Y.; Song, C.

doi:10.1107/S1600577519015443

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Figure 3
Characterization of the spatial coherence. (a) The radial intensity is fit to the structure factor of an ideal sphere by incorporating the spatial coherence with details described in the text. Best fit to the data is obtained for the coherence length of 1.16 µm (blue solid line). Others for the spatial coherence lengths of 0.6 µm (magenta) and 2.5 µm (dark brown) are compared. (b) The spatial coherence lengths for single X-ray pulses from SACLA are obtained. The average value was 0.94 ± 0.11 µm (red dashed line).

JOURNAL OF
SYNCHROTRON
RADIATION

ISSN: 1600-5775

Volume 27| Part 1| January 2020| Pages 17-24

https://doi.org/10.1107/S1600577519015443

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