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Figure 2
(Top left) The number of photons per pulse incident on the sample (Nph,pulse) as a function of pulse duration. (Bottom left) The number of detected photons per diffraction pattern (Nph,det). (Top right) The square of the average number of bound electrons in the sample molecule (Ne, bound2) in the middle of the pulse. (Bottom right) The scattering efficiency Nph,det/Nph,pulse. The decrease in Ne,bound as a consequence of ionization processes results in a reduced scattering efficiency with increasing pulse duration. Nevertheless, the total number of detected photons increases, since the longer pulses contain more photons.

IUCrJ
Volume 4| Part 5| September 2017| Pages 560-568
ISSN: 2052-2525