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Figure 3
Switching contrast. (a) The calculated switching contrast of the PicoSwitch in the grey shaded area of Fig. 1[link](c). The contrast results from the difference in diffraction efficiency in the on and off states of the switch and from the area loss function ALF = 11.34. The inset shows the X-ray spectrum emitted by the U17 undulator on the ID09 beamline. (b) Calculated pump–probe signals of an ultrashort step function (black dashed line) with a contrast of 2.94 (red solid line) and 1.35 (blue solid line). The latter contrast is obtained at a ten times higher X-ray bandwidth. (c) X-ray probe pulses used for the calculations in panel (b).

Journal logoJOURNAL OF
SYNCHROTRON
RADIATION
ISSN: 1600-5775
Volume 26| Part 4| July 2019| Pages 1253-1259
https://doi.org/10.1107/S1600577519005356
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