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Figure 2
Simulated focal spots for the LDM beamline in the case of ideal (red) and real (blue) mirrors; the WISE program was used. The intensity profiles are calculated for FEL-1 at 30 nm and FEL-2 at 4 nm, and are displayed along the vertical and the horizontal directions. The diffraction effect is due to the finite size of the mirrors. The smallest achievable spot sizes (FWHM) are predicted to be ∼4 µm × 6 µm for FEL-1 and ∼3 µm × 5 µm for FEL-2. The areas are all normalized to unity in order to compare the size of the spot irrespective of the intensity of the incident beam.

Journal logoJOURNAL OF
SYNCHROTRON
RADIATION
ISSN: 1600-5775
Volume 22| Part 3| May 2015| Pages 538-543
https://doi.org/10.1107/S1600577515005743
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