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Figure 4
Simulated gratings (top) and total (bottom) resolving power for the three gratings of PRESTO at the different orders of diffraction. The drop in resolution is due to the used objective with a large FoV (15.4 mm) in order to collect the entire diffracted photon beam. The black line represents the measurements performed scanning the wavelength of the seed laser using an optical parametric amplifier.

Journal logoJOURNAL OF
SYNCHROTRON
RADIATION
ISSN: 1600-5775
Volume 23| Part 1| January 2016| Pages 35-42
doi:10.1107/S1600577515021116
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