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Figure 3
Photon energy repeatability limits and monochromator calibration accuracy for (a) the 600 lines mm−1 grating and (b) the 92 lines mm−1 grating. Dashed lines represent the photon energy repeatability calculated using the angular repeatability of the mechanical system. Solid lines show the positioning accuracy determined by the motion controllers. Red dots show a residual shift in photon energy after the calibration of the monochromator. The error bars of the red dots represent one standard deviation of the peak position that was obtained using different cff values.

Journal logoJOURNAL OF
SYNCHROTRON
RADIATION
ISSN: 1600-5775
Volume 28| Part 5| September 2021| Pages 1620-1630
https://doi.org/10.1107/S1600577521006032
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