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Figure 9
Spot pattern in the focal plane of the monochromator scheme proposed in Fig. 8[link] with the grating parameters reported in Fig. 6[link], in which an uncollimated beam is diffracted off-plane and successively focused by the use of an astigmatically focusing crossed mirror pair with different focal length in the orthogonal directions. The latter mirrors are rotated away from a horizontal orientation in the laboratory frame counterclockwise by 30.25° and by 30.25° + 90° for an observer following the beam trajectory.

Journal logoJOURNAL OF
SYNCHROTRON
RADIATION
ISSN: 1600-5775
Volume 27| Part 6| November 2020| Pages 1499-1509
https://doi.org/10.1107/S1600577520011194
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