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Figure 6
Focal-spot diagram at the sample located 37 m from the premirror. The cylindrical premirror (radius 3000 m) is located 42 m from the source and reflects sideways to focus the source image on the sample. (a) The premirror is elastically bent to give a cylindrical surface and focuses the beam with an r.m.s. horizontal spot width of 51 µm. (b) The bent premirror is subject to the heat load and focuses the beam with an r.m.s. horizontal spot width of 42 µm.

Journal logoJOURNAL OF
SYNCHROTRON
RADIATION
ISSN: 1600-5775
Volume 5| Part 3| May 1998| Pages 811-813
https://doi.org/10.1107/S0909049597019493
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