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Figure 3
The angular beam profile reflected by a collimating mirror is calculated for a mirror length of 104 cm and mirror thicknesses of 10 cm, 4.5 cm, 2 cm, and an ideal mirror at 1 Å and the APS bending-magnet X-ray source parameters. For comparison, the FWHM of a Si (111) Darwin curve at 1 Å is shown by the arrows. The insert on the graph shows the relative flux throughput after the collimating mirror of length 104 cm and of given thickness to the ideal mirror for a beamline vertical acceptance angle of 86 µrad.

Journal logoJOURNAL OF
SYNCHROTRON
RADIATION
ISSN: 1600-5775
Volume 16| Part 5| July 2009| Pages 647-657
doi:10.1107/S0909049509022353
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