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Figure 9
The measured focal profile of the BSG625 capillary used for a flat source, CHESS B2 station, has smaller gain, larger FWHM, and is less likely a Gaussian with more X-rays in the profile wings compared with a calculated focusing of a round source of the same cross-area (dotted line). This measurement can be explained by a flat source formula, equation (8)[link], in the dash-dot line.

Journal logoJOURNAL OF
SYNCHROTRON
RADIATION
ISSN: 1600-5775
Volume 13| Part 1| December 2006| Pages 74-84
doi:10.1107/S0909049505038562
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