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Figure 6
The calculated and measured horizontal focusing sizes versus horizontal mirror throughput for the 18-ID KB mirror, concluding that a micro-focusing trapezoidal mirror can be bent accordingly to trade beam size with acceptance; final focusing size is not affected by whether the incident beam is pre-overfocused or pre-underfocused. While pre-overfocusing may have the potential of making smaller beam size with sacrificing acceptance, it is not pursued at 18-ID. Mirror throughput is normalized to the maximum flux, when a fully pre-focused beam, about 220 µm, is on the mirror.

Journal logoJOURNAL OF
SYNCHROTRON
RADIATION
ISSN: 1600-5775
Volume 17| Part 5| July 2010| Pages 644-652
doi:10.1107/S0909049510024337
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