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Figure 8
The Jülich chopper. Panel (a) shows a photograph of the chopper with its vacuum flange removed. Panel (b) shows a schematic of its triangular rotor. The open time function, shown in panel (c), has a trapezoidal shape and, by changing h, the distance to the center of the X-ray beam from the rotor edge, the opening time can be set to transmit only one [panel (d)] or several [panel (e)] X-ray pulses.

Journal logoJOURNAL OF
SYNCHROTRON
RADIATION
ISSN: 1600-5775
Volume 18| Part 4| July 2011| Pages 658-670
https://doi.org/10.1107/S0909049511009423
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