Microcontroller-based servo for two-crystal X-ray monochromators.
Microcontrollers have become increasingly easy to incorporate into instruments as the architectures and support tools have developed. The PIC series is particularly easy to use, and this paper describes a controller used to stabilize the output of a two-crystal X-ray monochromator at a given offset from its peak intensity position, as such monochromators are generally used.
Siddons
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National Synchrotron Light Source, Brookhaven National Laboratory, Upton, NY 11973, USA.