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Figure 1
Crystal arrangement for the combination of the double-crystal monochromator and double-crystal beam cleaner. The monochromator is assumed to be Si(111) with the harmonics arising from higher-order reflections. The cleaner picks out one of these harmonics using the Si(111); the 3× fundamental energy is shown as being selected. The upper sign case of diffraction is shown for the cleaner on the incident beam side of the first crystal as described in the text.

Journal logoJOURNAL OF
SYNCHROTRON
RADIATION
ISSN: 1600-5775
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