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Figure 4
Top: schematic of IV and IH measurements via elastic scattering by air, using detectors (photodiodes) positioned above and beside the X-ray beam. Bottom: 400 µm-thick diamond plate Bragg peak and intensities associated with the polarization components for an incoming X-ray beam with 9 keV energy. The distance between peaks of vertical polarization (red curve) shows that the offset from the Bragg angle to reach maximum PC is approximately 0.0134°; and experimental curve for circular polarization degree. The data show that ∼98% of circular polarization was achieved using the 400 µm-thick C(111) plate.

Journal logoJOURNAL OF
SYNCHROTRON
RADIATION
ISSN: 1600-5775
Volume 27| Part 5| September 2020| Pages 1240-1246
https://doi.org/10.1107/S1600577520009558
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