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This paper presents the results of using the laboratory X-ray system to study the diamond X-ray optics: single-crystal diamond plates and diamond X-ray parabolic refractive lenses. The system is equipped with the Excillum MetalJet D2+ 70kV high-brightness X-ray source with a liquid GaIn anode. To analyze the defects of the crystal structure, the X-ray diffraction imaging (topography) technique was applied. Two-dimensional images of the diamond plate were experimentally recorded from (111) crystal plane with 12 μm and 1.5 μm resolution. The images of the X-ray semi-lens were recorded from (400) and (220) crystal planes with 20 μm resolution. These topographs displayed various defects, such as growth striations and dislocations.
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Aleksandr Barannikov, Sergey Shevyrtalov, Maxim Polikarpov, Irina Snigireva, Anatoly Snigirev, "X-ray diffraction imaging of diamond x-ray optics in the laboratory," Proc. SPIE 11837, Advances in X-Ray/EUV Optics and Components XVI, 118370N (21 September 2021); https://doi.org/10.1117/12.2594722