J. Synchrotron Rad. (2006). 13, 343-345 [ doi:10.1107/S0909049506018449 ]
Abstract: The impact of decreased zone height on the focal properties of hard X-ray Bragg-Fresnel zone plates has been studied by numerical simulation. Decreased zone height allows for smaller zone widths and, although the efficiency of the lens is decreased, the signal-to-background ratio in the focal plane of the lens remains at a comparatively high level. This is distinct from an analogous case of ordinary phase zone plates.
Keywords: X-ray optics; X-ray diffraction; X-ray focusing; X-ray dynamical diffraction; Bragg-Fresnel optics; Fresnel zone plate.
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