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. 2015 May 18;5:9827. doi: 10.1038/srep09827

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(a) Front view. (b) Same as (a), top view; The direction of the ptychography translation (black arrow) and the scanning step are indicated. The projected direction of propagation of the incident beam (white arrow) together with the beam footprint (FWHM of intensity, dotted ellipse) are shown. The gray ellipse corresponds to the beam footprint at the next beam-to-sample position. The ( orthogonal laboratory frame is given.

Inline graphic — (a) Front view. (b) Same as (a), top view; The direction of the ptychography translation (black arrow) and the scanning step are indicated. The projected direction of propagation of the incident beam (white arrow) together with the beam footprint (FWHM of intensity, dotted ellipse) are shown. The gray ellipse corresponds to the beam footprint at the next beam-to-sample position. The ( orthogonal laboratory frame is given.