Multi-beam ptychography with coded Fresnel zone plates
Mattias Åstrand,
Maik Kahnt,
Ulf Johansson
et al.
Abstract:X-ray ptychography is often implemented for nanoimaging at synchrotron radiation sources and extensions are being developed to make experiments faster. This work is on multi-beam ptychography with Fresnel zone plates that have a small lateral separation, enabling the imaging of an extended field of view without increasing exposure time. Sectional zone inversion is implemented for coding respective probes and up to three Fresnel zone plates are successfully used in parallel. The speed-up achieved, compared to s… Show more
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