High-speed free-run ptychography at the Australian Synchrotron

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dc.contributor.authorJones, MWMen_AU
dc.contributor.authorvan Riessen, GAen_AU
dc.contributor.authorPhillips, NWen_AU
dc.contributor.authorSchrank, CEen_AU
dc.contributor.authorHinsley, GNen_AU
dc.contributor.authorAfshar, Nen_AU
dc.contributor.authorReinhardt, Jen_AU
dc.contributor.authorde Jonge, MDen_AU
dc.contributor.authorKewish, CMen_AU
dc.date.accessioned2023-08-18T02:32:21Zen_AU
dc.date.available2023-08-18T02:32:21Zen_AU
dc.date.issued2022-03en_AU
dc.date.statistics2023-04-24en_AU
dc.descriptionSynchrotron data were collected on the XFM beamline of the Australian Synchrotron, part of ANSTO. Andreas Moll and Ron Bosworth from ANSTO are acknowledged for providing a high-performance computing test platform and for stimulating discussions about the XFM beamline cluster implementation. Robin Kirkham and Chris Ryan from CSIRO are acknowledged for helpful discussions regarding the Maia data stream, and for including stage events that make fast and accurate ptychography frame registration possible. Brian Abbey from La Trobe University is acknowledged for helpful discussions and for providing funding for early development of the data analysis pipeline. David Paterson and Daryl Howard from ANSTO are acknowledged for assistance with XFM commissioning experiments. Stephen Mudie from ANSTO is acknowledged for assistance with integrating the EPICS area-detector software developed by Mark Rivers at Argonne National Laboratory. Bjoern Enders and the PtyPy development community are acknowledged for implementation assistance and continuous effort in software improvements.en_AU
dc.description.abstractOver the last decade ptychography has progressed rapidly from a specialist ultramicroscopy technique into a mature method accessible to non-expert users. However, to improve scientific value ptychography data must reconstruct reliably, with high image quality and at no cost to other correlative methods. Presented here is the implementation of high-speed ptychography used at the Australian Synchrotron on the XFM beamline, which includes a free-run data collection mode where dead time is eliminated and the scan time is optimized. It is shown that free-run data collection is viable for fast and high-quality ptychography by demonstrating extremely high data rate acquisition covering areas up to 352 000 μm2 at up to 140 μm2 s-1, with 13x spatial resolution enhancement compared with the beam size. With these improvements, ptychography at velocities up to 250 μm s-1 is approaching speeds compatible with fast-scanning X-ray fluorescence microscopy. The combination of these methods provides morphological context for elemental and chemical information, enabling unique scientific outcomes. © The Authors - Open Access CC-By Licenceen_AU
dc.description.sponsorshipThe purchase of the EIGER2 detector was supported in part by an ARC Linkage Infrastructure, Equipment and Facilities (LIEF) grant (No. LE130100192). Christoph E. Schrank gratefully acknowledges funding by the Australian Research Council through a Discovery grant (No. DP170104550). Nicholas W. Phillips acknowledges funding from the European Research Council (ERC) under the European Union Horizon 2020 research and innovation programme (grant agreement No. 714697) and under the Marie Skłodowska-Curie Actions (grant agreement No. 884104 PSI-FELLOW-III-3i).en_AU
dc.identifier.citationJones, M. W. M., van Riessen, G. A., Phillips, N. W., Schrank, C. E., Hinsley, G. N., Afshar, N., Reinhardt, J., de Jonge, M. D., & Kewish, C. M. (2022). High-speed free-run ptychography at the Australian Synchrotron. Journal of Synchrotron Radiation, 29(2), 480-487. doi:10.1107/S1600577521012856en_AU
dc.identifier.issn1600-5775en_AU
dc.identifier.journaltitleJournal of Synchrotron Radiationen_AU
dc.identifier.pagination480-487en_AU
dc.identifier.urihttps://doi.org/doi:10.1107/S1600577521012856en_AU
dc.identifier.urihttps://apo.ansto.gov.au/handle/10238/15094en_AU
dc.identifier.volume29en_AU
dc.language.isoenen_AU
dc.publisherInternational Union of Crystallographyen_AU
dc.subjectANSTOen_AU
dc.subjectX-ray fluorescence analysisen_AU
dc.subjectX-ray diffractionen_AU
dc.subjectImagesen_AU
dc.subjectAlgorithmsen_AU
dc.subjectBeamsen_AU
dc.subjectSpatial resolutionen_AU
dc.subjectMicroscopyen_AU
dc.titleHigh-speed free-run ptychography at the Australian Synchrotronen_AU
dc.typeJournal Articleen_AU
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