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Performance evaluation of Bragg coherent diffraction imaging

Ozturk, H; Huang, X; Yan, H; Robinson, IK; Noyan, IC; Chu, YS; (2017) Performance evaluation of Bragg coherent diffraction imaging. New Journal of Physics , 19 , Article 103001. 10.1088/1367-2630/aa83a9. Green open access

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Abstract

In this study,we present a numerical framework for modeling three-dimensional (3D) diffraction data in Bragg coherent diffraction imaging (BraggCDI) experiments and evaluating the quality of obtained 3D complex-valued real-space images recovered by reconstruction algorithms under controlled conditions. The approach is used to systematically explore the performance and the detection limit of this phase-retrieval-based microscopy tool. The numerical investigation suggests that the superb performance of Bragg CDI is achieved with an oversampling ratio above 30 and a detection dynamic range above 6 orders. The observed performance degradation subject to the data binning processes is also studied. This numerical tool can be used to optimize experimental parameters and has the potential to significantly improve the throughput of Bragg CDI method.

Type: Article
Title: Performance evaluation of Bragg coherent diffraction imaging
Open access status: An open access version is available from UCL Discovery
DOI: 10.1088/1367-2630/aa83a9
Publisher version: http://doi.org/10.1088/1367-2630/aa83a9
Language: English
Additional information: Copyright © Original content from this work may be used under the terms of the Creative Commons Attribution 3.0 licence. Any further distribution of this work must maintain attribution to the author(s) and the title of the work, journal citation and DOI.
Keywords: phase retrieval, x-ray microscopy, x-ray imaging,synchrotron radiation
UCL classification: UCL > Provost and Vice Provost Offices
UCL > Provost and Vice Provost Offices > UCL BEAMS
UCL > Provost and Vice Provost Offices > UCL BEAMS > Faculty of Maths and Physical Sciences
UCL > Provost and Vice Provost Offices > UCL BEAMS > Faculty of Maths and Physical Sciences > London Centre for Nanotechnology
URI: http://discovery.ucl.ac.uk/id/eprint/10025273
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