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Multi-Modal Ptychography: Recent Developments and Applications

Shi, X; Burdet, N; Batey, D; Robinson, IK; (2018) Multi-Modal Ptychography: Recent Developments and Applications. Applied Sciences , 8 (7) , Article 1054. 10.3390/app8071054. Green open access

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Abstract

Utilisation of partially coherent X-rays in Coherent X-ray Diffraction Imaging (CDI) and X-ray ptychography have brought intense research and developments for the past few years. Generally, data reconstructions convergence can be achieved by considering to incorporate partially coherent X-rays in ptychographic iterative reconstructions algorithms. Recently, exploration of both X-ray probe and sample modes have been studied and it was suggested that sufficient constraints are required to achieve accurate data reconstructions due to the mathematical inseparability of multiple sample modes that are superimposed into a single set of ptychographic intensity patterns. Here we review the multi-modal ptychography that can be used as a new emerging technique to investigate dynamical sample systems with partially coherent X-rays by recent experimental and simulated demonstrations.

Type: Article
Title: Multi-Modal Ptychography: Recent Developments and Applications
Open access status: An open access version is available from UCL Discovery
DOI: 10.3390/app8071054
Publisher version: https://doi.org/10.3390/app8071054
Language: English
Additional information: © 2018 by the Authors. Licensee MDPI, Basel, Switzerland. This article is an open access article distributed under the terms and conditions of the Creative Commons Attribution (CC BY) license (http://creativecommons.org/licenses/by/4.0/).
Keywords: X-ray diffraction, X-ray imaging, coherence, phase retrieval, X-ray ptychography
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/10053467
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