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Multi-modal ptychography: Recent developments and applications

DOI: 10.3390/app8071054 DOI Help

Authors: Xiaowen Shi (Diamond Light Source) , Nicolas Burdet (Advanced Light Source) , Darren Batey (Diamond Light Source) , Ian Robinson (University College London; Brookhaven National Laboratory)
Co-authored by industrial partner: No

Type: Journal Paper
Journal: Applied Sciences , VOL 8

State: Published (Approved)
Published: June 2018

Open Access Open Access

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.

Journal Keywords: X-ray diffraction; X-ray imaging; coherence; phase retrieval; X-ray ptychography

Subject Areas: Physics, Technique Development


Technical Areas: Theoretical Physics

Documents:
applsci-08-01054.pdf