X-ray ptychography

F Pfeiffer - Nature Photonics, 2018 - nature.com
X-ray ptychographic microscopy combines the advantages of raster scanning X-ray
microscopy with the more recently developed techniques of coherent diffraction imaging. It is …

PyNX: high-performance computing toolkit for coherent X-ray imaging based on operators

V Favre-Nicolin, G Girard, S Leake… - Journal of Applied …, 2020 - journals.iucr.org
The open-source PyNX toolkit has been extended to provide tools for coherent X-ray
imaging data analysis and simulation. All calculations can be executed on graphical …

A computational framework for ptychographic reconstructions

B Enders, P Thibault - Proceedings of the Royal Society …, 2016 - royalsocietypublishing.org
Ptychography is now a well-established X-ray microscopy tool for synchrotron end-stations
equipped with a scanning stage and a pixelated detector. Ptychographic phasing algorithms …

Illuminating the brain with X-Rays: Contributions and future perspectives of high-resolution microtomography to neuroscience

PV Rodrigues, K Tostes, BP Bosque… - Frontiers in …, 2021 - frontiersin.org
The assessment of three-dimensional (3D) brain cytoarchitecture at a cellular resolution
remains a great challenge in the field of neuroscience and constant development of imaging …

[HTML][HTML] Efficient large field of view electron phase imaging using near-field electron ptychography with a diffuser

F Allars, PH Lu, M Kruth, RE Dunin-Borkowski… - Ultramicroscopy, 2021 - Elsevier
Most implementations of ptychography on the electron microscope operate in scanning
transmission (STEM) mode, where a small focussed probe beam is rapidly scanned across …

Perspective: Towards single shot time-resolved microscopy using short wavelength table-top light sources

T Helk, M Zürch, C Spielmann - Structural Dynamics, 2019 - pubs.aip.org
Time-resolved imaging allows revealing the interaction mechanisms in the microcosm of
both inorganic and biological objects. While X-ray microscopy has proven its advantages for …

Coupled ptychography and tomography algorithm improves reconstruction of experimental data

M Kahnt, J Becher, D Brückner, Y Fam, T Sheppard… - Optica, 2019 - opg.optica.org
Three-dimensional (3D) x-ray microscopy by ptychographic tomography requires elaborate
numerical reconstructions. We describe a coupled ptychography-tomography reconstruction …

Particle-based model for functional and diffusion layers of solid oxide cells electrodes

H Moussaoui, J Debayle, Y Gavet, P Cloetens… - Powder Technology, 2020 - Elsevier
A novel particle-based model is proposed to generate synthetic yet representative 3D
microstructures of typical SOC electrodes. The model steps can be related to the real …

Super-resolution near-field ptychography

W Xu, H Lin, H Wang, F Zhang - Optics Express, 2020 - opg.optica.org
Compared to far-field ptychography, near-field ptychography can reduce the requirement on
the detector dynamic range, while it is able to cover a larger field of view with a fewer …

Three-dimensional space optimization for near-field ptychography

A Pan, B Yao - Optics Express, 2019 - opg.optica.org
A multiple slices approach in ptychography, termed 3ePIE algorithm, solves the multiple
scattering problems of thick samples, which is crucial to biomedical imaging and in situ …