Single-shot x-ray speckle-based imaging of a single-material object

KM Pavlov, H Li, DM Paganin, S Berujon… - Physical Review …, 2020 - APS
We develop a means for speckle-based phase imaging of the projected thickness of a single-
material object, under the assumption of illumination by spatially random time-independent x …

Boosting spatial resolution by incorporating periodic boundary conditions into single-distance hard-x-ray phase retrieval

DM Paganin, V Favre-Nicolin, A Mirone, A Rack… - Journal of …, 2020 - iopscience.iop.org
A simple coherent-imaging method due to Paganin et al is widely employed for phase–
amplitude reconstruction of samples using a single paraxial x-ray propagation-based phase …

Sharp computational images from diffuse beams: Factorization of the discrete delta function

ID Svalbe, DM Paganin… - IEEE Transactions on …, 2020 - ieeexplore.ieee.org
Discrete delta functions define the limits of attainable spatial resolution for all imaging
systems. Here we construct broad, multi-dimensional discrete functions that replicate closely …

Revisiting neutron propagation-based phase-contrast imaging and tomography: use of phase retrieval to amplify the effective degree of brilliance

DM Paganin, M Sales, PM Kadletz, W Kockelmann… - Physical Review …, 2023 - APS
Propagation-based neutron phase-contrast tomography is demonstrated using the ISIS
pulsed spallation source. The proof-of-concept tomogram with a Paganin-type phase …

Factors limiting quantitative phase retrieval in atomic-resolution differential phase contrast scanning transmission electron microscopy using a segmented detector

T Mawson, DJ Taplin, HG Brown, L Clark, R Ishikawa… - Ultramicroscopy, 2022 - Elsevier
Quantitative differential phase contrast imaging of materials in atomic-resolution scanning
transmission electron microscopy using segmented detectors is limited by various factors …

Single-exposure elemental differentiation and texture-sensitive phase-retrieval imaging with a neutron-counting microchannel-plate detector

BD Arhatari, DM Paganin, H Kirkwood, AS Tremsin… - Physical Review A, 2024 - APS
Microchannel-plate (MCP) detectors, when used at pulsed-neutron-source instruments, offer
the possibility of high spatial resolution and high contrast imaging with pixel-level …

[PDF][PDF] Single-shot x-ray speckle-based imaging of a single-material object

DM Paganin, S Berujon, H Rougé-Labriet, E Brun… - 2020 - ir.canterbury.ac.nz
We develop a means for speckle-based phase imaging of the projected thickness of a single-
material object, under the assumption of illumination by spatially random time-independent x …

[HENVISNING][C] Revisiting neutron propagation-based phase contrast imaging and tomography: Effective-brilliance amplification

DM Paganin, M Sales, PM Kadletz, W Kockelmann… - arxiv, 2023 - Cornell University