Needs, trends, and advances in scintillators for radiographic imaging and tomography

Z Wang, C Dujardin, MS Freeman… - … on Nuclear Science, 2023 - ieeexplore.ieee.org
Radiographic imaging and tomography (RadIT), which started with Röntgen's seminal X-ray
work in 1895, now includes an increasing number of IT modalities. In addition to the original …

Adaptive 3D convolutional neural network-based reconstruction method for 3D coherent diffraction imaging

A Scheinker, R Pokharel - Journal of Applied Physics, 2020 - pubs.aip.org
We present a novel adaptive machine-learning based approach for reconstructing three-
dimensional (3D) crystals from coherent diffraction imaging. We represent the crystals using …

Bragg coherent diffractive imaging for defects analysis: Principles, applications, and challenges

Y Sun, A Singer - Chemical Physics Reviews, 2024 - pubs.aip.org
The ability to visualize crystalline defects and lattice distortions at the nanoscale holds
profound implications for enhancing material properties and optimizing their design. Bragg …

High-energy micrometre-scale pixel direct conversion X-ray detector

CC Scott, M Farrier, Y Li, S Laxer, P Ravi… - Journal of …, 2021 - journals.iucr.org
The objective of this work was to fabricate and characterize a new X-ray imaging detector
with micrometre-scale pixel dimensions (7.8 µm) and high detection efficiency for hard X-ray …

Fourier ptychographic dark field x-ray microscopy

M Carlsen, TM Ræder, C Yildirim… - Optics …, 2022 - opg.optica.org
Dark-field x-ray microscopy (DFXM) is an x-ray imaging technique for mapping three-
dimensional (3D) lattice strain and rotation in bulk crystalline materials. At present, these …

Rapid detection of rare events from in situ X-ray diffraction data using machine learning

W Zheng, JS Park, P Kenesei, A Ali, Z Liu… - arXiv preprint arXiv …, 2023 - arxiv.org
High-energy X-ray diffraction methods can non-destructively map the 3D microstructure and
associated attributes of metallic polycrystalline engineering materials in their bulk form …

Taking Bragg Coherent Diffraction Imaging to Higher Energies at Fourth Generation Synchrotrons: Nanoscale Characterization

MI Richard, I Martens, M Dupraz, J Drnec… - ACS Applied Nano …, 2023 - ACS Publications
High-energy Bragg coherent diffraction imaging (BCDI) can enable three-dimensional
imaging of atomic structure within individual crystallites in complex environments. Here, we …

Quantifying Dynamic Signal Spread in Real-Time High-Energy X-ray Diffraction

DP Banco, E Miller, A Beaudoin, MP Miller… - Integrating Materials and …, 2022 - Springer
Measured intensity in high-energy monochromatic X-ray diffraction (HEXD) experiments
provides information regarding the microstructure of the crystalline material under study. The …

Sub-pixel high-resolution imaging of high-energy x-rays inspired by sub-wavelength optical imaging

N Bertaux, M Allain, J Weizeorick, JS Park… - Optics …, 2021 - opg.optica.org
We have developed and demonstrated an image super-resolution method—XR-UNLOC: X-
Ray UNsupervised particle LOCalization—for hard x-rays measured with fast-frame-rate …

The nanoscale imaging of the bulk polycrystalline material with the effects of depth of field and field of view based on x-ray free electron laser

C Wang, Y Liang, R Hu, K He, G Gao, X Yan… - arXiv preprint arXiv …, 2023 - arxiv.org
Microscale imaging of mesoscale bulk materials under dynamic compression is important for
understanding their properties. In this work, we study the effects of the depth of field (DoF) …