Ajeer, Ashkan;
Khong, Jia C;
Wilson, Matthew D;
Moss, Robert M;
(2023)
Hybrid energy and angle dispersive X-ray diffraction computed tomography.
Optics Express
, 31
(8)
pp. 12944-12954.
10.1364/OE.480664.
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Abstract
Pixelated energy resolving detectors enable acquisition of X-ray diffraction (XRD) signals using a hybrid energy- and angle- dispersive technique, potentially paving the way for the development of novel benchtop XRD imaging or computed tomography (XRDCT) systems, utilising readily available polychromatic X-ray sources. In this work, a commercially available pixelated cadmium telluride (CdTe) detector, HEXITEC (High Energy X-ray Imaging Technology), was used to demonstrate such an XRDCT system. Specifically, a novel fly-scan technique was developed and compared to the established step-scan technique, reducing the total scan time by 42% while improving the spatial resolution, material contrast and therefore the material classification.
| Type: | Article |
|---|---|
| Title: | Hybrid energy and angle dispersive X-ray diffraction computed tomography |
| Location: | United States |
| Open access status: | An open access version is available from UCL Discovery |
| DOI: | 10.1364/OE.480664 |
| Publisher version: | https://doi.org/10.1364/OE.480664 |
| Language: | English |
| Additional information: | © Optica Publishing Group 2023. Published by Optica Publishing Group under the terms of the Creative Commons Attribution 4.0 License (http://creativecommons.org/licenses/by/4.0/). |
| UCL classification: | UCL UCL > Provost and Vice Provost Offices > UCL BEAMS UCL > Provost and Vice Provost Offices > UCL BEAMS > Faculty of Engineering Science UCL > Provost and Vice Provost Offices > UCL BEAMS > Faculty of Engineering Science > Dept of Med Phys and Biomedical Eng |
| URI: | https://discovery.ucl.ac.uk/id/eprint/10171861 |
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