A. J. Dicken
Energy-dispersive X-ray diffraction using an annular beam
Dicken, A. J.; Evans, J. P.O.; Rogers, K. D.; Greenwood, C.; Godber, S. X.; Prokopiou, D.; Stone, N.; Clement, J. G.; Lyburn, I.; Martin, R. M.; Zioupos, P.
Authors
J. P.O. Evans
K. D. Rogers
C. Greenwood
S. X. Godber
D. Prokopiou
N. Stone
J. G. Clement
I. Lyburn
R. M. Martin
Professor Peter Zioupos P.Zioupos@hull.ac.uk
Emeritus Professor of Biomedical Engineering
Abstract
We demonstrate material phase identification by measuring polychromatic diffraction spots from samples at least 20 mm in diameter and up to 10 mm thick with an energy resolving point detector. Within our method an annular X-ray beam in the form of a conical shell is incident with its symmetry axis normal to an extended polycrystalline sample. The detector is configured to receive diffracted flux transmitted through the sample and is positioned on the symmetry axis of the annular beam. We present the experiment data from a range of different materials and demonstrate the acquisition of useful data with sub-second collection times of 0.5 s; equating to 0.15 mAs. Our technique should be highly relevant in fields that demand rapid analytical methods such as medicine, security screening and non-destructive testing.
Citation
Dicken, A. J., Evans, J. P., Rogers, K. D., Greenwood, C., Godber, S. X., Prokopiou, D., Stone, N., Clement, J. G., Lyburn, I., Martin, R. M., & Zioupos, P. (2015). Energy-dispersive X-ray diffraction using an annular beam. Optics express, 23(10), 13443-13454. https://doi.org/10.1364/OE.23.013443
Journal Article Type | Article |
---|---|
Acceptance Date | May 10, 2015 |
Online Publication Date | May 13, 2015 |
Publication Date | May 18, 2015 |
Deposit Date | Oct 24, 2023 |
Publicly Available Date | Nov 13, 2023 |
Journal | Optics Express |
Print ISSN | 1094-4087 |
Publisher | Optica |
Peer Reviewed | Peer Reviewed |
Volume | 23 |
Issue | 10 |
Pages | 13443-13454 |
DOI | https://doi.org/10.1364/OE.23.013443 |
Public URL | https://hull-repository.worktribe.com/output/4424521 |
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Copyright Statement
© 2015 Optical Society of America. Users may use, reuse, and build upon the article, or use the article for text or data mining, so long as such uses are for non-commercial purposes and appropriate attribution is maintained. All other rights are reserved.
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