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Quantitative edge illumination x-ray phase contrast tomography

Hagen, CK; Diemoz, PC; Endrizzi, M; Rigon, L; Dreossi, D; Arfelli, F; Lopez, FCM; ... Olivo, A; + view all (2014) Quantitative edge illumination x-ray phase contrast tomography. In: Proc. SPIE 9212. (pp. p. 921205). Society of Photo Optical Instrumentation Engineers Green open access

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Abstract

This article discusses two experimental setups of edge illumination (EI) x-ray phase contrast imaging (XPCi) as well as the theory that is required to reconstruct quantitative tomographic maps using established methods, e.g. filtered back projection (FBP). Tomographic EI XPCi provides the option to reconstruct volumetric maps of different physical quantities, amongst which are the refractive index decrement from unity and the absorption coefficient, which can be used for dual-mode imaging. EI XPCi scans of a custom-built wire phantom using synchrotron and x-ray tube generated radiation were carried out, and tomographic maps of both parameters were reconstructed. This article further discusses the theoretical basis for the tomographic reconstruction of images showing combined phase and attenuation contrast. Corresponding experimental results are presented.

Type: Proceedings paper
Title: Quantitative edge illumination x-ray phase contrast tomography
Event: Developments in X-Ray Tomography IX
Open access status: An open access version is available from UCL Discovery
DOI: 10.1117/12.2061322
Publisher version: http://dx.doi.org/10.1117/12.2061322
Language: English
Additional information: Copyright 2014 Society of Photo Optical Instrumentation Engineers. One print or electronic copy may be made for personal use only. Systematic reproduction and distribution, duplication of any material in this paper for a fee or for commercial purposes, or modification of the content of the paper are prohibited.
Keywords: X-ray Phase Contrast Imaging, Tomography, Edge Illumination Phase Contrast, Quantitative Imaging, Laboratory-based Phase Imaging
UCL classification: UCL
UCL > Provost and Vice Provost Offices
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/1474195
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