11 September 2014 Quantitative edge illumination x-ray phase contrast tomography
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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.
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Charlotte K. Hagen, Charlotte K. Hagen, Paul C. Diemoz, Paul C. Diemoz, Marco Endrizzi, Marco Endrizzi, Luigi Rigon, Luigi Rigon, Diego Dreoosi, Diego Dreoosi, Fulvia Arfelli, Fulvia Arfelli, Frances C. M. Lopez, Frances C. M. Lopez, Renata Longo, Renata Longo, Alessandro Olivo, Alessandro Olivo, } "Quantitative edge illumination x-ray phase contrast tomography", Proc. SPIE 9212, Developments in X-Ray Tomography IX, 921205 (11 September 2014); doi: 10.1117/12.2061322; https://doi.org/10.1117/12.2061322
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