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arXiv · 1507.05807

X-Ray Multimodal Tomography Using Speckle-Vector Tracking

Sebastien Berujon·Eric Ziegler
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Abstract

We demonstrate computerized tomography (CT) reconstructions from absorption, phase and dark-field signals obtained from scans acquired when the x-ray probe light is modulated with speckle. Two different interlaced schemes are proposed to reduce the number of sample exposures. First, the already demonstrated x-ray speckle-vector tracking (XSVT) concept for projection imaging allows the three signal CT reconstructions from multiple images per projection. Second, a modified XSVT approach is shown to provide absorption and phase reconstructions, this time from a single image per angular projection. Reconstructions from data obtained at a synchrotron facility emphasize the potential of the approaches for the imaging of complex samples.

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Sebastien Berujon, Eric Ziegler. 2016-04-20. X-Ray Multimodal Tomography Using Speckle-Vector Tracking. https://doi.org/10.1103/physrevapplied.5.044014

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