ArticleSensors (Basel, Switzerland)2020
Modelling of Phase Contrast Imaging with X-ray Wavefront Sensor and Partial Coherence Beams.
Article in Sensors (Basel, Switzerland), 2020. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 4 papers.
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Who cites it
4 citing papers in PubMed.
- Article
- High-angular-sensitivity X-ray phase-contrast microtomography of soft tissue through a two-directional beam-tracking synchrotron set-up.Journal of synchrotron radiation · 2024Article
- Special Issue "EUV and X-ray Wavefront Sensing".Sensors (Basel, Switzerland) · 2022Article
- Swept-Source-Based Chromatic Confocal Microscopy.Sensors (Basel, Switzerland) · 2020Article
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Authors and funding
4 authors.
Funding
Abstract
The Hartmann wavefront sensor is able to measure, separately and in absolute, the real δ and imaginary part β of the X-ray refractive index. While combined with tomographic setup, the Hartman sensor opens many interesting opportunities behind the direct measurement of the material density. In order to handle the different ways of using an X-ray wavefront sensor in imaging, we developed a 3D wave propagation model based on Fresnel propagator. The model can manage any degree of spatial coherence of the source, thus enabling us to model experiments accurately using tabletop, synchrotron or X-ray free-electron lasers. Beam divergence is described in a physical manner consistent with the spatial coherence. Since the Hartmann sensor can detect phase and absorption variation with high sensitivity, a precise simulation tool is thus needed to optimize the experimental parameters. Examples are displayed.
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Registered trials
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