Parallax in angular sensitive powder diffraction tomography Article Swipe

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Peter Modregger , Ahmar Khaliq , Felix Wittwer ·

YOU? · · 2025 · Open Access · · DOI: https://doi.org/10.1088/1742-6596/3010/1/012158

While a few methods for the determination of depth-resolved strain distributions each with inherent limitations are available, tomographic reconstruction has been applied to this problem in only a limited sense. One of the challenges was the potential impact of geometric parallax, which constitutes a non-negligible lateral offset of diffraction information arising from different sample depths at the detector. Here, the effect of parallax was investigated and two main results have emerged. First, the impact of parallax was found to be additive to other offset contributions, which implies a straightforward correction. Second, for tomographic scans utilizing a full 360° rotation parallax has been found to have no impact on reconstructions of angular information.

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$Diffraction$

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Parallax Tomography Diffraction Optics Materials science Computer science Computer vision Physics

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Type: article
Language: en
Landing Page: https://doi.org/10.1088/1742-6596/3010/1/012158
OA Status: diamond
References: 7
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OpenAlex ID: https://openalex.org/W4411062262

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DOI: https://doi.org/10.1088/1742-6596/3010/1/012158

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Title: Parallax in angular sensitive powder diffraction tomography

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Language: en

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Publication year: 2025

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Publication date: 2025-05-01

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Authors: Peter Modregger, Ahmar Khaliq, Felix Wittwer

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Landing page: https://doi.org/10.1088/1742-6596/3010/1/012158

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OA URL: https://doi.org/10.1088/1742-6596/3010/1/012158

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Concepts: Parallax, Tomography, Diffraction, Optics, Materials science, Computer science, Computer vision, Physics

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