Imaging samples larger than the field of view: the SLS experience

Volumetric datasets with micrometer spatial and sub-second temporal resolutions are nowadays routinely acquired using synchrotron X-ray tomographic microscopy (SRXTM). Although SRXTM technology allows the examination of multiple samples with short scan times, many specimens are larger than the field...

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Bibliographic Details
Published in:Journal of physics. Conference series 2017-06, Vol.849 (1), p.12004
Main Authors: Oikonomidis, Ioannis Vogiatzis, Lovric, Goran, Cremona, Tiziana P, Arcadu, Filippo, Patera, Alessandra, Schittny, Johannes C, Stampanoni, Marco
Format: Article
Language:English
Subjects:
Datasets
Field of view
Physics
Synchrotron radiation
Synchrotrons
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Summary:Volumetric datasets with micrometer spatial and sub-second temporal resolutions are nowadays routinely acquired using synchrotron X-ray tomographic microscopy (SRXTM). Although SRXTM technology allows the examination of multiple samples with short scan times, many specimens are larger than the field-of-view (FOV) provided by the detector. The extension of the FOV in the direction perpendicular to the rotation axis remains non-trivial. We present a method that can efficiently increase the FOV merging volumetric datasets obtained by region-of-interest tomographies in different 3D positions of the sample with a minimal amount of artefacts and with the ability to handle large amounts of data. The method has been successfully applied for the three-dimensional imaging of a small number of mouse lung acini of intact animals, where pixel sizes down to the micrometer range and short exposure times are required.
ISSN:1742-6588
1742-6596
DOI:10.1088/1742-6596/849/1/012004