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17 October 2012 X-ray fast tomography and its applications in dynamical phenomena studies in geosciences at Advanced Photon Source
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Abstract
State-of-art synchrotron radiation based micro-computed tomography provides high spatial and temporal resolution. This matches the needs of many research problems in geosciences. In this letter we report the current capabilities in microtomography at sector 2BM at the Advanced Photon Source (APS) of Argonne National Laboratory. The beamline is well suited to routinely acquire three-dimensional data of excellent quality with sub-micron resolution. Fast cameras in combination with a polychromatic beam allow time-lapse experiments with temporal resolutions of down to 200 ms. Data processing utilizes quantitative phase retrieval to optimize contrast in phase contrast tomographic data. The combination of these capabilities with purpose-designed experimental cells allows for a wide range of dynamic studies on geoscientific topics, two of which are summarized here. In the near future, new experimental cells capable of simulating conditions in most geological reservoirs will be available for general use. Ultimately, these advances will be matched by a new wide-field imaging beam line, which will be constructed as part of the APS upgrade. It is expected that even faster tomography with larger field of view can be conducted at this beam line, creating new opportunities for geoscientific studies.
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Xianghui Xiao, Florian Fusseis, and Francesco De Carlo "X-ray fast tomography and its applications in dynamical phenomena studies in geosciences at Advanced Photon Source", Proc. SPIE 8506, Developments in X-Ray Tomography VIII, 85060K (17 October 2012); https://doi.org/10.1117/12.936331
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