Multi-element X-ray movie imaging with a visible-light CMOS camera

Published on Jan 1, 2019in Journal of Synchrotron Radiation
· DOI :10.1107/S1600577518014273
Wenyang Zhao1
Estimated H-index: 1
(University of Tsukuba),
Kenji Sakurai1
Estimated H-index: 1
(University of Tsukuba)
For many years, X-ray movies have been considered a promising tool for exploring and providing insights into chemical reactions. A simultaneous multi-element X-ray movie can further clarify the behavior difference of various elements and help investigate their interactions. The present short communication illustrates how to conduct multi-element X-ray movie imaging in a synchrotron facility solely by placing a micro-pinhole in front of a visible-light complementary metal-oxide semiconductor (CMOS) camera. It has been found that the CMOS camera can resolve X-ray fluorescence spectra when it is specially operated. In this work, a spatial resolution of ∼15 µm was achieved. In the X-ray movie, a movie frame acquisition time of 2 min and a spatial resolution of ∼50 µm were simultaneously achieved. It is clear that the CMOS camera can be a cost-efficient option for many researchers who wish to establish their own setup for visualizing chemical diffusion in various reactions.
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