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High-dynamic-range transmission-mode detection of synchrotron radiation using X-ray excited optical luminescence in
Stanislav Stoupin1, Sergey Antipov2, Alexander M Zaitsev3
1Cornell High Energy Synchrotron Source, Cornell University, Ithaca, NY 14853, USA.
Abstract:
Enhancement of X-ray excited optical luminescence in a 100 µm-thick diamond plate by introduction of defect states via electron beam irradiation and subsequent high-temperature annealing is demonstrated. The resulting X-ray transmission-mode scintillator features a linear response to incident photon flux in the range 7.6 × 108 to 1.26 × 1012 photons s-1 mm-2 for hard X-rays (15.9 keV) using exposure times from 0.01 to 5 s. These characteristics enable a real-time transmission-mode imaging of X-ray photon flux density without disruption of X-ray instrument operation.
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