A multi-MHz single-shot data acquisition scheme with high dynamic range: pump–probe X-ray experiments at synchrotrons

Britz, A.; Assefa, T.A.; Galler, A.; Gawelda, W.; Diez, M.; Zalden, P.; Khakhulin, D.; Fernandes, B.; Gessler, P.; Sotoudi Namin, H.; Beckmann, A.; Harder, M.; Yavaş, H.; Bressler, C.

doi:10.1107/S1600577516012625

Journal of Synchrotron Radiation Journal of
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Figure 7
Mean APD signal as a function of incident X-ray intensity for 200 V, 300 V and 350 V APD bias voltages, derived from the histograms in Fig. 6

. The APD signal is given in units of Fe fluorescence photons, which constitute mainly K_α photons of 6.4 keV. At the highest bias of 350 V the APD response is linear up to a mean signal of 20 photons, at 300 V bias up to 40 photons and at 200 V bias of beyond 80 photons.

JOURNAL OF
SYNCHROTRON
RADIATION

ISSN: 1600-5775

Volume 23| Part 6| November 2016| Pages 1409-1423

https://doi.org/10.1107/S1600577516012625

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