TEMPUS, a Timepix4-based system for the event-based detection of X-rays

Correa, J.; Ignatenko, A.; Pennicard, D.; Lange, S.; Fridman, S.; Karl, S.; Lohse, L.; Senfftleben, B.; Sergeev, I.; Velten, S.; Prajapat, D.; Bocklage, L.; Bromberger, H.; Samartsev, A.; Chumakov, A.; Rüffer, R.; von Zanthier, J.; Röhlsberger, R.; Graafsma, H.

doi:10.1107/S1600577524005319

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Figure 5
(a) Events binned by ToA obtained for several revolutions of PETRA III (initialized once per revolution). Hits corresponding to the 40 different electron bunches can be clearly distinguished due to the high time resolution of TEMPUS. (b) ToA binning of the two different TOT contributions divided by an arbitrary threshold placed at 650 ns ToT are shown. The obtained time resolution, defined as the FWHM of the distribution, corresponds to the expected values. The higher time resolution of the lower energy photons is due to the shorter absorption length in silicon. As mentioned in the text, time resolution was limited by the low biased silicon sensor: 23.3 and 9.7 ns, respectively.

JOURNAL OF
SYNCHROTRON
RADIATION

ISSN: 1600-5775

Volume 31| Part 5| September 2024| Pages 1209-1216

https://doi.org/10.1107/S1600577524005319

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