Bunch mode specific rate corrections for PILATUS3 detectors
Abstract
PILATUS X-ray detectors are in operation at many synchrotron beamlines around the world. This article reports on the characterization of the new PILATUS3 detector generation at high count rates. As for all counting detectors, the measured intensities have to be corrected for the dead-time of the counting mechanism at high photon fluxes. The large number of different bunch modes at these synchrotrons as well as the wide range of detector settings presents a challenge for providing accurate corrections. To avoid the intricate measurement of the count rate behaviour for every bunch mode, a Monte Carlo simulation of the counting mechanism has been implemented, which is able to predict the corrections for arbitrary bunch modes and a wide range of detector settings. This article compares the simulated results with experimental data acquired at different synchrotrons. It is found that the usage of bunch mode specific corrections based on this simulation improves the accuracy of the measured intensities by up to 40% for high photon rates and highly structured bunch modes. For less structured bunch modes, the instant retrigger technology of PILATUS3 detectors substantially reduces the dependency of the rate correction on the bunch mode. The acquired data also demonstrate that themore »
- Authors:
-
- DECTRIS Ltd., Baden (Switzerland)
- ETH Zurich, Zurich (Switzerland)
- EPF Lausanne, Lausanne (Switzerland)
- Univ. of Melbourne, Victoria (Australia). School of Physics.
- Argonne National Lab. (ANL), Argonne, IL (United States)
- Publication Date:
- Research Org.:
- Argonne National Lab. (ANL), Argonne, IL (United States)
- Sponsoring Org.:
- USDOE Office of Science (SC), Basic Energy Sciences (BES)
- OSTI Identifier:
- 1212764
- Alternate Identifier(s):
- OSTI ID: 1392923
- Grant/Contract Number:
- AC02-06CH11357
- Resource Type:
- Accepted Manuscript
- Journal Name:
- Journal of Synchrotron Radiation (Online)
- Additional Journal Information:
- Journal Name: Journal of Synchrotron Radiation (Online); Journal Volume: 22; Journal Issue: 3; Journal ID: ISSN 1600-5775
- Publisher:
- International Union of Crystallography
- Country of Publication:
- United States
- Language:
- English
- Subject:
- 46 INSTRUMENTATION RELATED TO NUCLEAR SCIENCE AND TECHNOLOGY; PILATUS detectors; photon counting; count rate correction; Monte Carlo simulation
Citation Formats
Trueb, P., Dejoie, C., Kobas, M., Pattison, P., Peake, D. J., Radicci, V., Sobott, B. A., Walko, D. A., and Broennimann, C. Bunch mode specific rate corrections for PILATUS3 detectors. United States: N. p., 2015.
Web. doi:10.1107/S1600577515003288.
Trueb, P., Dejoie, C., Kobas, M., Pattison, P., Peake, D. J., Radicci, V., Sobott, B. A., Walko, D. A., & Broennimann, C. Bunch mode specific rate corrections for PILATUS3 detectors. United States. https://doi.org/10.1107/S1600577515003288
Trueb, P., Dejoie, C., Kobas, M., Pattison, P., Peake, D. J., Radicci, V., Sobott, B. A., Walko, D. A., and Broennimann, C. Thu .
"Bunch mode specific rate corrections for PILATUS3 detectors". United States. https://doi.org/10.1107/S1600577515003288. https://www.osti.gov/servlets/purl/1212764.
@article{osti_1212764,
title = {Bunch mode specific rate corrections for PILATUS3 detectors},
author = {Trueb, P. and Dejoie, C. and Kobas, M. and Pattison, P. and Peake, D. J. and Radicci, V. and Sobott, B. A. and Walko, D. A. and Broennimann, C.},
abstractNote = {PILATUS X-ray detectors are in operation at many synchrotron beamlines around the world. This article reports on the characterization of the new PILATUS3 detector generation at high count rates. As for all counting detectors, the measured intensities have to be corrected for the dead-time of the counting mechanism at high photon fluxes. The large number of different bunch modes at these synchrotrons as well as the wide range of detector settings presents a challenge for providing accurate corrections. To avoid the intricate measurement of the count rate behaviour for every bunch mode, a Monte Carlo simulation of the counting mechanism has been implemented, which is able to predict the corrections for arbitrary bunch modes and a wide range of detector settings. This article compares the simulated results with experimental data acquired at different synchrotrons. It is found that the usage of bunch mode specific corrections based on this simulation improves the accuracy of the measured intensities by up to 40% for high photon rates and highly structured bunch modes. For less structured bunch modes, the instant retrigger technology of PILATUS3 detectors substantially reduces the dependency of the rate correction on the bunch mode. The acquired data also demonstrate that the instant retrigger technology allows for data acquisition up to 15 million photons per second per pixel.},
doi = {10.1107/S1600577515003288},
journal = {Journal of Synchrotron Radiation (Online)},
number = 3,
volume = 22,
place = {United States},
year = {Thu Apr 09 00:00:00 EDT 2015},
month = {Thu Apr 09 00:00:00 EDT 2015}
}
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