Evaluating scintillator performance in time-resolved
hard X-ray studies at synchrotron light sources
hard X-ray studies at synchrotron light sources
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Published version
Published version
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Author(s)
Type
Journal Article
Abstract
The short pulse duration, small effective source size and high flux of synchrotron
radiation is ideally suited for probing a wide range of transient deformation
processes in materials under extreme conditions. In this paper, the challenges of
high-resolution time-resolved indirect X-ray detection are reviewed in the
context of dynamic synchrotron experiments. In particular, the discussion is
targeted at two-dimensional integrating detector methods, such as those focused
on dynamic radiography and diffraction experiments. The response of a
scintillator to periodic synchrotron X-ray excitation is modelled and validated
against experimental data collected at the Diamond Light Source (DLS) and
European Synchrotron Radiation Facility (ESRF). An upper bound on the
dynamic range accessible in a time-resolved experiment for a given bunch
separation is calculated for a range of scintillators. New bunch structures are
suggested for DLS and ESRF using the highest-performing commercially
available crystal LYSO:Ce, allowing time-resolved experiments with an
interframe time of 189 ns and a maximum dynamic range of 98 (6.6 bits).
radiation is ideally suited for probing a wide range of transient deformation
processes in materials under extreme conditions. In this paper, the challenges of
high-resolution time-resolved indirect X-ray detection are reviewed in the
context of dynamic synchrotron experiments. In particular, the discussion is
targeted at two-dimensional integrating detector methods, such as those focused
on dynamic radiography and diffraction experiments. The response of a
scintillator to periodic synchrotron X-ray excitation is modelled and validated
against experimental data collected at the Diamond Light Source (DLS) and
European Synchrotron Radiation Facility (ESRF). An upper bound on the
dynamic range accessible in a time-resolved experiment for a given bunch
separation is calculated for a range of scintillators. New bunch structures are
suggested for DLS and ESRF using the highest-performing commercially
available crystal LYSO:Ce, allowing time-resolved experiments with an
interframe time of 189 ns and a maximum dynamic range of 98 (6.6 bits).
Date Issued
2016-03-31
Date Acceptance
2016-02-16
Citation
Journal of Synchrotron Radiation, 2016, 23
ISSN
1600-5775
Publisher
International Union of Crystallography
Journal / Book Title
Journal of Synchrotron Radiation
Volume
23
Copyright Statement
The Creative Commons Attribution (CC-BY) Licence applies to all open-access articles published in IUCr journals
License URL
Sponsor
Engineering & Physical Science Research Council (E
AWE PLC
Grant Number
EP/K503733/1
30266045/0
Subjects
Biophysics
0205 Optical Physics
0306 Physical Chemistry (Incl. Structural)
Publication Status
Published