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Type: Journal article
Title: Analysis of luminescence from common salt (NaCl) for application to retrospective dosimetry
Author: Spooner, N.
Smith, B.
Williams, O.
Creighton, D.
McCulloch, I.
Hunter, P.
Questiaux, D.
Prescott, J.
Citation: Radiation Measurements, 2011; 46(12 Sp Iss):1856-1861
Publisher: Pergamon-Elsevier Science Ltd
Issue Date: 2011
ISSN: 1350-4487
Statement of
N.A. Spooner, B.W. Smith, O.M. Williams, D.F. Creighton, I. McCulloch, P.G. Hunter, D.G. Questiaux and J.R. Prescott
Abstract: Thermoluminescence (TL), Optically-Stimulated Luminescence (OSL) and Infrared-Stimulated Luminescence (IRSL) emitted from a set of 19 salt (NaCl) samples were studied for potential application to retrospective dosimetry. TL emission spectra revealed intense TL emissions from most samples, centred on 590 nm; UV and blue emissions were also found. Significant thermally-induced sensitivity changes were observed and TL, OSL and IRSL growth curves were measured. Pulse anneal analysis was performed, as was quantitative imaging of the TL, OSL and IRSL to assess sample heterogeneity. Kinetic analysis found lifetimes at 20 °C of the 200 °C and 240 °C TL peaks to be 0.6 ka and 4 ka respectively; sufficient for application to retrospective dosimetry. © 2011 Elsevier Ltd. All rights reserved.
Keywords: Salt
Emission spectra
Luminescence imaging
Retrospective dosimetry
TL kinetics
Rights: Copyright 2011 Elsevier Ltd. All rights reserved.
DOI: 10.1016/j.radmeas.2011.06.069
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