Analysis of luminescence from common salt (NaCl) for application to retrospective dosimetry

N. A. Spooner*, B. W. Smith, O. M. Williams, D. F. Creighton, I. McCulloch, P. G. Hunter, D. G. Questiaux, J. R. Prescott

*Corresponding author for this work

Research output: Contribution to journalArticlepeer-review

33 Scopus citations

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.

Original languageEnglish (US)
Pages (from-to)1856-1861
Number of pages6
JournalRadiation Measurements
Volume46
Issue number12
DOIs
StatePublished - Dec 1 2011
Externally publishedYes

Keywords

  • Emission spectra
  • IRSL
  • Luminescence imaging
  • OSL
  • Retrospective dosimetry
  • Salt
  • TL
  • TL kinetics

ASJC Scopus subject areas

  • Radiation
  • Instrumentation

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