Single-grain dose-distribution measurements by optically stimulated luminescence using an integrated EMCCD-based system
Steffen Greilich, Natacha Gribenski, Dirk Mittelstra{\ss}, Kay, Dornich, S\'ebastian Huot, Frank Preusser
TL;DR
This study demonstrates a method for measuring dose distributions at the single-grain level using an EMCCD imaging system combined with automated analysis, achieving high recognition and dose recovery accuracy.
Contribution
The paper introduces an integrated EMCCD-based system with automated image processing for precise single-grain dose measurements in luminescence studies.
Findings
74% grain recognition success rate
44% grains showed suitable dose response
Central dose recovery ratio of 1.038
Abstract
We report on the feasibility of assessing single-grain dose-distributions by using an EMCCD-based imaging system with complementary analysis software. Automated image-processing was successfully applied to compensate sample motion and for automated grain identification. Following a dose recovery test, 74 % of the grains were recognized successfully, and 44 % exhibited a suitable OSL dose response behavior to interpolate an equivalent dose value and a central dose recovery ratio of 1.038 was obtained.
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