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Signal requirements for 3D optically stimulated luminescence dosimetry

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For 3D optically stimulated luminescence (OSL) based dosimeters to be clinically applicable, certain standards must be met. Among these are low detectable doses with high accuracy and precision, ideally comparable with those of point-like detectors. By investigating a model of the central part of an OSL readout-system, we present an estimate of ∼ 4 10 7 Gy photons mm3 as the minimum required signal from OSL active materials embedded in a transparent matrix to allow measuring doses of 0.1 Gy with an accuracy and precision of 2 %. Further, 2D spatially resolved measurements of OSL emission from commercially available LiF:Mg,Cu,P pellets are presented and discussed.

Original languageEnglish
Article number012033
Book seriesJournal of Physics Conference Series
Number of pages5
Publication statusPublished - 2022

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