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Updated: Mar 27, 2026

Isolation of Quartz Grains for Optically Stimulated Luminescence OSL Dating of Quaternary Sediments for Paleoenvironmental Research
Published on: August 2, 2021
Latest developments in silica-based thermoluminescence spectrometry and dosimetry
D A Bradley1, S M Jafari2, A S Siti Shafiqah3
1Department of Physics, University of Surrey, Guildford, Surrey GU2 7XH, UK; Department of Physics, University of Malaya, 50603 Kuala Lumpur, Malaysia.
Abstract:
Using irradiated doped-silica preforms from which fibres for thermoluminescence dosimetry applications can be fabricated we have carried out a range of luminescence studies, the TL yield of the fibre systems offering many advantages over conventional passive dosimetry types. In this paper we investigate such media, showing emission spectra for irradiated preforms and the TL response of glass beads following irradiation to an 241Am-Be neutron source located in a tank of water, the glass fibres and beads offering the advantage of being able to be placed directly into liquid. The outcomes from these and other lines of research are intended to inform development of doped silica radiation dosimeters of versatile utility, extending from environmental evaluations through to clinical and industrial applications.
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