journal article·2016-12-01Open access

Enhanced radiation dosimetry of fluoride phosphate glass optical fibres by terbium (III) doping

Christopher A. G. Kalnins, Heike Ebendorff-Heidepriem, Nigel A. Spooner, Tanya M. Monro

Optical Materials Express· Volume 6· Issue 12

Abstract

Fluoride phosphate (FP) glass fibres have been developed for radiation dosimetry based on the mechanism of optically stimulated luminescence (OSL).Doping with Tb 3+ ions improved the materials sensitivity; for samples melted in oxidising conditions, OSL intensity was increased from 8.8 × 10 5 cnts/g/Gy for undoped glass to 812.3 × 10 5 cnts/g/Gy for Tb 3+ -doped glass.The radiation sensor performance of Tb 3+ -doped glass fibres under both beta and X-ray irradiation demonstrated the capability of the fibres for radiation dosimetry applications.
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Research context

OpenAlex topics: Luminescence Properties of Advanced Materials · Glass properties and applications · Solid State Laser Technologies

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