Universiti Teknologi Malaysia Institutional Repository

Reproducibility assessment of commercial optically stimulated luminescence system in diagnostic X-ray beams

Musa, Y. and Hashim, S. and Bradley, D. A. and Karim, M. K. A. and Hashim, A. (2017) Reproducibility assessment of commercial optically stimulated luminescence system in diagnostic X-ray beams. Journal of Radioanalytical and Nuclear Chemistry, 314 (3). pp. 2029-2036. ISSN 0236-5731

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Abstract

This study investigates the reproducibility of commercial optically stimulated luminescence (OSL) system at different X-ray beams in general radiography. The reader stability was evaluated at first and found to be within the accepted tolerance level of ± 10%. Henceforth, reproducibility of OSL dosimeters due to repeated readouts after single exposure were found to be between 1.0% (80 kV/20 mGy) and 5.9% (80 kV/10 mAs), while reproducibility in repeated irradiation of optically stimulated luminescence dosimeters (OSLDs) from the same batch (80 kV/8 mGy) was between 1.8 and 4.3%. After multiple readouts of OSLD, the OSL signal decreased by approximately − 0.4% per readout and − 5.4% per 10 sequential readouts. The reproducibility response demonstrates the suitability of the nanoDots OSLD for use in radiography.

Item Type:Article
Uncontrolled Keywords:Depletion, NanoDots
Subjects:Q Science > QC Physics
Divisions:Science
ID Code:76539
Deposited By: Fazli Masari
Deposited On:30 Apr 2018 21:30
Last Modified:30 Apr 2018 21:30

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