Reproducibility assessment of commercial optically stimulated luminescence system in diagnostic X-ray beams
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 dosim...
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| Main Authors: | , , , , |
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| Format: | Article |
| Published: |
Springer Netherlands
2017
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| Subjects: | |
| Online Access: | http://eprints.utm.my/id/eprint/76539/ https://www.scopus.com/inward/record.uri?eid=2-s2.0-85031924794&doi=10.1007%2fs10967-017-5571-9&partnerID=40&md5=3706cb7f87ef5005d1805a9fc2368bf9 |
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| Summary: | 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. |
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