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Independent evaluation of optically stimulated luminescence (OSL) 'dot' dosemeters for environmental monitoring



Independent evaluation of optically stimulated luminescence (OSL) 'dot' dosemeters for environmental monitoring



Radiation Protection Dosimetry 143(1): 27-32



Optically stimulated luminescence (OSL) 'dot' dosemeters (manufactured by Landauer®) are reported to have a high degree of environmental stability, high level of sensitivity and provide wide range of dose measuring capabilities from 0.05 mGy to 100 Gy. The optical read out method is fast and relatively simple and permits repeated read out, but few studies have been performed about its application in monitoring radiation in the environment. This study was initiated to independently test the performance of OSL dot dosemeters for the application of measuring doses of radiation in the outdoor environment. Testing was performed in the laboratory to evaluate reproducibility and stability and in the field to evaluate accuracy relative to calibrated high-pressure ionisation chambers. The results showed that OSL dot dosemeters had good reproducibility and stability in both laboratory and field tests and met the performance requirements of standards of the American National Standards Institute.

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Accession: 053811184

Download citation: RISBibTeXText

PMID: 20947590

DOI: 10.1093/rpd/ncq289


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