Optically stimulated luminescence: A brief overview

The use of optically stimulated luminescence (OSL) in radiation dosimetry has been conditioned by the availability of suitable dosimetry (OSLD) materials. The crucial property dictating the suitability of a material as an OSLD is the material’s defect structure. This paper reviews some of the recent...

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Veröffentlicht in:Radiation measurements 2011-12, Vol.46 (12), p.1336-1341
1. Verfasser: McKeever, S.W.S.
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description The use of optically stimulated luminescence (OSL) in radiation dosimetry has been conditioned by the availability of suitable dosimetry (OSLD) materials. The crucial property dictating the suitability of a material as an OSLD is the material’s defect structure. This paper reviews some of the recent developments in radiation dosimetry that have been enabled by knowledge of the charge trapping and recombination processes occurring in OSLD materials during irradiation and stimulation. Although many materials have been and are currently being studied, this short review focuses on just two, namely carbon-doped aluminum oxide (Al 2O 3:C) and europium-doped potassium bromide (KBr:Eu). The defect structure and trapping/recombination mechanisms in these materials have led to application in several areas of radiation dosimetry and dose imaging. Two recent areas of development are in space dosimetry (for Al 2O 3:C) and in medical dosimetry (for KBr:Eu). This overview briefly describes these latter modern applications and relates the functionality of the OSLDs to their basic defect properties.
doi_str_mv 10.1016/j.radmeas.2011.02.016
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subjects Al 2O 3:C
Aluminum oxide
Defects
Dosimeters
Dosimetry
Earth sciences
Earth, ocean, space
Exact sciences and technology
Geochronology
Isotope geochemistry. Geochronology
KBr:Eu
Luminescence
Medical dosimetry
Optically stimulated luminescence
Radiation dosimetry
Radiation measurement
Recombination
Space dosimetry
Stimulation
Thermoluminescence
Trapping
title Optically stimulated luminescence: A brief overview
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