Optically stimulated luminescence in retrospective dosimetry

L. Bøtter-Jensen, A.S. Murray

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    Since the beginning of the 1990s the exploration of optically stimulated luminescence (OSL) in retrospective accident dosimetry has driven an intensive investigation and development programme at Riso into measurement facilities and techniques. This paper reviews some of the outcomes of this programme, including the evaluation of the single-aliquot regenerative-dose (SAR) measurement protocol with brick quartz and the determination of dose-depth profiles in building materials as a guide to determining the mean energy of the incident radiation. Investigations into heated materials are most advanced, and a lower detection limit for quartz extracted from Chernobyl bricks was determined to be < 10 mGy. The first results front the measurement of doses in unheated building materials such as mortar and concrete are also discussed. Both small-aliquot and single-grain techniques have been used to assess accident doses in these cement based building materials more commonly found in workplaces. Finally some results of a preliminary investigation of the OSL properties of household chemicals are discussed with reference to their potential as accident dosemeters.
    Original languageEnglish
    JournalRadiation Protection Dosimetry
    Issue number1-4
    Pages (from-to)309-314
    Publication statusPublished - 2002

    Cite this

    Bøtter-Jensen, L., & Murray, A. S. (2002). Optically stimulated luminescence in retrospective dosimetry. Radiation Protection Dosimetry, 101(1-4), 309-314.