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An instrument has been designed for the routine analysis of the optically stimulated luminescence signal from single grains of sand. The system is capable of analysing over 3000 individual grains in a single measurement sequence, and the OSL signal from each grain can be read in less than 3 s. The design principles are described, along with preliminary measurements that illustrate the operation of the system and its capabilities.
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Duller et al. (1999) studied this question.
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