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optically stimulated luminescence

Osl dating labs

Give the same regenerative dose Basically the comparison of the natural signal with the artificial luminescence signals should make it possible to interpolate the palaeodose directly. We consequently describe in the present paper its general principles and its application to the case-study samples LUM and LUM The results can be seen on the screen left of the picture photo: Several models have recently been developed. A recycling ratio significantly different with 1 means that for a similar dose the two signals are not the same: However, their precision is restricted due to methodological limits the use of several aliquots to obtain only one equivalent dose, obtained by extrapolation of the natural signal on a curve derived from various laboratory doses. It is therefore necessary to use a statistical model. The relevance of these models increases with the number of aliquots. Rodnight et al. Since the measurement of the luminescence signal occurs immediately after irradiation, these electrons are very likely to be released during the optical stimulation, leading to an overestimate of the signal. It will also overestimate the equivalent dose in the presence of a partially bleached sediment. Two types of procedures can be distinguished: Comparison with independent age control may also be very useful, as shown by H. Osl dating labs

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Osl dating labs

Osl dating labs

Osl dating labs

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