Optically Stimulated Luminescence (OSL) from quartz is used,
e.g., for geological and archeological dating, and involves the measurement of
light from a sample, followed by fitting a sum of exponentials to these data.
We consider two different forms of exponential models for this purpose – one
without weighting and another with a certain weighting of the data. In this
work we compare the two models with regards to their ability to estimate
the correct model parameters, including the unknown number of exponential
components.
Keywords: Stimulated Luminiscense; Geological Dating; Exponential Sum
