Abstract
The thermally activated characteristics (TAC) of the linearly modulated optically stimulated luminescence (LM-OSL) signals of seven quartz samples from different origin were studied relative to the TAC of their respective thermoluminescence (TL) glow-peaks at 110 °C. Within the framework of the study the TAC behavior of the LM-OSL was investigated by measuring the OSL signal at room temperature (RT) with the 110 °C glow-peak present during OSL measurements, as well as, at 125 °C without the glow-peak at 110 °C removed by a cut-heat at 180 °C prior to OSL measurement. The LM-OSL curves were analyzed into individual components using a computerized deconvolution procedure. It was found that all individual LM-OSL components of each kind of quartz follow the TAC behavior of the respective TL glow-peak at 110 °C. The fourth component of the LM-OSL curve, centered at about t m = 400 s , appeared when the OSL measurements were performed at RT, whereas it was absent when the OSL measurement were performed at 180 °C. It is suggested that this component is closely related with the TL glow-peak at 110 °C.
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