The correlation of fast OSL component with the TL peak at 325 degrees C in quartz of various origins

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Elsevier Science BV

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Dergi sayısı


The fast component of the optically stimulated luminescence (OSL) signal in quartz is the basic tool for the optical dating. Its relation with the thermoluminescence (TL) glow-peak at about 325 degrees C is well established for naturally irradiated quartz. This relationship is also an important part of a general model for quartz on which many theoretical simulations of various OSL experimental results have been based. In the present work this relationship is systematically investigated in nine quartz samples of different origin. The linearly modulated OSL (LM-OSL) curves of all quartz samples for stimulation time less than 50s consists of two components discriminated easily by a computerized curve deconvolution (CCD) analysis. By comparing the un-bleached to the respective bleached TL glow-curve, it is found that the system of these two fast OSL components is directly related with only a small portion of the electron traps responsible for the TL glow-peaks in the temperature region 200-400 degrees C. By increasing the stimulation times, besides the two fast components, the medium and the slow components are also obtained. The medium and slow components are clearly related with the main body of the electron traps responsible for TL glow-peaks in the same temperature region 200-400 degrees C. Despite their different origin all quartz samples show an appreciable homogeneity concerning the number and time position of the individual components, whereas, the relative TL/OSL intensities vary strongly from sample to sample with the integrated TL intensity being generally much less than the integrated OSL intensity.


Anahtar Kelimeler

Thermoluminescence, Optically stimulated luminescence, Dating, Optically-stimulated luminescence, Lm-osl, Thermoluminescence, Samples, Relevance, Protocol, Curves, Models


Journal of Luminescence

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Kitis, G., Güneç Kıyak, N., Polymeris, G., & Tsirliganis, N. (2010). The correlation of fast OSL component with the TL peak at 325 degrees C in quartz of various origins. Journal of Luminescence, 130(2), 298-303. doi:10.1016/j.jlumin.2009.09.006