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Optically stimulated luminescence(OSL) and its applications to archaeological materials: a pilot study
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068813.pdf
Date
1997
Author
Yurdatapan, Emre
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https://hdl.handle.net/11511/1405
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Graduate School of Natural and Applied Sciences, Thesis
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Optically Stimulated Luminescence (OSL) signals of BeO ceramics were investigated using continuous wave (CW) OSL and Linearly Modulated (LM) OSL It was found that both curves can be approximated using a linear combination of two first-order components. Experiments on the measurement temperature dependence have shown that these two components have nearly the same thermal quenching energies around 0.57 eV. Dependences of the OSL signal on preheat temperature and radiation dose were also examined. Thermal anne...
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Optically Stimulated Luminescence (OSL) is the luminescence emitted from a previously irradiated insulator (or a wide band gap semiconductor) upon exposure to light. The OSL signal intensity is a function of the radiation dose absorbed by the sample and thus can be used as the basis of a radiation dosimetry method. In the literature, OSL studies on natural fluorites are rather limited. In order to promote the material for radiation dosimetry, OSL properties of natural fluorites of different origin were exam...
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Optically stimulated luminescence from quartz measured using the linear modulation technique
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The optically stimulated luminescence (OSL) from heated natural quartz has been investigated using the linear modulation technique (LMT), in which the excitation light intensity is increased linearly during stimulation. In contrast to conventional stimulation, which usually produces a monotonically decreasing signal, linearly increasing the stimulation power gives peaks in the signal as a function of time. In cases where the OSL signal contains more than one component, the linear increase in power of the st...
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In this study, the potential of optically stimulated luminescence (OSL) dating for archaeological potteries was investigated. Firstly, recently purchased OSL and alpha counter systems were calibrated. Then, archaeological sherds taken from Datca-Burgaz (Mugla, Turkey) archaeological site of archaic and classical period (700-400 BC) were dated. Samples were prepared by the fine grain technique and paleodose was found by using the additive dose technique. The annual doses of uranium and thorium were determine...
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E. Yurdatapan, “Optically stimulated luminescence(OSL) and its applications to archaeological materials: a pilot study,” Middle East Technical University, 1997.
