Abstract

Fundamental effects such as the participation of crystal lattice vibrations should be taken into account while considering photo-ionisation in solids at measurement temperatures characteristic for dosimetric applications. The impact of these effects on the optically stimulated luminescence (OSL) can be recognised for example by changes in the optical cross-section of the trap with the stimulation energy and the temperature. The OSL signal observed during the stimulation with variable energy, during the linear heating of a sample or during the stimulation with modulation of the shape of a spectral band can provide important information about the properties of the trap. Moreover, such methods when applied with carefully selected experimental parameters enable the effective separation of the OSL signal originating from different traps. The consequences of such an approach to optical stimulation will be presented using the modelling of the OSL process and compared with experimental results.

中文翻译：

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OSL特性：理论和实验

摘要

在考虑剂量学应用的测量温度特性下，固体中的光电离时，应考虑诸如晶格振动参与等基本效应。这些效应对光激发发光（OSL）的影响可以例如通过阱的光横截面随激发能量和温度的变化来识别。在以可变能量进行的刺激过程中，在样品的线性加热过程中或在调制光谱带形状的过程中观察到的OSL信号可以提供有关陷阱性质的重要信息。此外，当将这些方法与精心选择的实验参数一起应用时，可以有效分离源自不同陷阱的OSL信号。