Reuse of optically stimulated luminescent dosimeters (OSLDs) has been suggested in prior works by using a light source to erase the dosimeter’s signal (optical bleaching) and recharacterizing the dosimeter’s sensitivity based on its dose history. However, depending on the wavelength of the bleaching source and the dosimeter’s dose history this may be problematic due to the presence of deep dosimetric traps and the phototransfer mechanism observed in Al₂O₃. In this work we examine the regeneration of signal in OSL nanoDots, with prior irradiation history, following their bleaching from a light source containing blue wavelengths.

中文翻译：

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nanoDot OSLD中发光信号再生的初步研究

以前的工作中已经建议重复使用光激发发光剂量计 (OSLD)，方法是使用光源擦除剂量计的信号（光学漂白）并根据剂量历史重新表征剂量计的灵敏度。然而，根据漂白源的波长和剂量计的剂量历史，这可能是有问题的，因为存在深剂量陷阱和在 Al ₂ O ₃中观察到的光转移机制。在这项工作中，我们检查了 OSL 纳米点中信号的再生，具有先前的辐照历史，在它们从含有蓝色波长的光源中漂白之后。