Abstract

Abstract Using a two-dimensional thermo luminescent (TL) system consisting of MCP-N (LiF:Mg,Cu,P) TL detectors and self-developed TLD reader with a CCD camera (TL-CCD reader) a method of distinguishing between static and dynamic radiation exposure to X-rays was developed. MCP-N TL detectors installed in the RADOS dosimetry badge were covered with non-uniform Pb and Cu filters. Quantitative identification of the static exposure cases was performed by analyzing the distribution of pixel intensity in the images obtained in the TL-CCD reader ( Kopec et al., 2010 ). We demonstrate the possibility of automatically distinguishing cases of static exposure for doses as low as 5 mSv, up to mean X-ray energies of 250 keV and for exposure angles up to 60°.

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