Abstract
Various LiF thermoluminescence (TL) dosemeters have been investigated for selective assessment of low and high LET radiation for space dosimetry purposes. The aim of these investigations was to compare the selectivity of the glow peaks on the Harshaw TLD-100, on the Polish LiF:Mg,Ti (types MTS-N) and on the Austrian LiF-F dosemeters using alpha, gamma and thermalised neutron radiations. Comparing TL responses using glow curve analysis on the peaks 4-5 (180-210(C) and on the high temperature peaks 6-7 (240-270(C) generated by high LET radiation, it was found that separation of radiations with different linear energy transfer (LET) was the most promising in the case of Polish LiF:Mg,Ti (type MTS-N) dosemeters. Result of combined low and high LET exposures and an unexpected deviation in additivity of irradiation effects are also discussed.
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