Abstract
Silver-activated metaphosphate glass samples show a dose-dependent radiophotoluminescence (RPL) after exposure to ionizing radiation. RPL is discriminated from stray light and parasitic luminescence due to the different decay times by use of uv-laser pulse excitation and time-resolved photon detection. A computer controlled single-photon counting system is set up for quantitative evaluation of the RPL signal. A linear relationship between RPL and absorbed dose is proven down to the sub-mGy range. The measuring technique allows glass dosimeters to be applied even at doses corresponding to the environmental radiation incidence per month.
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Schneckenburger, H., Regulla, D.F. & Unsöld, E. Time-resolved investigations of radiophotoluminescence in metaphosphate glass dosimeters. Appl. Phys. A 26, 23–26 (1981). https://doi.org/10.1007/BF01197673
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DOI: https://doi.org/10.1007/BF01197673