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Decay of Luminescence and Light Absorption in Phosphorescent Materials
Phys. Rev. 44, 618 – Published 15 October, 1933
DOI: https://doi.org/10.1103/PhysRev.44.618
Abstract
Effect of continuous irradiation with , and -rays on the light absorption coefficient of certain phosphorescent materials. With continuous irradiation the light absorption coefficient of each sample reaches a characteristic saturation value which is a function of the intensity of the radiation and the temperature at which the irradiation takes place, but is independent of the variations in the light emission of the material and also of the total amount of energy absorbed by it. The experimental curves of the rise and decay of phosphorescence and of the changes in light absorption coefficient of these materials cannot be explained by the generally accepted theories of these phenomena.
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