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Fluorescence of Highly Insulating Dielectrics Produced by X- and γ-Radiations

Abstract

IN the course of experiments designed to study photographically the secondary electron emission from various light-atom materials when they are irradiated with high-voltage X-rays, we have found that under certain radiation conditions some highly insulating dielectrics fluoresce when so irradiated, visible and possibly ultra-violet light being emitted. Polystyrene in the commercial form known as 'Distrene' shows the phenomenon quite markedly.

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WILSON, C. Fluorescence of Highly Insulating Dielectrics Produced by X- and γ-Radiations. Nature 161, 520–521 (1948). https://doi.org/10.1038/161520b0

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