photoluminescence detector

a radiation detector using a photoluminescent substance (for instance silver phosphate glass) which, on excitation by radiation of certain wavelengths (e.g., ultra-violet radiation for silver phosphate), emits a luminous radiation of a different wavelength, generally in the visible spectrum, the magnitude of which is a function of the energy stored...
Found on http://www.electropedia.org/iev/iev.nsf/display?openform&ievref=881-13-47
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