article·1971-01-01Open access

The Effect of Exciting Wavelength on Optimum Activator Concentration

Lyuji Ozawa, H. Forest, Philip M. Jaffe, G. Ban

Abstract

The concentration dependence curves of several , , and activated phosphors for different excitations have been studied. The optimum activator concentration was found to be a function of the number of excited activator ions as well as the exciting wavelength. For exciting radiation having a high absorption coefficient, the optimum activator concentration of a given phosphor shifted to low concentration. The concentration dependence curves of and phosphors under cathode‐ray excitation are almost identical to the curves obtained with host photoexcitation.
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Research context

OpenAlex topics: Radiation Detection and Scintillator Technologies · Luminescence Properties of Advanced Materials · Photorefractive and Nonlinear Optics

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