Abstract
The external radiant efficiency of phosphors generally decreases under prolonged cathode-ray (CR) excitation. This so-called degradation effect is of great technological importance because it limits the lifetime of CR displays. The deterioration mostly increases with increasing excitation density. Thus, for applications at high density, such as projection television tubes, degradation is expected to be a major selection criterion for the phosphor.
© 1984 Optical Society of America
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