Radiofrequency Field Quenching of Ultraviolet Excited Phosphors

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Abstract
The quenching action of radiofrequency field on ultraviolet excited phosphors has been investigated for a number of sulfide phosphors. The phosphor layer is sandwiched between two parallel plane electrodes. The radiofrequency potential is applied to the electrodes. Data are presented showing the dependence of the quenching action on field strength, field frequency, and ultraviolet excitation. The quenching response to an amplitude modulated rf potential, and the fatigue effects resulting from prolonged exposure to the rf field have also been investigated.