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- W2149331812 abstract "Many luminescent substances show a fatigue effect or loss of efficiency with continued exposure to ultraviolet light. Measurements made on several inorganic phosphors, organic substances such as anthracene and on fluorescent canary glass, showed that the losses increased with time and intensity of irradiation. The phenomenon can be demonstrated with liquids as well as with solid crystalline material. Equilibrium conditions were attained in about ten minutes. Both short ultraviolet radiations at 2537A and longer radiations at 3650A were used. The recovery from fatigue was demonstrated with a number of substances. Several samples of luminescent sulfides were exceptions in that they did not show the fatigue phenomenon. Decreases in light output can also be demonstrated with cathode-ray excitation." @default.
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- W2149331812 date "1942-06-01" @default.
- W2149331812 modified "2023-09-23" @default.
- W2149331812 title "The Fatigue Effect in Luminescent Materials" @default.
- W2149331812 doi "https://doi.org/10.1364/josa.32.000317" @default.
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