Chronospectroscopy of Exchange-CoupledCr3+-Ion Pairs in Ruby
作者： H. Engstrom , L. F. Mollenauer
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摘要: A rather simple method of determining the lifetimes excited states exchange-coupled ion pairs in ruby is described. The technique utilizes a chopped pump light and phasesensitive detection. It has permitted great increase resolution optical transitions, particular, it allows for virtual elimination vibronic sidebands $R$ lines, order that true pair spectrum may stand out clearly. Furthermore, transitions originating from different levels be definitely distinguished, thus aiding identification particular with given type. chronospectroscopic potential value studies energy-transfer mechanisms between single ions pairs. also provided evidence fourth-neighbor absorption band at 6050 \AA{}.
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