Kinetics of Fluorescence Decay in Er3 + :YAG under 408.6 nm Excitation
来源期刊：JOURNAL OF RARE EARTHS2006年第5期
论文作者：Dai Zhenwen Shi Tao Yang Haigui
Key words：Er3 +: YAG; luminescence kinetics; lifetime; rare earths;
Abstract: The violet and green fluorescence spectra and the kinetics of fluorescence decay in Er3 + :YAG crystal under408.6 nm excitation were investigated by the time-resolved laser-induced fluorescence technique. The influence of multiphonon and energy transfer on the fluorescence decay of the 4S3/2 multiplet were theoretically analyzed. A good agreement of the measured and the simulated decay curves was achieved. The continuous profile variety of the decay curves in the region from 548 to 561.2 nm is found and it originates from the fluorescence overlap of 2G9/2 and 4S3/2 and the intensity ratio dominates the profile.
Dai Zhenwen1，Shi Tao1，Yang Haigui1
(1.Key Lab of Coherent Light, Atomic and Molecular Spectroscopy, Ministry of Education, Department of Physics,Jilin University, Changchun 130023, China)
Abstract:The violet and green fluorescence spectra and the kinetics of fluorescence decay in Er3 + :YAG crystal under408.6 nm excitation were investigated by the time-resolved laser-induced fluorescence technique. The influence of multiphonon and energy transfer on the fluorescence decay of the 4S3/2 multiplet were theoretically analyzed. A good agreement of the measured and the simulated decay curves was achieved. The continuous profile variety of the decay curves in the region from 548 to 561.2 nm is found and it originates from the fluorescence overlap of 2G9/2 and 4S3/2 and the intensity ratio dominates the profile.
Key words:Er3 +: YAG; luminescence kinetics; lifetime; rare earths;
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