| Article ID | Journal | Published Year | Pages | File Type |
|---|---|---|---|---|
| 5403856 | Journal of Luminescence | 2007 | 4 Pages |
Abstract
Optical absorption spectra and site-selective fluorescence laser spectroscopy of Pr3+ in lead tungstate crystal have been investigated at temperatures from 10 to 300Â K. The up-conversion emission from 3P1 and 3P0 levels following excitation of the 1D2 state has been observed for the first time in PbWO4 crystal at different temperature. The main up-conversion emission mechanism in this Pr3+-doped PbWO4 has been discussed. It is found that the up-conversion fluorescence intensity has a quadratic dependence on the laser input power. The temporal behavior of the up-converted emission indicates that an energy transfer up-conversion is the dominant mechanism in this crystal.
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Physical Sciences and Engineering
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Physical and Theoretical Chemistry
Authors
Yanlin Huang, Kyoung Hyuk Jang, Kiwan Jang, Hyo Jin Seo,