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Seven-photon ultraviolet upconversion emission of Er3+induced by 1,540-nm laser excitation

✍ Scribed by Zheng, J.; Wang, X. F.; He, W. Y.; Bu, Y. Y.; Yan, X. H.

Book ID
121624712
Publisher
Springer
Year
2013
Tongue
English
Weight
623 KB
Volume
115
Category
Article
ISSN
0721-7269

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Ultraviolet upconversion emissions around 314 nm from 6 P J states of Gd 3+ ions have been observed in Y 1.98 -x Gd x Ho 0.02 O 3 (x = 0.02, 0.10, 0.20, and 0.30) oxide ceramics under the excitation of a continuous-wave 532nm laser. We found that the energy transfer process from Ho 3+ to Gd 3+ plays