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Discrepancies between Pr3+ and Ho3+ de-sensitized Er3+:2.7 mu m emission
Zhang, Liyan; Xue, Tianfeng; jndxzly@hotmail.com
2016
发表期刊J. Lumines.
卷号178页码:22
摘要This paper studied the de-sensitization effect of Pr3+ and Ho3+ to Er3+:2.7 mu m emission. Results show that both Pr3+ and Ho3+ are effective de-sensitizers, while great differences exist between them because of their non-phonon and phonon assisted energy transfer (ET) mechanisms. Ho3+ depresses the 2.65 mu m emission while Pr3+ strengthens it greatly. ET coefficient indicates that Pr3+ performs ten times higher I-4(13/2) depletion ability than Ho3+. In Er/Ho glasses, about 1/10 energy back transfers to I-4(13/2) level, which partially counterweights the depopulation of I-4(13/2) level. The high absorption cross section of Ho3+ is the reason for the larger I-4(11/2)-> I-5(6) ET coefficient. Line strength and spontaneous radiation probability of I-4(11/2)-> I-4(13/2) transition enhance moderately in E, E/H and E/P order, proving that the de-sensitizers promote the 2.7 mu m transition positively. Long lifetime of Ho3+ :I-5(6)/I-5(7) brings many problems, such as energy back transfer and strengthened upconversion, which also implies that the interactions of the particles obstruct the effective I-4(11/2)-> I-4(13/2) transition correspondingly. (C) 2016 Elsevier B.V. All rights reserved.
文章类型Article
部门归属单元
DOI10.1016/j.jlumin.2016.05.029
资助者National Natural Science Foundation of China [61177083] ; National Natural Science Foundation of China [61177083] ; National Natural Science Foundation of China [61177083] ; National Natural Science Foundation of China [61177083]
收录类别SCI
资助者National Natural Science Foundation of China [61177083] ; National Natural Science Foundation of China [61177083] ; National Natural Science Foundation of China [61177083] ; National Natural Science Foundation of China [61177083]
WOS记录号WOS:000381643300004
引用统计
文献类型期刊论文
条目标识符http://ir.siom.ac.cn/handle/181231/28273
专题高功率激光单元技术研发中心
通讯作者jndxzly@hotmail.com
作者单位中国科学院上海光学精密机械研究所
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GB/T 7714
Zhang, Liyan,Xue, Tianfeng,jndxzly@hotmail.com. Discrepancies between Pr3+ and Ho3+ de-sensitized Er3+:2.7 mu m emission[J]. J. Lumines.,2016,178:22.
APA Zhang, Liyan,Xue, Tianfeng,&jndxzly@hotmail.com.(2016).Discrepancies between Pr3+ and Ho3+ de-sensitized Er3+:2.7 mu m emission.J. Lumines.,178,22.
MLA Zhang, Liyan,et al."Discrepancies between Pr3+ and Ho3+ de-sensitized Er3+:2.7 mu m emission".J. Lumines. 178(2016):22.
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