Red-to-green up-conversion in Er-doped SiO2 and SiO2-TiO2 sol-gel silicate glasses

被引：14
|
作者：
Boye, DM
Silversmith, AJ
Nolen, J
Rumney, L
Shaye, D
Smith, BC
Brewer, KS
机构：
[1] Davidson Coll, Dept Phys, Davidson, NC 28036 USA
[2] Hamilton Coll, Clinton, NY 13323 USA
来源：
JOURNAL OF LUMINESCENCE | 2001年 / 94卷
关键词：
erbium; sol-gel; glass; up-conversion; Er3+;
D O I：
10.1016/S0022-2313(01)00301-5
中图分类号：
O43 [光学];
学科分类号：
070207 ; 0803 ;
摘要：
Monolithic Er-doped SiO2-TiO2 binary glasses of high optical quality were used in an investigation of the effects of different annealing conditions and titanium content on fluorescence yields and decay times of the S-4(3/2) level of Er3+. In addition, the characteristics of green upconverted fluorescence from the S-4(3/2) level via excitation with red laser light (655 nm) were studied. Energy transfer up-conversion involving two ions in the I-4(11 2) state was determined to be the dominant up-conversion mechanism. The glasses with TiO2 showed enhanced up-conversion and required lower annealing temperatures for the up-conversion to be observed when compared to SiO2 glasses doped with Al. (C) 2001 Elsevier Science BN. All rights reserved.
引用
收藏
页码：279 / 282
页数：4
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