Intense upconversion fluorescence in Tm3+/Yb3+ codoped alumina lead borate glasses

被引：2
|
作者：
Goud, K. Krishna Murthy [1 ]
Reddy, M. ChandraShekhar [2 ]
Rao, B. Appa [3 ]
机构：
[1] Osmania Univ, Univ Coll Engn A, Dept Phys, Hyderabad, Telangana, India
[2] CMR Coll Engn, Dept Phys, Hyderabad, Telangana, India
[3] Osmania Univ, Univ Coll Sci, Dept Phys, Hyderabad, Telangana, India
来源：
INTERNATIONAL CONFERENCE ON ADVANCES IN MATERIALS AND MANUFACTURING APPLICATIONS (ICONAMMA-2016) | 2016年 / 149卷
关键词：
LUMINESCENCE; TELLURITE; TM3+; SENSITIZATION; ENHANCEMENT;
D O I：
10.1088/1757-899X/149/1/012184
中图分类号：
T [工业技术];
学科分类号：
08 ;
摘要：
The Tm3+/Yb3+ codoped alumina lead borate glasses were prepared by the conventional melt quenching technique. Optical absorption and FTIR spectra were recorded. The upconversion fluorescence spectra exhibited weak blue (480 nm) and intense red (660 nm) emissions due to (1)G(4) -> H-3(6) and (1)G(4) -> H-3(4) transitions, respectively. The results concluded that both emissions are due to three photon absorption process. It has been observed that in the upconversion efficiency increases with the increase in the concentration of Yb3+ ions. The strong red upconversion fluorescence indicate that Tm3+/Yb3+ codoped alumina lead borate glasses can be used as potential host material for upconversion lasers.
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页数：9
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