Up-converted luminescence by two- and three-photon excitation in LaF3:Nd3+ crystals

被引：8
作者：
TerMikirtychev, VV
Tsuboi, T
机构：
[1] Faculty of Engineering, Kyoto Sangyo University, Kamigamo, Kita-ku
[2] General Physics Institute, Russian Academy of Sciences
来源：
PHYSICAL REVIEW B | 1995年 / 52卷 / 21期
关键词：
D O I：
10.1103/PhysRevB.52.15027
中图分类号：
T [工业技术];
学科分类号：
08 ;
摘要：
Three- and two-photon excitation of high-lying energy levels of Nd3+ was realized in LaF3:Nd3+ crystals using fundamental radiation of a tunable Ti3+-sapphire laser. Strong UV and green-red luminescence lines were obtained by the three- and two-photon excitation process, respectively. The UV luminescence due to the three-photon excitation was observed to be delayed by about 25 ns from the visible luminescence due to the two-photon excitation. A mechanism of the excitation and luminescence process is proposed.
引用
收藏
页码：15027 / 15030
页数：4
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