Upconversion properties of Er3+ doped lead silicate glasses

被引：81

作者：

Capobianco, JA ^{[1
]}

Prevost, G ^{[1
]}

Proulx, PP ^{[1
]}

Kabro, P ^{[1
]}

Bettinelli, M ^{[1
]}

机构：

[1] UNIV VERONA,FAC SCI,SEZ CHIM,IST POLICATTEDRA,MM FF NN,I-37134 VERONA,ITALY

来源：

OPTICAL MATERIALS | 1996年 / 6卷 / 03期

关键词：

D O I：

10.1016/0925-3467(96)00031-6

中图分类号：

T [工业技术];

学科分类号：

08 ;

摘要：

We report the spectroscopic behaviour of the Er3+ ion in two lead silicate glasses containing different concentrations of PbO. Evidence is given for blue and green upconversion fluorescence in the two Er3+ doped lead silicate glasses with the use of 650 nm, 800 nm and 1.5 mu m excitation. Analysis of the results shows that upconversion occurs via the sequential absorption of photons from the metastable I-4(13/2) state. Furthermore, we show that upconversion is facilitated due to the low radiative transition probabilities and to the inefficient multiphonon relaxation.

引用

页码：175 / 184

页数：10

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