Upconversion fluorescence spectroscopy of Er3+/Yb3+-doped heavy metal Bi2O3-Na2O-Nb2O5-GeO2 glass

被引：142

作者：

Oliveira, AS

de Araujo, MT

Gouveia-Neto, AS ^{[1
]}

Sombra, ASB

Neto, JAM

Aranha, N

机构：

[1] Univ Fed Alagoas, Dept Fis, BR-57072970 Maceio, AL, Brazil

[2] Univ Fed Ceara, Dept Fis, BR-64450 Fortaleza, Ceara, Brazil

[3] Univ Fed Ceara, Dept Mech Engn, BR-64450 Fortaleza, Ceara, Brazil

[4] UNESP, Inst Quim, Dept Quim Inorgan, Araraquara, SP, Brazil

来源：

JOURNAL OF APPLIED PHYSICS | 1998年 / 83卷 / 01期

关键词：

D O I：

10.1063/1.366726

中图分类号：

O59 [应用物理学];

学科分类号：

摘要：

Upconversion fluorescence emission of Er3+/Yb3+-doped Bi2O3-Na2O-Nb2O5-GeO2 heavy metal glass samples excited at 1.06 mu m is experimentally investigated. The results reveal the existence of intense emission bands centered around 520, 545, and 655 nm. The germano-niobate based host glass presents high transparency in the region of 400-2700 nm, the capability of incorporating high dopant concentrations, high melting temperature, and large resistance to atmospheric moisture. The observed intensity of the green fluorescence emission, suggested that the niobium based host glass material plays an important role in the efficiency of the upconversion process. Emission lines centered at 425, 483, 503, 608, and 628 nm were also observed. (C) 1997 American Institute of Physics.

引用

页码：604 / 606

页数：3

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