High Quantum Efficiency of Nd3+ Ions in a Phosphate Glass System using the Judd-Ofelt Theory

被引：29

作者：

Dantas, Noelio Oliveira ^{[1
]}

Serqueira, Elias Oliveira ^{[1
]}

Almeida Silva, Anielle Christine ^{[1
]}

Andrade, Acacio Aparecido ^{[2
]}

Lourenco, Sidney Alves ^{[3
]}

机构：

[1] Univ Fed Uberlandia, Inst Fis, LNMIS, BR-38400902 Uberlandia, MG, Brazil

[2] Univ Fed Uberlandia, Inst Fis, GPOTM, BR-38400902 Uberlandia, MG, Brazil

[3] Univ Tecnol Fed Parana, BR-86036370 Londrina, PR, Brazil

来源：

BRAZILIAN JOURNAL OF PHYSICS | 2013年 / 43卷 / 04期

关键词：

High quantum efficiency; Nd3+ ions; Phosphate glass system; Judd-Ofelt Theory; RARE-EARTH IONS; RADIATIVE TRANSITION-PROBABILITIES; EMISSION CROSS-SECTIONS; SPECTROSCOPIC PROPERTIES; OPTICAL-PROPERTIES; BORATE GLASSES; ENERGY-TRANSFER; FLUORESCENCE; ABSORPTION; PARAMETERS;

D O I：

10.1007/s13538-013-0145-y

中图分类号：

O4 [物理学];

学科分类号：

0702 ;

摘要：

The optical properties of trivalent neodymium embedded in a P2O5-Al2O3-Na2O-K2O phosphate glass system, synthesized by the fusion method, are studied. Absorption, luminescence, lifetime, and Raman spectroscopy measurements were performed and the Judd-Ofelt theory was applied to determine optical parameters such as the quantum efficiency and the stimulated emission cross section of the Nd3+-doped glass system. This structure has high quantum efficiency at low Nd3+ concentrations, comparable to the efficiency of a commercial YAG:Nd3+ crystal. We discuss the mechanisms responsible for the high quantum efficiency observed in the proposed phosphate glass system.

引用

页码：230 / 238

页数：9

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