The effect of pumping power on fluorescence behavior of LiNdP4O12 nanocrystals

被引：32

作者：

Strek, W. ^{[1
]}

Marciniak, L. ^{[1
]}

Bednarkiewicz, A. ^{[1
]}

Lukowiak, A. ^{[1
]}

Hreniak, D. ^{[1
]}

Wiglusz, R. ^{[1
]}

机构：

[1] Polish Acad Sci, Inst Low Temp & Struct Res, Wroclaw, Poland

来源：

OPTICAL MATERIALS | 2011年 / 33卷 / 07期

关键词：

Stoichiometric fully concentrated laser materials; Neodymium ions; Up-conversion; UP-CONVERSION LUMINESCENCE; GEL THIN-FILMS; LASER; GLASS; VIOLET; ND3+; CRYSTALS; YELLOW; EMISSION; DYNAMICS;

D O I：

10.1016/j.optmat.2010.12.006

中图分类号：

T [工业技术];

学科分类号：

08 ;

摘要：

The impact of excitation intensity on the Stokes and anti-Stokes luminescent properties of Nd3+ ions in stoichiometric LiNdP4O12 nanocrystalline powders was investigated. The Stokes fluorescence of the spectra relative intensities were strongly affected by excitation power at double 808 and 830 nm. The fluorescence decay became nonexponential and shortened with the pumping power increase. The efficient up-conversion under strong 808 nm excitation was observed in the visible range and four anti-Stokes bands were assigned. The up-conversion intensity was raising with a remarkably long time constant equal to around 1 s, which decreased with the pumping power increase. (C) 2011 Elsevier B.V. All rights reserved.

引用

页码：1097 / 1101

页数：5

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