Influence of BaF2 and activator concentration on broadband near-infrared luminescence of Pr3+ ions in gallo-germanate glasses

被引：48
|
作者：
Pisarska, Joanna [1 ]
Kowal, Martyna [1 ]
Kochanowicz, Marcin [2 ]
Zmojda, Jacek [2 ]
Dorosz, Jan [2 ]
Dorosz, Dominik [2 ]
Pisarski, Wojciech A. [1 ]
机构：
[1] Silesian Univ, Inst Chem, Szkolna 9, PL-40007 Katowice, Poland
[2] Bialystok Tech Univ, Fac Elect Engn, Wiejska 45D St, PL-15351 Bialystok, Poland
来源：
OPTICS EXPRESS | 2016年 / 24卷 / 03期
关键词：
MU-M EMISSION; ENERGY-TRANSFER MECHANISM; SPECTROSCOPIC PROPERTIES; OPTICAL AMPLIFICATION; PHOSPHATE-GLASSES; NIR LUMINESCENCE; UP-CONVERSION; IR EMISSION; TELECOMMUNICATION; TRANSITION;
D O I：
10.1364/OE.24.002427
中图分类号：
O43 [光学];
学科分类号：
070207 ; 0803 ;
摘要：
Thermal stability and broadband NIR luminescence of Pr3+ doped gallo-germanate glasses with BaF2 have been studied. The thermal factors are larger for glass samples with low BaF2 content exhibiting good thermal stability against devitrification. Luminescence due to D-1(2) -> (1)G(4) transition of Pr3+ was measured under 450 nm excitation. The D-1(2) measured lifetimes depend critically on activator concentration, but remain nearly unchanged with BaF2 content. The emission linewidth, the emission cross-section, the figure of merit (FOM) and the sigma(cm) x FWHM product are relatively large, suggesting that Pr3+-doped gallo-germanate glasses with presence of BaF2 are promising as gain media for broadband near-infrared amplifiers. (C) 2016 Optical Society of America
引用
收藏
页码：2427 / 2435
页数：9
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