Experimental and theoretical studies on NIR luminescence of titanate-germanate glasses doped with Pr3+ and Tm3+ ions

被引：7
作者：
Kuwik, Marta [1 ]
Kowalska, Karolina [1 ]
Pisarska, Joanna [1 ]
Pisarski, Wojciech A. A. [1 ]
机构：
[1] Univ Siles, Inst Chem, Szkolna 9, PL-40007 Katowice, Poland
来源：
JOURNAL OF THE AMERICAN CERAMIC SOCIETY | 2023年 / 106卷 / 12期
关键词：
Judd-Ofelt parameters; lasers; luminescence; rare earths; NEAR-INFRARED LUMINESCENCE; MU-M EMISSION; ENERGY-TRANSFER; SPECTROSCOPIC PROPERTIES; TELLUROBORATE GLASSES; OPTICAL-ABSORPTION; PHOSPHATE-GLASSES; LASER; ER3+; NANOPARTICLES;
D O I：
10.1111/jace.19378
中图分类号：
TQ174 [陶瓷工业]; TB3 [工程材料学];
学科分类号：
0805 ; 080502 ;
摘要：
Near-infrared (NIR) luminescence of Pr3+ and Tm3+ ions in titanate-germanate glasses has been studied for laser and fiber amplifier applications. The effect of the molar ratio GeO2:TiO2 (from 5:1 to 1:5) on spectroscopic properties of glass systems was studied by absorption, luminescence measurements, and theoretical calculations using the Judd-Ofelt theory. It was found that independent of the TiO2 concentration, intense NIR emissions at 1.5 and 1.8 & mu;m were observed for glasses doped with Pr3+ and Tm3+ ions, respectively. Moreover, several spectroscopic and NIR laser parameters for Pr3+ and Tm3+ ions, such as emission bandwidth, stimulated emission cross-section, quantum efficiency, gain bandwidth, and figure of merit, were determined. The results were discussed in detail and compared to the different laser glasses. Systematic investigations indicate that Pr3+-doped system with GeO2:TiO2 = 2:1 and Tm3+-doped glass with GeO2:TiO2 = 1:2 present profit laser parameters and could be successfully applied to NIR lasers and broadband optical amplifiers.
引用
收藏
页码：7460 / 7472
页数：13
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