Influence of the preparation conditions of erbium-doped bismuth germanate glasses on its optical response

被引：9
作者：
Cabello, F. [1 ]
Sanchez-Cortes, S. [2 ]
Jimenez de Castro, M. [1 ]
机构：
[1] CSIC, Inst Opt, Laser Proc Grp, Serrano 121, E-28006 Madrid, Spain
[2] CSIC, IEM, Serrano 121, Madrid 28006, Spain
来源：
JOURNAL OF NON-CRYSTALLINE SOLIDS | 2016年 / 445卷
关键词：
Bismuth germanate glass; Erbium; Bi centers; Optical properties; Bismuth nanoparticles; Thermo-optical properties; NEAR-INFRARED LUMINESCENCE; MU-M EMISSION; ENERGY-TRANSFER; STRUCTURAL-PROPERTIES; UP-CONVERSION; SPECTROSCOPIC PROPERTIES; THERMAL-STABILITY; NIR LUMINESCENCE; BI; ALUMINUM;
D O I：
10.1016/j.jnoncrysol.2016.05.029
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：
The influence of the glass preparation conditions (melting temperature and crucible material) and of post-preparation heat treatments on the refractive index, optical absorption and near infrared luminescence of an Erbium doped Bi2O3-GeO2 glass has been studied. The optical absorption and emission are strongly dependent on these conditions and Bi to Er energy transfer is observed to occur: In some cases, a high absorption due to the formation of Bi nanoparticles is obtained. Consequently transmission-temperature hysteresis loops during heating-cooling cycles are observed due to the reversible melting and solidification of nanoparticles. Our results indicate that, with adequate composition and preparation conditions, bismuth germanate glasses can he very useful for a large variety-of optical devices, such as amplifiers and thermo-optical modulators and filters. (C) 2016 Elsevier B.V. All rights reserved.
引用
收藏
页码：110 / 115
页数：6
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