Effect of the OH Groups on Spectroscopic Parameters of the Er3+-Doped Glasses

被引：0
|
作者：
Marlon Caetano
José C. S. Filho
Rodrigo F. Moraes
Acácio A. Andrade
Anielle C. A. Silva
Noelio O. Dantas
机构：
[1] Universidade Federal de Uberlândia,Instituto de Física
[2] Universidade Federal de Alagoas,Laboratório de Novos Materiais Nanoestruturados e Fucionais, Instituto de Física
来源：
Brazilian Journal of Physics | 2020年 / 50卷
关键词：
Phosphate glasses; Silicate glasses; Non-crystalline materials; Optical properties; Er; ions;
D O I：
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中图分类号：
学科分类号：
摘要：
In this work, the PAN, PANB, PANK, and SNAB glass matrices with nominal compositions 60P205.10Al2O3.30Na2O, 60P205.10Al2O3.15Na2O.15BaO, 40P2O5.20Al2O3.35Na2O.5K2O, and 40SiO2.30Na2CO3.1Al2O3.29B2O3 (mol%), respectively, doped with Er3+ ions, were studied. To determine the Er3+ spectroscopic properties in these matrices, the optical absorption, luminescence, and experimental lifetime were measured, and based on the obtained data, the Judd-Ofelt theory was applied. The experimental lifetime and quantum efficiency of the 4I13/2 → 4I15/2 transition were analyzed as a function of the Er3+ concentration. Among the studied samples, the phosphate glass PANK presents the higher lifetime (~ 8.8 ms) and quantum efficiency (~ 88%), due to the small hydroxyl content.
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页码：410 / 418
页数：8
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