Dependence of the photobleaching on laser radiation wavelength in bismuth-doped germanosilicate fibers

被引：28
|
作者：
Firstov, Sergei V. [1 ]
Alyshev, Sergey V. [1 ]
Firstova, Elena G. [1 ]
Melkumov, Mikhail A. [1 ]
Khegay, Alexander M. [1 ]
Khopin, Vladimir F. [2 ]
Guryanov, Alexey N. [2 ]
Dianov, Evgeny M. [1 ]
机构：
[1] Russian Acad Sci, Fiber Opt Res Ctr, 38 Vavilov Str, Moscow 119333, Russia
[2] Russian Acad Sci, Inst Chem High Purity Subst, 49 Tropinin Str, Nizhnii Novgorod 603600, Russia
来源：
JOURNAL OF LUMINESCENCE | 2017年 / 182卷
基金：
俄罗斯基础研究基金会;
关键词：
Bismuth-related active center; Photobleaching; Luminescence; Fiber; OPTICAL-FIBERS; SPECTROSCOPY; CENTERS; GLASS;
D O I：
10.1016/j.jlumin.2016.10.027
中图分类号：
O43 [光学];
学科分类号：
070207 ; 0803 ;
摘要：
Photobleaching of IR luminescence in bismuth-doped fibers was studied using laser radiation with different wavelengths: 407, 532, 639, 975, 1460 nm. For each wavelength the bleaching time was determined by fitting a stretched-exponential function to the data measured. It was revealed that the bleaching time increases with the decrease of the photon energy. The measured dependence of the bleaching rate on the launched power at 532 nm is also presented. The effect of temperature on the bleaching rate was also investigated. The role of the oxygen-deficient centers in the bleaching process is discussed. (C) 2016 Elsevier B.V. All rights reserved.
引用
收藏
页码：87 / 90
页数：4
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