The influence of Zn2+ ion on the 1.5 μm laser properties of LiNbO3 crystal heavily doped with Er3+ ion

被引：6
|
作者：
Qian, Yannan [1 ]
Wang, Rui [1 ]
Xu, Chao [1 ]
Xu, Wei [1 ]
Wu, Xiaohong [1 ]
Xing, Lili [1 ]
Xu, Yanling [1 ]
机构：
[1] Harbin Inst Technol, Dept Chem, Harbin 150001, Peoples R China
来源：
OPTICS AND LASER TECHNOLOGY | 2012年 / 44卷 / 07期
基金：
中国国家自然科学基金; 黑龙江省自然科学基金;
关键词：
Judd-Ofelt; Fuchtbauer-Ladenburg; Gain cross section; SPECTROSCOPIC PROPERTIES; OPTICAL-PROPERTIES; NONSTOICHIOMETRIC DEFECTS; NONRADIATIVE DECAY; LITHIUM-NIOBATE; DY3+ IONS; GLASSES; ABSORPTION; TRANSITION;
D O I：
10.1016/j.optlastec.2012.02.017
中图分类号：
O43 [光学];
学科分类号：
070207 ; 0803 ;
摘要：
The spectral characteristics of 1.54 mu m emission in a series of Zn/Er:LiNbO3 crystals with heavy Er content and variable Zn content were reported. The inductively coupled plasma mass spectrometry (ICP-MS) was used to determine the concentration of Er3+ ion in the crystal. The absorption and emission spectra of Zn/Er:LiNbO3 crystals were measured. Based on Judd-Ofelt theory, the spectral parameters such as intensity parameters ohm(t) (t=2, 4 and 6), transition strengths, radiative transition probabilities, radiative lifetime and fluorescence branching ratio have been obtained in Zn/Er:LiNbO3 system. The emission cross section corresponding to I-4(13/2)-> I-4(15/2) transition of Er3+ ion was obtained according to Fuchtbauer-Ladenburg theory. The gain cross section of Er:LiNbO3 crystal codoped with 6 mol% Zn2+ ions were also discussed in this work. (c) 2012 Elsevier Ltd. All rights reserved.
引用
收藏
页码：2297 / 2301
页数：5
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