Spectroscopic properties and energy transfer processes in Er3+/Nd3+ co-doped tellurite glass for 2.7-μm laser materials

被引：27
作者：
Guan, Shan [1 ,2 ]
Tian, Ying [1 ,2 ]
Guo, Yanyan [1 ,2 ]
Hu, Lili [1 ]
Zhang, Junjie [1 ]
机构：
[1] Chinese Acad Sci, Shanghai Inst Opt & Fine Mech, Key Lab Mat High Power Laser, Shanghai 201800, Peoples R China
[2] Chinese Acad Sci, Grad Univ, Beijing 100049, Peoples R China
来源：
CHINESE OPTICS LETTERS | 2012年 / 10卷 / 07期
基金：
中国国家自然科学基金;
关键词：
MU-M EMISSION; FIBER LASER; YAG LASER; ABSORPTION; RADIATION; ABLATION; ER3+; OH;
D O I：
10.3788/COL201210.071603
中图分类号：
O43 [光学];
学科分类号：
070207 ; 0803 ;
摘要：
Intense 2.7-mu m emissions are obtained from Er3+/Nd3+ co-doped tellurite glass samples under the 808-nm laser diode excitation. According to the absorption spectra, Judd-Ofelt parameters and radiative transition probabilities are calculated and analyzed using the Judd-Ofelt theory. The spectroscopic properties and energy transfer mechanism between Er3+ and Nd3+ are analyzed. The effects of OH- content on the spectroscopic properties of Er3+/Nd3+ co-doped samples are discussed. The obtained results indicate that Er3+/Nd3+ co-doped tellurite glass can significantly develop optical properties of 2.7-mu m emission, if OH- groups can be effectively eliminated.
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页数：5
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