Preparation and spectroscopic properties of nanostructured glass-ceramics containing Yb3+, Er3+ ions and Co2+-doped spinel nanocrystals

被引：14
|
作者：
Chen, Li [1 ,2 ]
Yu, Chunlei [1 ]
Hu, Lili [1 ]
Chen, Wei [1 ]
机构：
[1] Chinese Acad Sci, Shanghai Inst Opt & Fine Mech, High Power Laser Components R&D Ctr, Shanghai 201800, Peoples R China
[2] Chinese Acad Sci, Grad Sch, Beijing 100039, Peoples R China
来源：
SOLID STATE SCIENCES | 2012年 / 14卷 / 02期
基金：
中国国家自然科学基金;
关键词：
Nanostructured glass-ceramics; Erbium; Tetrahedral Co2+; Spectroscopic properties; Q-SWITCHED LASER; OPTICAL-PROPERTIES; CRYSTAL; GROWTH;
D O I：
10.1016/j.solidstatesciences.2011.11.034
中图分类号：
O61 [无机化学];
学科分类号：
070301 ; 081704 ;
摘要：
Transparent glass-ceramics with Yb3+, Er3+ ions in glass matrix and tetrahedral Co2+-doped MgAl2O4 nanocrystals were synthesized. XRD patterns and FESEM micrograph of the glass-ceramics showed that MgAl2O4 nanocrystals (sizes of 10-20 nm) are uniformly dispersed in SiO2 glass matrix. Absorption and emission spectra of the glass-ceramics indicated that Yb3+, Er3+ remain in SiO2 glass matrix, while Co2+ occupied tetrahedral sites in MgAl2O4 nanocrystals, and can function as saturable absorber for Er3+. Transparent Co2+, Vb(3+), Er3+ co-doped glass-ceramics possesses the spectral requirements and should be a potential laser material used for self-Q-switched microchip laser operating at 1.5-1.6 mu m. (C) 2011 Elsevier Masson SAS. All rights reserved.
引用
收藏
页码：287 / 290
页数：4
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