Growth, spectroscopic, and laser properties of Yb3+-doped Lu3Al5O12 garnet crystal

被引：103
作者：
Brenier, A
Guyot, Y
Canibano, H
Boulon, G
Ródenas, A
Jaque, D
Eganyan, A
Petrosyan, AG
机构：
[1] Univ Lyon 1, Lab Physicochim Mat Luminescents, CNRS, UMR 5620, F-69622 Villeurbanne, France
[2] Univ Autonoma Madrid, Grp Espectroscopia Laser, Dept Fis Mat, E-28049 Madrid, Spain
[3] Armenian Acad Sci, Inst Phys Res, Lab Crystal Growth Luminescent Mat, Ashtarak 378410, Armenia
来源：
JOURNAL OF THE OPTICAL SOCIETY OF AMERICA B-OPTICAL PHYSICS | 2006年 / 23卷 / 04期
关键词：
D O I：
10.1364/JOSAB.23.000676
中图分类号：
O43 [光学];
学科分类号：
070207 ; 0803 ;
摘要：
We have grown high-quality LuAG:Yb3+ crystals with 0.75, 3.8, 10, 12, 15, 20, and 50 at. % concentrations by the vertical Bridgman method. With low-temperature spectroscopy the Stark sublevel structure of the F-2(7/2) ground state and the F-2(5/2) excited state has been determined. With room-temperature spectroscopy, the emission cross section was found to be 3 x 10(-20) cm(2), being 1.5 times the YAG:Yb3+ emission cross section. The luminescence quantum efficiency was measured in samples with different Yb3+ concentrations. Its value was found to be 90% for 3.8 and 10 at. %, 84% for 20 at. %, and 70% for 50 at. % Yb3+. The laser-emission tunability under diode pumping was found to extend from 1045 up to 1095 nun in a 12 at. % sample with 3.15 min thickness. (c) 2006 Optical Society of America.
引用
收藏
页码：676 / 683
页数：8
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