Diode pumped highly efficient Yb:Lu3Al5O12 ceramic laser

被引：35
作者：
Xu, C. W. [2 ]
Luo, D. W. [2 ]
Zhang, J. [1 ]
Yang, H. [2 ]
Qin, X. P. [2 ]
Tan, W. D. [2 ]
Tang, D. Y. [2 ]
机构：
[1] Nanyang Technol Univ, Temasek Labs, Singapore 639798, Singapore
[2] Nanyang Technol Univ, Sch Elect & Elect Engn, Singapore 639798, Singapore
来源：
LASER PHYSICS LETTERS | 2012年 / 9卷 / 01期
基金：
中国国家自然科学基金; 新加坡国家研究基金会;
关键词：
diode-pumped; Yb:LuAG; laser ceramics; THIN-DISK LASERS; YB-YAG; CRYSTAL; YB/LUAG; GROWTH; HOST;
D O I：
10.1002/lapl.201110092
中图分类号：
O43 [光学];
学科分类号：
070207 ; 0803 ;
摘要：
A diode pumped ytterbium-doped lutetium aluminum garnet (Yb:LuAG) ceramic laser is reported for the first time to our knowledge. Using the solid state reactive vacuum sintering technique we have successfully fabricated high optical quality Yb:LuAG ceramics. We show that even with an uncoated Yb:LuAG ceramic sample a maximum output power of 7 W could be achieved under 13 W absorbed pump power, and the laser has a slope efficiency as high as 63%. Considering that Yb:LuAG has higher thermal conductivity than Yb:YAG under heavy doping situation, Yb:LuAG ceramic could be an attractive laser gain medium for the high power solid state lasers applications. (C) 2012 by Astro Ltd., Published exclusively by WILEY-VCH Verlag GmbH & Co. KGaA)
引用
收藏
页码：30 / 34
页数：5
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