Investigation of continuous-wave and Q-switched microchip laser characteristics of Yb:YAG ceramics and crystals

被引：15
作者：
Dong, Jun [1 ,2 ]
Xu, Guozhang [1 ]
Ma, Jian [1 ]
Cao, Mengjun [1 ]
Cheng, Ying [1 ]
Ueda, Ken-ichi [2 ]
Yagi, Hideki [3 ]
Kaminskii, Alexander A. [4 ]
机构：
[1] Xiamen Univ, Dept Elect Engn, Xiamen 361005, Peoples R China
[2] Univ Electrocommun, Inst Laser Sci, Chofu, Tokyo 1828585, Japan
[3] Konoshima Chem Co Ltd, Takuma, Kagawa 7691103, Japan
[4] Russian Acad Sci, Inst Crystallog, Moscow 119333, Russia
来源：
OPTICAL MATERIALS | 2012年 / 34卷 / 06期
关键词：
Yb:YAG; Ceramics; Single-crystal; Passively Q-switched; Polarization states; EMISSION CROSS-SECTION; SOLID-STATE LASER; YB; TEMPERATURE; LIFETIME; ND;
D O I：
10.1016/j.optmat.2011.05.005
中图分类号：
T [工业技术];
学科分类号：
08 ;
摘要：
Continuous-wave and passively Q-switched microchip laser performance of Yb:YAG ceramics and single-crystals was investigated. Highly efficient continuous-wave Yb:YAG laser performance was observed at 1030 nm and 1049 nm for both Yb:YAG ceramics and crystals with different transmissions of output couplers. The laser performance of Yb:YAG ceramic is comparable to that of Yb:YAG single crystal. Meanwhile, the laser performance of laser-diode pumped Yb:YAG/Cr4+:YAG all-ceramics- and all-crystals-combination passively Q-switched microchip lasers were investigated. Sub-nanosecond laser pulses with peak power over 150 kW were obtained with different Yb:YAG/Cr4+:YAG combinations. Linearly polarized laser was observed in Yb:YAG/Cr4+:YAG all-crystals combination and circular polarized laser was obtained in Yb:YAG/Cr4+:YAG all-ceramics combination. The best laser performance was obtained with Yb:YAG/Cr4+:YAG all-crystals combination. (C) 2011 Elsevier B.V. All rights reserved.
引用
收藏
页码：959 / 964
页数：6
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