Ceramic Yb:YAG microchip laser

被引：2
|
作者：
Ostby, Eric P. [1 ]
Ackerman, Richard A. [1 ]
Huie, Jean C. [2 ]
Gentilman, Richard L. [2 ]
机构：
[1] Raytheon Co Space & Airborne Syst, El Segundo, CA 90245 USA
[2] Raytheon Co Integrated Def Syst, Andover, MA 01810 USA
来源：
SOLID STATE LASERS XV: TECHNOLOGY AND DEVICES | 2006年 / 6100卷
关键词：
ceramic; microchip; laser; Q-switch; Yb : YAG;
D O I：
10.1117/12.660179
中图分类号：
O43 [光学];
学科分类号：
070207 ; 0803 ;
摘要：
An efficient microchip laser utilizing domestically fabricated ceramic Yb:YAG is presented. In continuous-wave (cw) and Q-switched operation, the laser maintains linear polarization with 22 dB extinction and oscillates in the fundamental TEM00 mode. In cw mode, the ceramic laser has an output power of 2.25 W and a slope efficiency of 66%. When passively Q-switched at 11.4 kHz repetition rate using Cr:YAG, the 1.9 ns pulse has an average power of 0.72 W and a slope efficiency of 46%. To our knowledge, this is currently the highest reported power from a ceramic Yb:YAG laser. The laser performance of the 5-at.% ceramic is compared to a 10-at.% single crystal, and we discuss how the scattering loss and storage efficiency of the ceramic medium affect its laser characteristics.
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页数：10
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