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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