A high-power high-stability Q-switched green laser with intracavity frequency doubling using a diode-pumped composite ceramic Nd:YAG laser

被引：6
|
作者：
王与烨
徐德刚
刘长明
王卫鹏
姚建铨
机构：
[1] Institute of Laser and Optoelectronics, College of Precision Instrument and Optoelectronics Engineering, Tianjin University
[2] Key Laboratory of Optoelectronics Information Science and Technology, Tianjin University, Ministry of Education
来源：
Chinese Physics B | 2012年 / 21卷 / 09期
基金：
中国国家自然科学基金; 国家高技术研究发展计划(863计划);
关键词：
high-average-power green laser; high stability; composite ceramic Nd:YAG rod;
D O I：
暂无
中图分类号：
TN248 [激光器];
学科分类号：
摘要：
We successfully obtain a high-average-power high-stability Q-switched green laser based on diode-side-pumped composite ceramic Nd:YAG in a straight plano-concave cavity. The temperature distribution in composite ceramic Nd:YAG crystal is numerically analyzed and compared with that of conventional Nd:YAG crystal. By using a composite ceramic Nd:YAG rod and a type-II high gray track resistance KTP (HGTR-KTP) crystal, a green laser with an average output power of 165 W is obtained at a repetition rate of 25 kHz, with a diode-to-green optical conversion of 14.68%, and a pulse width of 162 ns. To the best of our knowledge, both the output power and optical-to-optical efficiency are the highest values for green laser systems with intracavity frequency doubling of this novel composite ceramic Nd:YAG laser to date. The power fluctuation at around 160 W is lower than 0.3% in 2.5 hours.
引用
收藏
页码：315 / 320
页数：6
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