High-power passively Q-switched Yb:YCa4O(BO3)3 laser with a GaAs crystal plate as saturable absorber.
作者信息
Chen Xiaowen, Han Wenjuan, Xu Honghao, Jia Minghui, Yu Haohai, Zhang Huaijin, Liu Junhai
出版信息
Appl Opt. 2015 Apr 10;54(11):3225-30. doi: 10.1364/AO.54.003225.
PMID:25967307
Abstract
We report on efficient high-power passively Q-switched operation of a Yb:YCa4O(BO3)3 laser with a GaAs crystal plate acting as the saturable absorber. An average output power of 5.7 W at 1032 nm is generated at a pulse repetition rate of 166.7 kHz when the incident pump power is 26.8 W, with a slope efficiency determined to be 24.5%. The averaged pulse energy achieved is roughly 30 μJ and is increased to about 40 μJ when the output coupling used changes from 30% to 50%, while the shortest pulse width is measured to be 153 ns.
摘要
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