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End-pumped temperature-dependent passively Q-switched lasers

机译:端泵浦温度相关的被动调Q激光器

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In this paper, we compare pulse parameters in two end-pumped passively Q-switched lasers by increasing the boundary temperature of the laser crystal. For the Nd:YAG/Cr:YAG laser, the pulse energy at 1 kHz increased from 12.4 to 21 mu J when the boundary temperature increased from 20 degrees C to 120 degrees C, while the pulse width decreased by 1.2 times. For the Nd:YVO4 passively Q-switched laser using Cr: YAG as the saturable absorber, the pulse energy at 100 Hz increased from 5.45 to 24.5 mu J when the boundary temperature increased from 26 degrees C to 113 degrees C, while the pulse width decreased by 2.4 times. An improved model based on the rate equations was introduced to analyze the large variation of pulse energy when heating the Nd: YVO4 crystal. (C) 2015 Optical Society of America
机译:在本文中,我们通过提高激光晶体的边界温度来比较两个端泵浦无源调Q激光器中的脉冲参数。对于Nd:YAG / Cr:YAG激光器,当边界温度从20摄氏度增加到120摄氏度时,1 kHz时的脉冲能量从12.4微米增加到21微米,而脉冲宽度减小了1.2倍。对于使用Cr:YAG作为可饱和吸收体的Nd:YVO4被动调Q激光器,当边界温度从26摄氏度增加到113摄氏度时,100 Hz的脉冲能量从5.45微米增加到24.5微米。减少了2.4倍。介绍了一种基于速率方程的改进模型,以分析加热Nd:YVO4晶体时脉冲能量的大变化。 (C)2015年美国眼镜学会

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