| 腔内倍频调Q激光器中脉冲光场的时间不稳定性研究 |
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| 引用本文： | 徐昕,王石语,蔡德芳,李兵斌,过振,文建国.腔内倍频调Q激光器中脉冲光场的时间不稳定性研究[J].光学学报,2011(8):188-193. |
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| 作者姓名： | 徐昕 王石语 蔡德芳 李兵斌 过振 文建国 |
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| 作者单位： | 西安电子科技大学技术物理学院; |
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| 基金项目： | 国家重点实验室基金(51438010205DZ0101)资助课题 |
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| 摘 要： | 以腔内倍频调Q激光器工作原理为基础,研究了多种形式抽运光分布的情况下倍频光的脉冲形状以及脉冲持续过程中光场分布的时间不稳定性,分析了倍频光光束质量随时间的变化规律.发现腔内倍频调Q激光器输出的倍频光光场分布在脉冲的持续过程中并不稳定,呈持续变化.对高斯型抽运的情况研究发现,减小腔长会使脉冲光场分布的不稳定性减小;而增加...
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| 关 键 词： | 激光器 腔内倍频 调Q 光束质量 光场分布 |
Study on Time Instability of Pulsed Light Field from Q-Switched Intracavity Frequency-Doubled Laser |
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| Xu Xin Wang Shiyu Cai Defang Li Bingbin Guo Zhen Wen Jianguo.Study on Time Instability of Pulsed Light Field from Q-Switched Intracavity Frequency-Doubled Laser[J].Acta Optica Sinica,2011(8):188-193. |
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| Authors: | Xu Xin Wang Shiyu Cai Defang Li Bingbin Guo Zhen Wen Jianguo |
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| Abstract: | Based on the principle of Q-switched intracavity frequency doubled laser,the shape of the second harmonic pulse and the second harmonic unstable light field distribution under the various forms of pump light distribution are studied,and the variation of the second harmonic beam quality is also analyzed.It is found that the light field of Q-switched intracavity frequency-doubled laser is changing in the duration of pulse.In the case of Gaussian type of pump light,it is found that the instability will decreas... |
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| Keywords: | lasers intracavity frequency doubling Q-switching beam quality optical-field distribution |
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