应用统计光学方法分析位相畸变光束的倍频转换
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摘要: 主要介绍了一种对位相畸变光倍频的描述方法，具体从统计光学观点出发，针对高斯型随机位相畸变，在薄晶体近似下，分析位相畸变光束的倍频转换过程，给出了基波、倍频波随位相畸变特征量变化的理论模型和数值计算结果，可为高功率激光器和倍频器的设计提供理论依据。Abstract: A method to describe the frequency conversion of aberrated beams was develiped. Based on the statistical optics method, the second harmonic generation of phase-aberrted beams with thin crystal and a Gaussian random variable phase aberration .were investigated. The calculated results of the fundamental wave and the second harmonic wave with the profiles of non-uniform and aberrated phase ae given in detail.
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Key words:
- phase-aberrated beams /
- frequency conversion /
- statistical optics method
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