| 相位畸变光倍频转换的统计光学处理方法 |
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| 引用本文： | 高艳霞,范滇元.相位畸变光倍频转换的统计光学处理方法[J].深圳大学学报(理工版),2004,21(1):14-18. |
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| 作者姓名： | 高艳霞 范滇元 |
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| 作者单位： | 1. 深圳大学理学院,深圳,518060
2. 中国科学院上海光机所高功率激光物理国家实验室,上海,201800 |
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| 基金项目： | 广东省自然科学基金资助项目(000857) |
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| 摘 要： | 从统计光学观点出发，针对高斯型随机相位畸变，在薄晶体近似下，分析相位畸变光束的倍频转换过程，给出了基波、倍频波随相位畸变特征量变化的理论模型和数值计算结果，介绍了一种对相位畸变光倍频的描述方法．
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| 关 键 词： | 相位畸变 倍频转换 统计光学 激光束 谐波转换 |
| 文章编号： | 1000-2618(2004)01-0014-05 |
| 修稿时间： | 2003年5月1日 |
Statistical optics method of SHG of phase aberrated beam |
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| GAO Yan-xia and,FAN Dian-yuanCollege of Science Shenzhen UniversityShenzhen,P.R.ChinaLab of High Power Laser and Physics.Statistical optics method of SHG of phase aberrated beam[J].Journal of Shenzhen University(Science &engineering),2004,21(1):14-18. |
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| Authors: | GAO Yan-xia and FAN Dian-yuanCollege of Science Shenzhen UniversityShenzhen PRChinaLab of High Power Laser and Physics |
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| Affiliation: | GAO Yan-xia~1 and FAN Dian-yuan~21)College of Science Shenzhen UniversityShenzhen 518060P.R.China2)Lab of High Power Laser and Physics Shanghai Institute of Optics and Fine Mechanics,Shanghai 201800P.R.China |
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| Abstract: | We developed a method to describe the frequency conversion of aberrated beams. Based on the statistical optics method, we investigated the second harmonic generation of phase-aberrated beams with thin crystal and Gaussian random variable phase aberration.The transverse intensity distributions for the fundamental wave and the second harmonic wave with the profiles of nonuniform and aberrated phase were calculated in detail. The method was proved to be applicable to designs of the harmonic generation for high power lasers. |
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| Keywords: | phase-aberrated beam frequency conversion statistical optics method |
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