| 介质内高阶非线性效应引起的超加宽现象的研究 |
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| 引用本文： | 连合 谭维翰. 介质内高阶非线性效应引起的超加宽现象的研究[J]. 光学学报, 1992, 12(2): 49-152 |
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| 作者姓名： | 连合 谭维翰 |
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| 作者单位： | 中国科学院上海光学精密机械研究所 上海201800(连合)，中国科学院上海光学精密机械研究所 上海201800(谭维翰) |
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| 摘 要： | 当入射激光强度较高时(～10~(13)W/cm~2),非线性介质的五阶非线性效应巳不能忽略.前文仅考虑三阶非线性效应的影响,得到输出脉冲的非对称展宽,计算结果与实验结果基本符合.本文在前文的基础上,同时考虑三阶和五阶非线性x~(3)和x~(5)的影响,得到更好的结果.
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| 关 键 词： | 非线性 效应 激光脉冲 谱线 展宽 |
| 收稿时间： | 1991-02-12 |
Super-broadening phenomenon by high order-nonlinear effects in medium |
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| LIAN HE AND TAN WEHAN. Super-broadening phenomenon by high order-nonlinear effects in medium[J]. Acta Optica Sinica, 1992, 12(2): 49-152 |
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| Authors: | LIAN HE AND TAN WEHAN |
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| Abstract: | The fifth-order nonlinear effects of medium must be included when the incident laser intensity is higher ( -1013 W/cm2). By using plane-wave theory and considering both the third-nonlinearity and the fifth-order nonlinearity, the asymmetric Stokes-anti-Stokes broadening of output pulse is obtained through solving Maxwell equation directly. The theoretical result agrees well with the experimental data reported by Fork. et. al.. |
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| Keywords: | strong field physios nonlinear effects. |
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