| 自聚焦克尔类电介质中非傍轴光束调制非稳的研究 |
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| 引用本文： | 冯敏,薛云,卫青,施解龙.自聚焦克尔类电介质中非傍轴光束调制非稳的研究[J].上海大学学报(英文版),2004,8(2):159-163. |
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| 作者姓名： | 冯敏 薛云 卫青 施解龙 |
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| 作者单位： | DepartmentofPhysics,CollegeofSciences,ShanghaiUniversity,Shanghia200436,P.R.Chian |
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| 基金项目： | ProjectsupportedbytheNationalNaturalScienceFoundationofChina(GrantNo . 60 1770 2 0 ) |
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| 摘 要： | Propagation stability of non-paraxial beam in nonlinear Kerr media is investigated with a linear stability method.Both theoretical analysis and numerical simulation show that modulation instability(MI) gain spectrum has three different distribution features determined by the times of incident power P0 and the non-paraxial parameter a. Furthermore,the corresponding criterion is put forward to distinguish the three different distributions.
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| 关 键 词： | 自聚焦克尔类电介质 非傍轴光束 调制非稳性 增益光谱 传播稳定性 |
| 收稿时间： | 28 April 2003 |
Modulation instability of non-paraxial beams for self-focusing kerr media |
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| Feng?Min,Xue?Yun,Wei?Qing,Shi?Jie-long.Modulation instability of non-paraxial beams for self-focusing kerr media[J].Journal of Shanghai University(English Edition),2004,8(2):159-163. |
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| Authors: | Feng Min Xue Yun Wei Qing Shi Jie-long |
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| Institution: | Department of Physics, College of Sciences, Shanghai University, Shanghai 200436, P. R. China |
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| Abstract: | Propagation stability of non-paraxial beam in nonlinear Kerr media is investigated with a linear stability method. Both theoretical analysis and numerical simulation show that modulation instability(MI) gain spectrum has three different distribution features determined by the times of incident power p 0 and the non-paraxial parameter a. Furthermore, the corresponding criterion is put forward to distinguish the three different distributions. |
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| Keywords: | non-paraxial beam modulation instability(MI) gain spectrum Kerr media |
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