| 飞秒强激光经氩气和氩团簇的传播 |
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| 引用本文： | 王向欣,王成,李邵辉,倪国权,徐至展.飞秒强激光经氩气和氩团簇的传播[J].光子学报,2005,34(7):961-963. |
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| 作者姓名： | 王向欣 王成 李邵辉 倪国权 徐至展 |
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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 |
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| 基金项目： | 国家自然科学基金（No.29890210）和上海科技基金（No.0159nm022）资助 |
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| 摘 要： | 通过数值求解三维电场传播方程,理论模拟了飞秒强激光脉冲（50 fs,1016 w/cm2）在氩气和中等尺寸氩团簇中的传播效应.结果表明,飞秒强激光脉冲经氩气传播将发生频谱蓝移展宽和光束发散;而经中等尺寸氩团簇传播,则存在一定程度的自聚焦效应.
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| 关 键 词： | 非线性光学 飞秒激光 氩气 氩团簇 |
| 收稿时间： | 2004-04-23 |
| 修稿时间： | 2004年4月23日 |
Propagation of Intense Femtosecond Laser Pulses in Ar Gas and Ar Cluster |
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| Wang Xiangxin,Wang Cheng,Li Shaohui,NI Guoquan,Xu Zhizhan.Propagation of Intense Femtosecond Laser Pulses in Ar Gas and Ar Cluster[J].Acta Photonica Sinica,2005,34(7):961-963. |
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| Authors: | Wang Xiangxin Wang Cheng Li Shaohui NI Guoquan Xu Zhizhan |
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| Institution: | (Shanghai Institute of Optics and Fine Mechanics,The Chinese Academy of Sciences, Shanghai 201800) |
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| Abstract: | The propagation of intense femtosecond laser pulses(50 fs,1016 w/cm2) in Ar gas and middle-size Ar clusters is modelled by solving 3D propagation equation numerically.The results show that the intense femtosecond laser pulses propagating in Ar gas will experience ionization-induced modulations, including spectral blueshifting and beam refraction,while self-focusing may occur for the intense femtosecond laser pulses propagating in Ar clusters. |
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| Keywords: | Nonlinear optics Femtosecond laser pulse Ar gas Ar clusters |
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