| 对超短脉冲强激光在大气通道中产生的三次谐波偏振特性及白光光谱调制特性的研究 |
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| 引用本文： | 李昆,徐妙华,金展,刘运全,王兆华,令维军,张杰.对超短脉冲强激光在大气通道中产生的三次谐波偏振特性及白光光谱调制特性的研究[J].物理学报,2007,56(3):1439-1442. |
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| 作者姓名： | 李昆 徐妙华 金展 刘运全 王兆华 令维军 张杰 |
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| 作者单位： | 中国科学院物理研究所光物理实验室，北京 100080 |
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| 摘 要： | 研究了超短脉冲强激光在大气中传输产生电离通道后辐射的三次谐波强度随激光偏振的变化.此外，还研究了产生的白光辐射在短波长上的有规律的谱调制，分析了白光谱调制的产生机理.
关键词：
超短脉冲激光
大气通道
超连续辐射
三次谐波
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| 关 键 词： | 超短脉冲激光 大气通道 超连续辐射 三次谐波 |
| 文章编号： | 1000-3290/2007/56(03)/1439-04 |
| 收稿时间： | 2005-11-17 |
| 修稿时间： | 11 17 2005 12:00AM |
Polarization dependence of third-harmonics and spectral modulation properties of supercontinuum radiation from plasmas channels generated by femtosecond laser pulses propagation in air |
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| Li Kun,Xu Miao-Hua,Jin Zhan,Liu Yun-Quan,Wang Zhao-Hua,Ling Wei-Jun,Zhang Jie.Polarization dependence of third-harmonics and spectral modulation properties of supercontinuum radiation from plasmas channels generated by femtosecond laser pulses propagation in air[J].Acta Physica Sinica,2007,56(3):1439-1442. |
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| Authors: | Li Kun Xu Miao-Hua Jin Zhan Liu Yun-Quan Wang Zhao-Hua Ling Wei-Jun Zhang Jie |
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| Institution: | Laboratory of Optical Physics , lnstitute of Physics , Chinese Academy of Sciences , Beijing 100080, China |
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| Abstract: | We carried out spectroscopic studies on the supercontinuum radiation from the plasma channels generated by femtosecond laser pulses propagating in air, which confirmed the polarization dependence of third harmonics and the spectral modulation of supercontinuum radiated from filaments. The new phenomenon of spectral modulation is also explored. |
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| Keywords: | ltrashort strong laser pulses plasmas channels supercontinuum radiation third-order harmonics |
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