| 大气中激光等离子体通道寿命的延长及测量分析 |
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| 引用本文： | 董全力,燕飞,张杰,金展,杨辉,郝作强,陈正林,李玉同,魏志义,盛政明.大气中激光等离子体通道寿命的延长及测量分析[J].物理学报,2005,54(7):3247-3250. |
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| 作者姓名： | 董全力 燕飞 张杰 金展 杨辉 郝作强 陈正林 李玉同 魏志义 盛政明 |
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| 作者单位： | 中国科学院物理研究所光学开放实验室，北京 100080 |
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| 摘 要： | 介绍了一种反卷积方法.利用该方法分析了实验中测得的等离子体通道的光电信号特征，获 得了空气中等离子体通道的真实寿命.还证明了利用双脉冲激光结构，可以将等离子体寿命 延长近5倍.
关键词：
反卷积
大气激光等离子体通道
等离子体寿命
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| 关 键 词： | 反卷积 大气激光等离子体通道 等离子体寿命 |
| 文章编号： | 1000-3290/2005/54(07)3247-04 |
| 收稿时间： | 2004-10-26 |
The measurement and analysis of the prolonged lifetime of the plasma channel formed by short pulse laser in air |
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| DONG Quan-li,Yan Fei,Zhang Jie,JIN ZHAN,Yang Hui,Hao Zuo-Qiang,CHEN ZHENG-LIN,Li Yu-Tong,WEI Zhi-yi,SHENG Zheng-Ming.The measurement and analysis of the prolonged lifetime of the plasma channel formed by short pulse laser in air[J].Acta Physica Sinica,2005,54(7):3247-3250. |
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| Authors: | DONG Quan-li Yan Fei Zhang Jie JIN ZHAN Yang Hui Hao Zuo-Qiang CHEN ZHENG-LIN Li Yu-Tong WEI Zhi-yi SHENG Zheng-Ming |
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| Abstract: | The Tikhonov regularization method is applied to analyze the lifetime of the pl asma channel produced by femtosecond laser pulses propagating in air. Experiment s show that by using double laser pulses separated by several nanoseconds, the lifetime of the plasma channel can be prolonged by 5 times that of only using o ne laser pulse. |
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| Keywords: | de-convolution plasma channel in air plasma lifetime |
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