| 载波相位引起高斯脉冲时间特性的变化 |
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| 引用本文： | 陈建国,张菁,李大义.载波相位引起高斯脉冲时间特性的变化[J].中国激光,2003,30(3):236-238. |
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| 作者姓名： | 陈建国 张菁 李大义 |
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| 作者单位： | 四川大学光电系,四川,成都,610064 |
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| 摘 要： | 分析了载波相位引起的高斯形几周期无啁啾脉冲 (FCP)时间特性的变化 ,导出了高斯光脉冲携带的能量W ,脉冲时间重心〈t〉以及脉冲有效宽度τeff等与载波相位的关系式。分析结果表明 ,当包络脉宽 (FWHM)τP 小于载波周期时 ,载波相位对上述诸量的影响开始表现出来
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| 关 键 词： | 几何光学 高斯脉冲 载波相位 有效脉冲宽度 |
| 收稿时间： | 2001/12/17 |
Carrier Phase Modified Temporal Characteristics of Few-cycle Guassian Pulses |
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| CHEN Jian guo,ZHANG Jing,LI Da yi.Carrier Phase Modified Temporal Characteristics of Few-cycle Guassian Pulses[J].Chinese Journal of Lasers,2003,30(3):236-238. |
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| Authors: | CHEN Jian guo ZHANG Jing LI Da yi |
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| Abstract: | Carrier phase dependent characteristics of a few cycle chirp free Guassian pulse have been studied in the time domain. Expressions of the pulse energy W, center of gravity of the time 〈t〉, and effective pulse width τ eff have been deduced in terms of the carrier phase. Results suggest that the carrier phase takes effect when the time width (FWHM) τ P of the pulse envelope becomes smaller than the period of the carrier oscillation period. |
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| Keywords: | geometrical optics Gaussian pulse carrier phase effective pulse width |
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