| 考虑不同脉冲形状时群速失配效应在二次谐波自相关法中的影响 |
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| 引用本文： | 张帆,阮双琛.考虑不同脉冲形状时群速失配效应在二次谐波自相关法中的影响[J].光子学报,1999,28(9):793-796. |
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| 作者姓名： | 张帆 阮双琛 |
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| 作者单位： | [1]中国科学院西安光学精密机械研究所瞬态光学技术国家重点实 [2]深圳大学工程技术学院 |
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| 摘 要： | 本文讨论了在考虑不同脉冲形状时群速失配效应对二次谐波自相关法测量超短光脉冲宽度的影响.结果表明了脉冲形状不同时,群速失配效应对干涉自相关法和强度自相关法的影响不同.
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| 关 键 词： | 二次谐波 群速失配 干涉自相关 强度自相关 |
| 收稿时间： | 1999-06-08 |
| 修稿时间： | 1999-06-08 |
EFFECT OF GROUP VELOCITY MISMATCH ON SECOND HARMONIC AUTOCORRELATION CONSIDERING DIFFERENT PULSE SHAPES |
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| Zhang Fan,Ruan Shuangchen.EFFECT OF GROUP VELOCITY MISMATCH ON SECOND HARMONIC AUTOCORRELATION CONSIDERING DIFFERENT PULSE SHAPES[J].Acta Photonica Sinica,1999,28(9):793-796. |
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| Authors: | Zhang Fan Ruan Shuangchen |
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| Institution: | 1. Xi’an Institute of Optics &; Precision Mechanics, Academia Sinica, Xi’an 710068;2. The school of Engineering and Technology, Shenzhen University, Shenzhen 518060 |
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| Abstract: | To use second harmonic generation as a technique for ultrashort optic pulse width measurement is analyzed to determine in detail the effect of group velocity mismatch (GVM) between fundamental and second harmonic fields when considering different pulse shapes It is found that for interferometric autocorrelation and intensity autocorrelation,GVM has different effects versus different pulseshapes |
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| Keywords: | Group velocity mismatch Second harmonic generation Interferometric autocorrelation Intensity autocorrelation |
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