| 真空中线性啁啾时空高斯脉冲传输特性的分析 |
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| 引用本文： | 谢兴龙,陈绍和.真空中线性啁啾时空高斯脉冲传输特性的分析[J].光学学报,1998,18(2):82-185. |
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| 作者姓名： | 谢兴龙 陈绍和 |
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| 作者单位： | 中国科学院上海光学精密机械研究所高功率激光联合实验室 |
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| 基金项目： | 国家科委863高科技项目 |
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| 摘 要： | 利用稳态相位点的方法研究了线性啁啾时空高斯脉冲传输过程中的相位特性，并在二阶近似的情况下讨论了其传输过程中的时空特性，两种方法从不同侧面得出了相同的结论，即：时空高斯脉冲在传输的过程中，在无穷远处交退化为球面波，或者在旁轴近似的情况下退化为平面波。
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| 关 键 词： | 线性啁啾 时空高斯脉冲 稳态相位点 激光传输 |
| 收稿时间： | 1997/4/9 |
Analysis of the Propagation Characteristics of Linear Chirped Laser Pulses with Gaussian Temporal and Gaussian Spatial Structure |
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| Xie Xinglong,Chen Shaohe,Deng Ximing.Analysis of the Propagation Characteristics of Linear Chirped Laser Pulses with Gaussian Temporal and Gaussian Spatial Structure[J].Acta Optica Sinica,1998,18(2):82-185. |
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| Authors: | Xie Xinglong Chen Shaohe Deng Ximing |
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| Abstract: | The phase characteristics of the linear chirped laser pulse with Gaussian temporal and Gaussian spatial structure is studied by using the stable phase point method while propagating in vacuum. And under the second order approximation, its spatial and temporal characteristics are discussed. The conclustion from the two methods is that the Gaussian laser pulse will degenerate into a spherical wave or into a planar wave under the paraxial approximation in the very far distant while traveling in vacuum. |
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| Keywords: | linear chirp temporal and spatial Gaussian laser pulse stable phase point light propagation |
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