| 超短脉冲光电导开关的全波分析 |
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| 引用本文： | 李学清 郭开周. 超短脉冲光电导开关的全波分析[J]. 电子学报, 1993, 21(9): 20-26,48 |
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| 作者姓名： | 李学清 郭开周 |
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| 作者单位： | 中国科学院电子学研究所，中国科学院电子学研究所，中国科学院电子学研究所 北京 100080，北京 100080，北京 100080 |
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| 摘 要： | 本文采用时域有限差分法直接求解包含传导电流的三维麦克斯韦方程组,对超短脉冲光电导开关进行全波分析,分析中考虑了静电场影响,采用了比较精确的光电导数学模型。本文还讨论了开关输出信号的模式组成和激光脉冲能量、脉宽对开关性能的影响,并给出了光电导开关响应在不同时刻的三维图形。
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| 关 键 词： | 光电导开关 全波分析 超短脉冲 |
Fullwave Analysis of Ultra-Short Pulse Photoconductive Switches |
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| LJ Xueqing,Guo Kaizhou,Zhou Quan. Fullwave Analysis of Ultra-Short Pulse Photoconductive Switches[J]. Acta Electronica Sinica, 1993, 21(9): 20-26,48 |
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| Authors: | LJ Xueqing Guo Kaizhou Zhou Quan |
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| Abstract: | A fullwave analysis method of ultra-short pulse photoconductive switches is described in this paper.Three-dimension Maxwell curl equations,including the conductive current components,are solved using a Finite-Difference Time-Domain scheme.The influence of the static electric field on boundary condition is taken into account in the analysis.And a more reasonable photoconductive mathematical model is employed here.The constituent of switch output,influence of laser pulse energy and width upon the switch performance and the responses of three-dimension field pattern in switch at different time are presented. |
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| Keywords: | Photoconductive switch Fullwave analysis Time-Domain Finite-Difference method Absorbing boundary condition Quasi-TEM modes Plane waveguide modes |
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