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中文摘要：
利用数值方法对线性条件下横向光电导开关的感生电流和传导电流进行了计算和比较．结果表明在特定的实验条件下，感生电流才会对输出电脉冲产生较大的影响．分析了超快光电导开关在不同实验条件下传导电流与位移电流对输出电脉冲的影响．根据该结论，给出非线性模式下，光电导开关电脉冲超快上升沿小于载流子以饱和速度在电极间渡越所需时间的现象．
英文摘要：
Electric pulse of photoconductive switches is determined by transmission character of photo-generated carriers. In the course of transmission, inductive current on the electrodes is formed by photo-generated carriers with high drift speed. Conductive current is formed only after the carriers are absorbed by electrodes. Inductive current and conductive current are calculated by numerical method in this paper. The result shows that inductive current cannot play a main part in the photoconductive switches＇ output pulse unless under abnormal test conditions. And explaination of ultra-fast rise time of out put pulse faster than the time of carriers to pass between two electrodes with saturated drift speed is given.
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