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Inductive current and conductive current in photoconductor switches

Qu Guang-Hui Shi Wei

Inductive current and conductive current in photoconductor switches

Qu Guang-Hui, Shi Wei
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  • Abstract views:  3827
  • PDF Downloads:  711
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Publishing process
  • Received Date:  20 March 2006
  • Accepted Date:  26 April 2006
  • Published Online:  20 November 2006

Inductive current and conductive current in photoconductor switches

  • 1. 西安理工大学物理系,西安 710058

Abstract: 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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