Abstract

A method for generation of ultra-wideband electromagnetic pulses with a nanosecond length and a picosecond rise time has been proposed and studied. A horn antenna with a photoconductive switch irradiated by laser pulses has been used as an emitter. It is shown that the length of ultra-wideband electromagnetic pulses is determined by the antenna length and the semiconductor material and the rise front is determined by the front of laser pulses used to initiate a photoconductive switch. Typical pulse lengths of ~1 ns with a rise front of up to ~34 ps are reported.

中文翻译：

---

产生具有皮秒上升前沿的矩形纳秒电磁脉冲

摘要

提出并研究了一种产生纳秒长度和皮秒上升时间的超宽带电磁脉冲的方法。带有受激光脉冲照射的光电导开关的喇叭天线已被用作发射器。结果表明，超宽带电磁脉冲的长度由天线长度和半导体材料决定，上升前沿由用于启动光电导开关的激光脉冲的前沿决定。据报道，典型的脉冲长度为 ~1 ns，上升前沿高达 ~34 ps。