光电反馈线路采用普通的砷化镓光电导开关，具有结构简单、性能可靠的优点。
The feedback circuit employs a GaAs photoconductive switch, which has simple structure and reliable performance.
光电导开关的超快特性主要由触发光脉冲脉宽和开关芯片材料载流子复合寿命决定。
The main results obtained are as follows:1. The ultra-fast characteristics of photoconductive switches were mainly determined by the optical pulse width and the carrier lifetime of the chip material.
摘要对比了半绝缘多能谷光电导开关中光激发单极畴和耿氏器件中偶极畴的物理机制。
The photon-activated monopole domain in a semi-insulating multi-valley photoconductive semiconductor switch and the dipole domain in a Gunn device are compared.
在这样的背景下，本课题对基于半导体光电导开关的超高速光电检测系统进行研究和构建。
Under this background, the ultra fast optic-electronics measurement system based on photoconductive switch is studied, designed, and constructed.
而且目前人们在实验和理论分析中都将示波器作为纯电阻负载来研究光电导开关的输出电脉冲特性，这样就有失精确性。
Also, at present, people always treat storage oscilloscope as pure resistance when they study the output characteristic of PCSS's in experiments and theories, which makes the results not be accurate.
此外，在设计含有光电导开关的光电复杂系统时，为了提高可靠性，减小设计成本，缩短设计周期，对其进行模拟和仿真也是非常必要的。
Besides, when the complicated PCSS's system is designed, it is necessary to simulate PCSS's for improving its reliability, cutting the costs and shorten the cycle.
此外，在设计含有光电导开关的光电复杂系统时，为了提高可靠性，减小设计成本，缩短设计周期，对其进行模拟和仿真也是非常必要的。
Besides, when the complicated PCSS's system is designed, it is necessary to simulate PCSS's for improving its reliability, cutting the costs and shorten the cycle.
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