脉冲激光探测电路设计

摘要

脉冲激光探测电路的设计是激光应用领域的重要内容,根据脉冲激光信号的特点,从探测能力、响应时间、稳定性三方面对脉冲激光探测电路的设计进行研究,重点论述了光电探测系统组成的三个重要组成部分：光电探测器、光电转换电路和探测器偏置电路。深入分析了光电探测器的选型、利用电阻进行光电转换电路的特性以及利用跨导放大器进行光电转换电路的特性,对于激光探测系统的设计有一定参考价值。%Design of pulse laser detection circuit is very important in the laser applications,according to the characteristics of the pulse laser,the design of the pulse laser detection circuit is studied from three aspects which are the detection capability,response time and stability.Three main parts of the photoelectric detection system are discussed,which are the photoelectric detector,photoelectric conversion circuit and detector bias circuit.The selection of the photoelectric detector,photoelectric conversion characteristics of the circuit with resistance and photoelectric conversion characteristics of the circuit with transconductance amplifier are analyzed,which offers the reference to the design of the laser detection system.