基于光电倍增管的弱光检测摘要:本文基于光电倍增管设计了一种弱光检测电路。文章首先介绍了光电倍增管的结构、原理及应用方法,然后给出了微弱电流转换与放大电路的设计。关键词:光电倍增管;分压电路;I/V转换Low-light-leveldetectionbasedonPhotomultipliertubeAbstract:Thispaperpresentsthedesignofasystemforlow-lightleveldetection.ThestructureandprincipleofPMTarebrieflyintroduced,andtheapplicationmethodonPMTisdiscussed.Thedesignoflowcurrenttransformationandamplificationcircuitisalsoperformed.Keywords:Photomultipliertube(PMT);voltagedivider;I/Vtransformation1. 引言光电倍增管(PMT)是一种具有极高灵敏度和超快时间响应