基于单光子雪崩二极管的成像技术综述OACSTPCD

Single-photon imaging technology involves multiple aspects such as semiconductor processes,optoelectronic devices,and inte-grated circuit design.Based on single-photon avalanche diodes,single-photon imaging technology offers high dynamic two-dimensional grayscale imaging,high-precision three-dimensional imaging,and fluorescence lifetime imaging capabilities.It has significant application prospects in fields such as security surveillance,autonomous driving,and biomedicine.With the rapid development of semiconductor process technology,single-photon imaging technology is expected to become a widely used next-generation visual perception technology.This article provides a systematic introduction to imaging technology based on single-photon avalanche diodes,including the device struc-ture of single-photon avalanche diodes,key circuits involved in single-photon imaging,and the latest research progress in gray scale and temporal resolution single-photon image sensors.