盖革模式APD阵列在激光雷达技术中应用

激光雷达技术是成像前沿技术之一,基于盖革模式APD焦平面阵列的三维成像激光雷达以其高灵敏度、高距离分辨率、高成像效率而成为国内外研究热点.本文介绍了美国麻省理工学院林肯实验室研发的盖革模式APD阵列的结构和性能.该APD阵列具有单光子探测能力,采用桥接集成技术增加了APD阵列的集成度,每个像素都有独立的计时电路距离信息直接读出.同时文中还给出了APD阵列激光雷达在伪装目标识别、广域地形三维成像方面的最新研究成果.旨在为我国激光雷达技术研究与传感器选择方面提供参考.

Application of Geiger-mode APD array in laser radar

Laser radar is one of the leading imaging technologies. Three dimensional imaging laser radar based on the Geiger-mode APD focal plane array becomes a hot research topic at home and abroad because of its high sensitivity, high range resolution and high imaging efficiency. The structure and performance of the Geiger-mode APD array in the Massachusetts Institute of Technology Lincoln laboratory are introduced. The APD array has single photon detection ability. The bridge bonding increases the integration of the APD array. The ranging information can be directly read out from each pixel that has independent timing circuit. At the same time, the article also gives the newest research achievements of the APD array laser radar in target recognition in disguise and three-dimensional imaging for wide area terrain. The purpose is to provide reference for domestic researchers in laser radar researching and sensor selection.