【摘要】 激光雷达具有高分辨率和测量精度、体积小和数据率高等特点,已经成为地面三维成像和大气探测的主要技术手段之一。微脉冲激光雷达技术可以实现对目标的准连续测量,有效地降低了激光雷达的体积和功耗,对于推动激光雷达在航空航天领域的应用具有重要意义。本文针对微脉冲激光雷达应用的高重复频率亚纳秒激光器进行了综述,对比和讨论了亚纳秒激光器不同产生方式的特点和发展现状,并对亚纳秒激光器的未来发展做了展望。更多还原

【Abstract】 Due to the advantages of high resolution and accuracy,compactness and high data rate,lidar has been widely used in the 3 D information acquisition and atmospheric detection.The micropulse lidar could achieve the quasi continuous detection of the target,and improve the compactness and efficiency of the lidar system,which promotes its aerospace applications.A comprehensive overview for the development and the latest achievements of micropulse lidar and the employed laser sources is given in this article.The characteristics of high repetition rate,sub-nanosecond laser produced with different techniques are compared and the development of sub-nanosecond laser in micropulse lidar is predicted.更多还原