三维成像激光雷达应用的亚纳秒激光器研究进展  

Research progress of sub-nanosecond lasers for 3D imaging lidar

作　　者：位超杰 闫仁鹏[1] 李旭东[1] 孟祥熙 刘欣阳 WEI Chao-jie;YAN Ren-peng;LI Xu-dong;MENG Xiang-xi;LIU Xin-yang(National Key Laboratory of Science and Technology on Tunable Laser,Harbin Institute of Technology,Harbin 150080,China;Mongolia Zhengyuan Co.,Ltd,Jinan 250101,China;Shandong Zhengyuan Digital City Construction Co.,Ltd,Yantai 264000,China)

机构地区：[1]哈尔滨工业大学可调谐(气体)激光技术国家重点实验室,黑龙江哈尔滨150080 [2]蒙古正元有限责任公司,山东济南250101 [3]山东正元数字城市建设有限公司,山东烟台264000

出　　处：《光学精密工程》2021年第6期1270-1280,共11页Optics and Precision Engineering

基　　金：国家自然科学基金资助项目(No.61605032)。

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。Due to the advantages of high resolution and accuracy,compactness and high data rate,lidar has been widely used in the 3D 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 develop⁃ment 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.

关 键 词：激光雷达 单光子探测 调Q技术 激光放大 

分 类 号：TN248.1[电子电信—物理电子学]