双波长偏振测量激光雷达接收光路的设计

Design of the multiwavelength polarimetric lidar receivor

双波长偏振测量激光雷达在环境遥感、植被遥感、测绘以及军事侦察等方面具有重要的应用价值。双波长接收透射光路的设计对于提高激光雷达的应用效率、减小系统体积、降低系统的重量和成本有着重要的意义。应用ZE-MAX光学设计软件,设计了1064nm和532nm的双波长的激光雷达偏差测量接收光路,给出了该系统的最佳设计参数,对所设计光路的点扩散函数分析结果表明,该光路可以很好地获得双波长最佳成像探测质量,为实际工程应用具有良好的借鉴作用。

Multiwavelength polerimetric lidar is valuable for envriorment and vegetable remote sensing,surveying and mapping etc.The design of receivor is of important significance for workpiece ratio,cube reduction,and also could reduce weight and cost of the system.The optical receivor of multiwavelength polerimetric lidar is designed in both 1064nm and 532nm with ZEMAX.A best result is presented by analysing the spot diagram.The optical design could obtain optimal image,yet a good reference for realtic application.