多通道宽幅度合成孔径激光成像雷达收发装置优化研究  

Optimization Research on Multi-Channel Wide-Swath Synthetic Aperture Imaging Ladar Transceiver System

作　　者：张波[1,2] 周煜 孙建锋[1] 张国[1,2] 李光远[1,2] 许蒙蒙 贺红雨[1,2] 劳陈哲 Zhang Bo;Zhou Yu;Sun Jianfeng;Zhang Guo;Li Guangyuan;Xu Mengmeng;He Hongyu;Lao Chenzhe(Key Laboratory of Space Laser Communication and Detection Technology, Shanghai Institute of Optics and Fine Mechanics, Chinese Academy of Sciences, Shanghai 201800, China;University of Chinese Academy of Sciences, Beijing 100049, China)

机构地区：[1]中国科学院上海光学精密机械研究所空间激光通信与探测技术重点实验室,上海201800 [2]中国科学院大学,北京100049

出　　处：《光学学报》2018年第5期292-298,共7页Acta Optica Sinica

基　　金：国家自然科学基金(61505233;61377004)

摘　　要：本文开展了多通道宽幅度合成孔径激光成像雷达(SAIL)收发装置的优化研究,提出了一种实现远场瞬时宽幅式的成像方法,并给出了多通道宽幅度SAIL收发装置的结构图。重点对发射光路进行了研究,分析了光纤阵列器中发射光束排布的特点,并给出了光纤阵列器中发射光纤的倾斜排布方案。而后,对发射光纤排布方案进行了优化,建立了多通道宽幅度SAIL发射装置的发射光束排布模型,给出了光纤阵列器中发射光束排布的最佳方案并进行了分析。最后,给出了多通道宽幅度SAIL接收装置中阵列探测器的结构图。这对远距离高分辨率宽幅度的机载SAIL研究具有重要的意义。The multi-channel wide-swath synthetic aperture imaging ladar（SAIL）transceiver system is researched.A method to realize the far-field instantaneous wide-swath imaging is presented.The structure of multi-channel wide-swath SAIL transceiver system is analyzed.In particular,the transmitter device is studied and the characteristics of the layout of fibers in the fiber array device are analyzed.The tilt layout of the fibers is given.After that,we further optimize the fiber layout in the fiber array device.The layout model of the fibers for the multichannel wide-swath SAIL launcher is established,the best layout of the fibers is given.Finally,the structure of the array detectors in the multi-channel wide-swath SAIL receiver is given.This will be of vital significance for the longdistance high-resolution wide-swath airborne SAIL.

关 键 词：遥感 激光雷达 光纤排布 优化模型 多通道 

分 类 号：O436[机械工程—光学工程]