激光星间链路终端技术发展与展望  

Recent development and prospective of inter-satellite laser links terminal technology

作　　者：夏方园 汪勃[1] 张国亭[1] 伍剑[2] 张建华 陈祥[3] 张福瑞[4] 李瑶[4] XIA Fangyuan;WANG Bo;ZHANG Guoting;WU Jian;ZHANG Jianhua;CHEN Xiang;ZHANG Furui;LI Yao(School of Aeronautic Science and Engineering,Beihang University,Beijing 100191,China;School of electronic engineering,Beijing University of Posts and Telecommunications,Beijing 100083,China;Xi'an Institute of Space Radio Technology,Xi’an 710199,China;College of Optoelectronic Engineering,Xi’an Technological University,Xi’an 710021,China)

机构地区：[1]北京跟踪与通信技术研究所,北京100094 [2]北京邮电大学电子工程学院,北京100083 [3]西安空间无线电技术研究所,西安710199 [4]西安工业大学光电工程学院,陕西西安710021

出　　处：《光学技术》2023年第2期175-183,共9页Optical Technique

基　　金：中国博士后科学基金(2021M693949);国家自然科学基金(62001364,62101420)。

摘　　要：激光星间链路主要用于卫星之间高速数传,是构建天基信息网络的关键技术。目前国外通信、遥感、导航和中继等卫星系统都已计划部署激光通信终端,激光星间链路技术已从在轨演示验证向大规模组网应用阶段发展。简要梳理了国际上现有组网卫星系统的激光星间链路终端技术发展情况,对激光星间链路的技术体制和终端分类进行了总结;侧重分析了我国激光星间链路终端技术发展现状及大规模应用面临的主要问题,针对重难点技术的解决途径进行了思考;对激光星间链路终端未来的发展趋势做了展望,尤其是轻小型化设计与实现、宽带化、一对多光学天线和网络化等技术发展趋势进行了分析。Laser inter-satellite link is used for high-precision measurement and high-speed data transmission between satellites.It is a crucial technology to build a space-based information network.Presently,foreign satellite systems such as communication,remote sensing,navigation,and relay have planned to deploy laser communication terminals.Laser inter-satellite link technology has developed from on-orbit demonstration and verification to large-scale networking applications.This paper briefly combs the development of laser inter-satellite link terminal technology of existing networking satellite systems in the world,and summarizes the technical strategy and terminal classification of laser inter-satellite link.The development status of laser inter-satellite link terminal technology in China and the main problems faced by the large-scale application are emphatically analyzed,and solutions to key and difficult technologies are considered;Finally,the future development trend of laser inter-satellite link terminals has prospected,especially the development trend of lightweight design and implementation,broadband,one to many optical antennas and networking technologies.

关 键 词：星间链路 激光通信 通信与测量 小型化 发展与展望 

分 类 号：V11[航空宇航科学与技术—人机与环境工程] TN915[电子电信—通信与信息系统] O439[电子电信—信息与通信工程]