大气折射对激光传输的影响  

Influence of Atmospheric Refraction on Laser Transmission

作　　者：辛玉军[1] 魏龙超[1] 贾哲[1] 董传昌[2] 

机构地区：[1]中国电子科技集团公司第二十七研究所,郑州450015 [2]空军驻江西地区军事代表室,南昌330024

出　　处：《电光系统》2008年第4期1-4,共4页Electronic and Electro-optical Systems

摘　　要：根据Moltran提供的数据库，计算了夏季和冬季从地面至100km高度处的折射率分布，验证了三参数伽马分布模型。在大气层球面分层的折射模型基础上，利用折射定律，对激光的传输路径进行了仿真计算，得到20km和40km高度处光束偏转和地面发射仰角的关系，为地对空无线光通信系统设计提供了参考。According to the database provided by Moltran, refractive index distributions from the ground to the altitude of 100km in summer and winter are calculated and the Gamma distribution model of three - parameter is validated in the paper. Based on the refraction model of spherically stratified atmosphere and the refractive law, the light path is simulated and the relation between beam deflection at the altitude of 20km and 40kin and ground launching elevation is acquired which provides reference for earth - space wireless optical communication.

关 键 词：大气折射 光束偏转 发射仰角 无线光通信 

分 类 号：TN24[电子电信—物理电子学]