高精度等晕角测量关键技术研究  

High-precision measurement technique of isoplanatic angle

作　　者：强希文 吴敏 宗飞 翟胜伟 胡月宏 封双连 赵军卫 常金勇 Qiang Xiwen;Wu Min;Zong Fei;Zhai Shengwei;Hu Yuehong;Feng Shuanglian;Zhao Junwei;Chang Jinyong(The 27th Research Institute of China Electronics Technology Group Corporation,Zhengzhou 450047,China)

机构地区：[1]中国电子科技集团公司第27研究所,郑州450047

出　　处：《强激光与粒子束》2021年第8期105-109,共5页High Power Laser and Particle Beams

摘　　要：等晕角是重要大气光学参数之一,对天文光学站址选择、大气湍流效应自适应光学校正效果评价等有着重要的意义。分析了国内外等晕角测量技术,介绍了等晕角测量的基本原理,设计了三环变迹镜并开展了数值验证,分析并提出了高精度等晕角测量仪的主要技术指标,研制了一套高精度等晕角测量仪,结果表明,该仪器能够满足全天时的等晕角测量。Isoplanatic angle is an important parameter in atmospheric optics field,and it is important for astronomical site optics selection,and evaluation of adaptive compensation for effects of atmospheric turbulence.Past measurement techniques of isoplanatic angle in the world is analyzed,and fundamental measurement principle of isoplanatic angle is introduced.A three annuli mirror was designed and its usability and precision has been verified.Primary specifications was put forward and a prototype has been developed for high precision measurement of isoplanatic angles.The results show that the prototype an measure isoplanatic angle day and night.

关 键 词：等晕角 测量技术 三环变迹镜 大气光学 自适应光学 

分 类 号：P412[天文地球—大气科学及气象学]