利用倾斜镜技术实现2.4m望远镜的高精度跟踪Ⅰ:原理样机设计及测试  

Realization of High Tracking Precision Usinga Tip-Tilt Mirror for the 2.4-Meter Telescope-Part Ⅰ: Prototype Design and Test

作　　者：丁永超 王德恩[6] 伦宝利[1,3,4,5] 王传军 辛玉新[1,2,3,4,5] 陈林勰 胡东霞[6] 代万俊 张鑫 陈良明[6] 杨英[6] 袁强[6] 陈冬晖[7] 常亮[1,3,4,5] Ding Yongchao;Wang Deen;Lun Baoli;Wang Chuanjun;Xin Yuxin;Chen Linxie;Hu Dongxia;Dai Wanjun;Zhang Xin;Chen Liangming;Yang Ying;Yuan Qiang;Chen Donghui;Chang Liang(Yunnan Observatories,Chinese Academy of Sciences,Kunming,Yunnan 650216,China;Laser Fusion Research Center,CAEP,Mianyang,Sichuan 621900,China;University of Chinese Academy of Sciences,Beijing 100049,China;Key Laboratory for the Structure and Evolution of Celestial Objects,Chinese Academy of Sciences Kunming,Yunnan 650216,China;Center for Astronomical Mega-Science,Chinese Academy of Sciences,Beijing 100012,China;China Opto-Electro Industries Co.,Ltd.,Beijing 100089,China;Astronomical Techniques ＆ Engineering Laboratory of Yunnan,Kunming,Yunnan 650216,China)

机构地区：[1]中国科学院云南天文台,云南昆明650216 [2]中国科学院大学,北京100049 [3]中国科学院天体结构与演化重点实验室,云南昆明650216 [4]中国科学院天文大科学研究中心,北京100012 [5]云南省应用天文技术工程实验室,云南昆明650216 [6]中国工程物理研究院激光聚变研究中心,四川绵阳621900 [7]北京北方光电有限公司,北京100089

出　　处：《激光与光电子学进展》2018年第7期273-285,共13页Laser & Optoelectronics Progress

基　　金：国家自然科学基金(11573069);云南省应用基础研究计划重点项目(2016FA001);中国科学院青年创新促进会资助项目(2015043)

摘　　要：为了获得更高质量的观测数据,提高望远镜的工作效率,设计了一套基于倾斜镜校正系统的原理样机,用于提高丽江2.4m望远镜的闭环跟踪精度。介绍了原理样机的研制,并在2.4 m望远镜上进行了实际测试。结果表明:该系统能实现245Hz的校正频率,望远镜的闭环跟踪精度提高了7.3倍,其高色散光谱仪的星光耦合效率提高了28.6%,快速测光系统的成像质量得到了明显改善;利用该系统可以满足对天文观测的要求。A prototype based on the tip-tilt mirror correction system is designed to obtain higher quality observationdata and improve the efficiency of the telescope,which is used for the research on improving closed-loop tracking precision of the 2.4-meter telescope in Lijiang.This paper introduces the development of the prototype and carried out the actual test in the 2.4-meter telescope.The results show that the system can realize the correction frequency of 245 Hz,and the closed-loop tracking precision of the telescope is improved by 7.3 times.Meanwhile,the coupling efficiency of the high resolution echelle spectrograph is improved by 28.6%,the imaging quality of the fast photometry system is improved obviously.The system can meet the requirements of astronomical observation.

关 键 词：成像系统 2.4米望远镜 跟踪精度 倾斜校正 大气湍流 

分 类 号：P111[天文地球—天文学]