空间太阳极紫外(EUV)成像望远镜

Space Solar extreme ultraviolet(EUV) imaging telescope

太阳极紫外和X射线成像观测是空间天气研究的重要内容,空间太阳极紫外(EUV)成像望远镜是为空间天气研究和预报研制的仪器。介绍了国内外太阳极紫外和X射线成像的发展状况,在此基础上引入19.5nm成像观测的科学目标。阐述了望远镜光学系统和成像相机传感器的设计。前者包括光学结构和基本参数、光学窗口的选择、多层膜设计、光学系统仿真结果;后者包括两种不同成像传感器的对比和选择、控制系统的设计。

Space solar extreme ultraviolet(EUV) imaging telescope is developed for space weather research and forecasting.The domestic and foreign development of EUV imaging telescope is stated,the scientific goals of 19.5nm imaging are introduced.The detail design of optical structure of this telescope is described,including optical structure,choices of basic parameters and windows,multilayer coating,and the optical system simulation.A detailed description of the camera sensor is presented from its control system designing to the structure frame.Two different kinds of imaging sensor are compared,and a choice is made.The test result of CCD camera is given.