Optimization of geometrical design of nested conical Wolter-I X-ray telescope  

作　　者：穆宝忠 刘宏颖 金慧俊 杨夏军 王芳芳 李文彬 陈鸿 王占山 

机构地区：[1]Institute of Precision Optical Engineering,Physics Department,Tongji University

出　　处：《Chinese Optics Letters》2012年第10期79-82,共4页中国光学快报（英文版）

基　　金：supported by the National Natural Science Foundation of China (Nos. 10978002, 11027507, and 10825521);the National International Cooperation Program between China and Japan (No. 2008DFA01920);the Shanghai Science and Technology Development Fund (No.10QA1406900.);the New Century Excellent Talents in University

摘　　要：Optical design of nested conical Wolter I X-ray telescope covering energy band from 1 to 30 keV is investigated systematically. Recurrence relation of the nested structure is deduced, and the impact of the initial parameters on the performance is analyzed. Due to the need for hard X-ray astronomical observations in China, the initial structure is presented, for which six groups of W/B4C aperiodic multilayer coatings between the innermost and the outermost shell of the mirror are designed. The effective area, resolution, and field of view are calculated in the simulation. The results show that the effective area can achieve 71 cm^2 and the field of view can achieve 13 at 30 keV. The resolution is estimated to be ～10 in half-power diameter.Optical design of nested conical Wolter I X-ray telescope covering energy band from 1 to 30 keV is investigated systematically. Recurrence relation of the nested structure is deduced, and the impact of the initial parameters on the performance is analyzed. Due to the need for hard X-ray astronomical observations in China, the initial structure is presented, for which six groups of W/B4C aperiodic multilayer coatings between the innermost and the outermost shell of the mirror are designed. The effective area, resolution, and field of view are calculated in the simulation. The results show that the effective area can achieve 71 cm^2 and the field of view can achieve 13 at 30 keV. The resolution is estimated to be ～10 in half-power diameter.

关 键 词：Hard coatings Optical design Spacecraft equipment X rays 

分 类 号：TH743[机械工程—光学工程]