On the design of wide-field x-ray telescopes

被引：0
|
作者：
Elsner, Ronald F. [1 ]
O'Dell, Stephen L. [1 ]
Ramsey, Brian D. [1 ]
Weisskopf, Martin C. [1 ]
机构：
[1] NASA Marshall Space Flight Ctr, Space Sci Off, Huntsville, AL 35812 USA
来源：
OPTICS FOR EUV, X-RAY, AND GAMMA-RAY ASTRONOMY IV | 2009年 / 7437卷
关键词：
X-ray astronomy; X-ray optics; ray trace; wide field-of-view optimization; GRAZING-INCIDENCE OPTICS; OPTIMIZATION;
D O I：
10.1117/12.831262
中图分类号：
P1 [天文学];
学科分类号：
0704 ;
摘要：
X-ray telescopes having a relatively wide field-of-view and spatial resolution vs. polar off-axis angle curves much flatter than the parabolic dependence characteristic of Wolter I designs are of great interest for surveys of the X-ray sky and potentially for study of the Sun's X-ray emission. We discuss the various considerations affecting the design of such telescopes, including the possible use of polynomial mirror surface prescriptions, a method of optimizing the polynomial coefficients, scaling laws for mirror segment length vs. intersection radius, the loss of on-axis spatial resolution, and the positioning of focal plane detectors.
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页数：12
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