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.

引用

页数：12

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