On the design of wide-field x-ray telescopes

Details On the design of wide-field x-ray telescopes On the design of wide-field x-ray telescopes

Aug 2009

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2009spie.7437e..13e&link_type=abstract

Optics for EUV, X-Ray, and Gamma-Ray Astronomy IV. Edited by Elsner, Ronald F.; O'Dell, Stephen L.; Ramsey, Brian D.; Weisskopf,

Physics

Optics

1

Scientific paper

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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