24 July 2014 Optical design for a survey x-ray telescope
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Abstract
Optical design trades are underway at the Goddard Space Flight Center to define a telescope for an x-ray survey mission. Top-level science objectives of the mission include the study of x-ray transients, surveying and long-term monitoring of compact objects in nearby galaxies, as well as both deep and wide-field x-ray surveys. In this paper we consider Wolter, Wolter-Schwarzschild, and modified Wolter-Schwarzschild telescope designs as basic building blocks for the tightly nested survey telescope. Design principles and dominating aberrations of individual telescopes and nested telescopes are discussed and we compare the off-axis optical performance at 1.0 KeV and 4.0 KeV across a 1.0 degree full field-of-view.
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Timo T. Saha, Timo T. Saha, William W. Zhang, William W. Zhang, Ryan S. McClelland, Ryan S. McClelland, } "Optical design for a survey x-ray telescope", Proc. SPIE 9144, Space Telescopes and Instrumentation 2014: Ultraviolet to Gamma Ray, 914418 (24 July 2014); doi: 10.1117/12.2055478; https://doi.org/10.1117/12.2055478
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