An alternative optical design for x-ray telescopes

Fabio E. Zocchi; Dervis Vernani

doi:10.1117/12.736413

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20 September 2007 An alternative optical design for x-ray telescopes

Fabio E. Zocchi, Dervis Vernani

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Proceedings Volume 6688, Optics for EUV, X-Ray, and Gamma-Ray Astronomy III; 66880B (2007) https://doi.org/10.1117/12.736413
Event: Optical Engineering + Applications, 2007, San Diego, California, United States

Abstract

A two-reflection optical design for nested X-ray telescopes is described in which the two grazing incidence angles are equal for each ray collected by each mirror, so that the total reflectivity is maximized. A specific design is discussed and its optical performances are compared to a reference type I Wolter optics. In the selected design scenario, a 16% reduction in the number of mirror shells and a 6% increase of the effective area between 1 keV and 10 keV is achieved, along with a small 2.6% decrease of the angular resolution over 12 armin field of view.

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Fabio E. Zocchi and Dervis Vernani "An alternative optical design for x-ray telescopes", Proc. SPIE 6688, Optics for EUV, X-Ray, and Gamma-Ray Astronomy III, 66880B (20 September 2007); https://doi.org/10.1117/12.736413

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