A diffraction-limited Wolter nested-shell telescope concept with pico-radian resolution

Mark L. Schattenburg; Ralf K. Heilmann; Herman L. Marshall; Brandon D. Chalifoux; Erin Kara

doi:10.1117/12.2562496

13 December 2020 A diffraction-limited Wolter nested-shell telescope concept with pico-radian resolution

Mark L. Schattenburg, Ralf K. Heilmann, Herman L. Marshall, Brandon D. Chalifoux, Erin Kara

Proceedings Volume 11444, Space Telescopes and Instrumentation 2020: Ultraviolet to Gamma Ray; 114441F (2020) https://doi.org/10.1117/12.2562496
Event: SPIE Astronomical Telescopes + Instrumentation, 2020, Online Only

Abstract

We present a novel nested-shell Wolter x-ray telescope design that can achieve diffraction-limited performance over the entire telescope aperture. The new design features a compact single-spacecraft mirror assembly, similar in form to that proposed for Lynx, and a separate detector spacecraft. A wide range of design parameter space was considered. We present a specific example which features 10 micro-arcsec resolution, a wide band (0.1-10 keV) with > 2 m2 effective area out to 10 keV, a large flat field (>1010 pixels), achieving diffraction-limited performance (Strehl ratio > 0.8). We will also briefly discuss a potential science case for this telescope.

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Mark L. Schattenburg, Ralf K. Heilmann, Herman L. Marshall, Brandon D. Chalifoux, and Erin Kara "A diffraction-limited Wolter nested-shell telescope concept with pico-radian resolution", Proc. SPIE 11444, Space Telescopes and Instrumentation 2020: Ultraviolet to Gamma Ray, 114441F (13 December 2020); https://doi.org/10.1117/12.2562496

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KEYWORDS

Mirrors

Telescopes

X-ray telescopes

Chromatic aberrations

Diffraction

Feature extraction

Sensors

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