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12 July 2023 Miniature three-mirror telescope for the thermal infrared
Thomas Peschel, Henrik von Lukowicz, Lucas Zettlitzer, Johannes Hartung, Stefan Risse, Matthias Beier, Marius Bierdel, Max Gulde
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Proceedings Volume 12777, International Conference on Space Optics — ICSO 2022; 127772Y (2023) https://doi.org/10.1117/12.2690313
Event: International Conference on Space Optics — ICSO 2022, 2022, Dubrovnik, Croatia
Abstract
The current paper describes the optical and mechanical design of a compact Three-Mirror Anastigmate (TMA) telescope which is installed at the ISS as an earth observation demonstrator for the thermal-infrared spectral range. The TMA bases on a Korsch type design. It has a focal length of 150 mm and an aperture of F/3 and allows for a diffraction limited performance at the design wavelength of 10 μm. The ground resolution reaches 80 m from the ISS. The mechanical design fits into a design space of 80x80x150 mm3 which would correspond to 1.5 U of a typical CubeSat for the telescope or 3U for the whole instrument, respectively.
© (2023) COPYRIGHT Society of Photo-Optical Instrumentation Engineers (SPIE). Downloading of the abstract is permitted for personal use only.
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Thomas Peschel, Henrik von Lukowicz, Lucas Zettlitzer, Johannes Hartung, Stefan Risse, Matthias Beier, Marius Bierdel, and Max Gulde "Miniature three-mirror telescope for the thermal infrared", Proc. SPIE 12777, International Conference on Space Optics — ICSO 2022, 127772Y (12 July 2023); https://doi.org/10.1117/12.2690313
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KEYWORDS
Telescopes
Mirrors
Design and modelling
Infrared telescopes
Manufacturing
Thermography
Astronomical imaging
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