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SMuK 2023 – wissenschaftliches Programm

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ST: Fachverband Strahlen- und Medizinphysik

ST 3: Poster Session

ST 3.1: Poster

Mittwoch, 22. März 2023, 11:00–12:30, ZEU/0146

Large-area-diode based micro-dosimeter concept for a femto- satelliteRoman Bergert, •Nico Krug, Hans-Georg Zaunick, and Kai-Thomas Brinkmann — II. Physics Institute Justus-Liebig- University Giessen

A low-budget micro-dosimeter concept based on a large area diode (5×5 mm2 sensitive area) and commercial of-the-shelf (COTS) components is designed and integrated to operate on an open-community femto-satellite platform provided by AmbaSat Ltd. The satellite platform is limited to a dimension of (3.5×3.5 cm2) with a space of about 2×2 cm2 for the dosimeter concept. Besides this challenge of space for the integration of the electronics on the platform, the challenge to operate in free harsh-space environment (radiation, vacuum, temperature) has to be overcome in the concept design. To target these challenges, several stress tests were performed, which will be presented with a performance mapping of the different components for their physical and electrical properties together with a discussion of the device performance.

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