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Integration and testing of an imaging spectrometer for earth observation

 
: Peschel, T.; Beier, M.; Damm, C.; Hartung, J.; Jende, R.; Müller, S.; Rohde, M.; Gebhardt, A.; Risse, S.; Walter, I.; Sebastian, I.; Krutz, D.

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Volltext ()

Sodnik, Z. ; Society of Photo-Optical Instrumentation Engineers -SPIE-, Bellingham/Wash.:
International Conference on Space Optics, ICSO 2018 : Chania, Greece, 9-12 October 2018
Bellingham, WA: SPIE, 2019 (Proceedings of SPIE 11180)
ISBN: 978-1-5106-3077-2
Paper 111800O, 7 S.
International Conference on Space Optics (ICSO) <12, 2018, Chania>
Englisch
Konferenzbeitrag, Elektronische Publikation
Fraunhofer IOF ()

Abstract
The DLR Earth Sensing Imaging Spectrometer (DESIS) is a space-based hyperspectral instrument developed by Deutsches Zentrum für Luft-und Raumfahrt (DLR). The optical system of the spectrometer was fabricated and prealigned by the Fraunhofer-Institut für Angewandte Optik und Feinmechanik (IOF). The paper describes the manufacturing, integration, and testing of this optical system. It was realized as an all reflective system using metal-based mirrors and a modular, so-called snap-together approach, which allows to simplify the integration of optical systems considerably. Measured r.m.s. wavefront errors of the complete system are in the range of 63 nm to 120 nm, which is compliant with the instrument's requirements.

: http://publica.fraunhofer.de/dokumente/N-574836.html