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Deep space instrument design for thermal infrared imaging with MERTIS

Walter, Ingo and Zeh, T. and Helbert, Jörn and Hiesinger, Harald and Gebhardt, A. and Hirsch, Helmut and Knollenberg, Jörg and Kessler, E. and Rataj, Miroslaw and Habermeier, J. and Kaiser, S. and Peter, Gisbert (2011) Deep space instrument design for thermal infrared imaging with MERTIS. In: Infrared Remote Sensing and Instrumentation XIX, 8154. SPIE Optics + Photonics 2011, 21.-24. Aug. 2011, San Diego, Kalifornien, USA.

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MERTIS is a miniaturized thermal infrared imaging spectrometer onboard of ESA's cornerstone mission BepiColombo to Mercury. It shall provide measurements in the spectral range from 7-14 μm with a spatial resolution of maximal 300 m and 80 spectral channels in combination with radiometric measurements in the spectral range from 7-40 μm. The instrument concept therefore integrates two detector systems sharing a common optical path consisting of mirror entrance optics and reflective Offner spectrometer. Uncooled micro-bolometer and thermopile radiometer technology are implemented for lowest power consumption. Subsequent viewing of different targets including on-board calibration sources will provide the desired performance. Special attention is spent on the fully passive thermal design in the harsh environment around Mercury. The article will provide an overview of the 3 kg - instrument design and highlight the concept of the subsystems and technologies used. The status of the development process will be reported.

Item URL in elib:https://elib.dlr.de/71594/
Document Type:Conference or Workshop Item (Speech, Paper)
Title:Deep space instrument design for thermal infrared imaging with MERTIS
AuthorsInstitution or Email of AuthorsAuthors ORCID iD
Walter, Ingoingo.walter (at) dlr.deUNSPECIFIED
Zeh, T.Kayser-Threde GmbH, MünchenUNSPECIFIED
Helbert, Jörnjoern.helbert (at) dlr.deUNSPECIFIED
Hiesinger, HaraldUniversität MünsterUNSPECIFIED
Gebhardt, A.Fraunhofer IOFUNSPECIFIED
Hirsch, HelmutAstro- und Feinwerktechnik Adlershof GmbH, BerlinUNSPECIFIED
Knollenberg, Jörgjoerg.knollenberg (at) dlr.deUNSPECIFIED
Kessler, E.Institute of Photonik Technology, JenaUNSPECIFIED
Rataj, MiroslawPolish Academy of Science, Space Research CenterUNSPECIFIED
Kaiser, S.Kayser-Threde GmbHUNSPECIFIED
Peter, Gisbertgisbert.peter (at) dlr.deUNSPECIFIED
Date:September 2011
Journal or Publication Title:Infrared Remote Sensing and Instrumentation XIX
Refereed publication:Yes
Open Access:No
Gold Open Access:No
In ISI Web of Science:No
Series Name:Proceedings of SPIE
Keywords:thermal, infrared, imaging, spectrometer, micro-bolometer, radiometer, miniaturized design, calibration
Event Title:SPIE Optics + Photonics 2011
Event Location:San Diego, Kalifornien, USA
Event Type:international Conference
Event Dates:21.-24. Aug. 2011
HGF - Research field:Aeronautics, Space and Transport, Aeronautics, Space and Transport, Aeronautics, Space and Transport (old)
HGF - Program:Space, Space, Space (old)
HGF - Program Themes:Space Science and Exploration, other, W EW - Erforschung des Weltraums
DLR - Research area:Raumfahrt, Raumfahrt, Space
DLR - Program:R EW - Erforschung des Weltraums, R - no assignment, W EW - Erforschung des Weltraums
DLR - Research theme (Project):R - Vorhaben BepiColombo (old), R - no assignment, W - Vorhaben BepiColombo (old)
Location: Berlin-Adlershof
Institutes and Institutions:Institute of Planetary Research
Optical Information Systems
Deposited By: Dombrowski, Ute
Deposited On:14 Nov 2011 06:58
Last Modified:14 Nov 2011 06:58

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