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MERTIS: from laboratory to Mercury

Helbert, Jörn and Säuberlich, Thomas and Paproth, Carsten and Walter, Ingo and Arnold, Gabriele and Hiesinger, Harald (2008) MERTIS: from laboratory to Mercury. In: Infrared Remote Sensing and Instrumentation XVI, 7082. SPIE. Infrared Spaceborne Remote Sensing and Instrumentation XVI, 11.-13. Aug. 2008, San Diego, CA, USA.

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Official URL: http://spiedigitallibrary.org/proceedings/resource/2/psisdg/7082/1/70820L_1?isAuthorized=no


MERTIS (MERcury Thermal infrared Imaging Spectrometer) is an advanced infrared remote sensing instrument that is part of the ESA mission BepiColombo to planet Mercury. The enabling technology that allows sending the first spectrometer for the thermal infrared spectral range to Mercury is an uncooled microbolometer. With this detector the instrument can be operated in the hot environment of Mercury without the need for a cryogenic cooling system. The challenge is the characterization and calibration of the instrument. We are reporting on the ongoing calibration efforts including laboratory measurements of analogue materials, end-to-end simulations and a detailed characterization of all components and discuss each of the three elements. The measurement of planetary analogue materials in grain sizes <25 μm and at temperatures up to 500°C relevant for Mercury's surface provide a realistic input signal for the end-to-end simulation. A radiometric and a spectroscopic breadboard model of MERTIS are used to derive all necessary parameters of the instrument, for example the spectral resolution or the wavelength registration on the detector. This parameters support setting up the end-to-end simulation which can then process the spectra of the planetary analog materials as input signal to create a realistic representation of the MERTIS output signal.

Item URL in elib:https://elib.dlr.de/68632/
Document Type:Conference or Workshop Item (Speech, Paper)
Title:MERTIS: from laboratory to Mercury
AuthorsInstitution or Email of AuthorsAuthor's ORCID iD
Helbert, Jörnjoern.helbert (at) dlr.deUNSPECIFIED
Säuberlich, Thomasthomas.saeuberlich (at) dlr.deUNSPECIFIED
Paproth, Carstencarsten.paproth (at) dlr.deUNSPECIFIED
Walter, Ingoingo.walter (at) dlr.deUNSPECIFIED
Arnold, GabrieleGabriele.Arnold (at) dlr.deUNSPECIFIED
Hiesinger, HaraldWestfälische Wilhelms-Universität MünsterUNSPECIFIED
Date:11 August 2008
Journal or Publication Title:Infrared Remote Sensing and Instrumentation XVI
Refereed publication:Yes
Open Access:No
Gold Open Access:No
In ISI Web of Science:No
EditorsEmailEditor's ORCID iD
Series Name:Proceedings of SPIE
Keywords:infrared spectroscopy, calibration, remote sensing, imaging systems, emission, optical systems
Event Title:Infrared Spaceborne Remote Sensing and Instrumentation XVI
Event Location:San Diego, CA, USA
Event Type:international Conference
Event Dates:11.-13. Aug. 2008
HGF - Research field:Aeronautics, Space and Transport (old)
HGF - Program:Space (old)
HGF - Program Themes:W EW - Erforschung des Weltraums
DLR - Research area:Space
DLR - Program:W EW - Erforschung des Weltraums
DLR - Research theme (Project):W - Vorhaben BepiColombo (old)
Location: Berlin-Adlershof
Institutes and Institutions:Institute of Planetary Research > Planetary Physics
Optical Information Systems
Deposited By: Kappel, David
Deposited On:24 Jan 2011 07:34
Last Modified:24 Jan 2011 07:34

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