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Proceedings Paper

The EnMAP hyperspectral imaging spectrometer: instrument concept, calibration, and technologies
Author(s): B. Sang; J. Schubert; S. Kaiser; V. Mogulsky; C. Neumann; K.-P. Förster; S. Hofer; T. Stuffler; H. Kaufmann; A. Müller; T. Eversberg; C. Chlebek
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Paper Abstract

The Environmental Mapping and Analysis Program (EnMAP) is a German space based hyperspectral mission planned for launch in 2012. The hyperspectral instrument covers the wavelength range from 420nm to 2450nm using a dual spectrometer layout. Both f/3 spectrometers employ a prism disperser for maximum throughput and are linked to the common foreoptics by a micromechanical field splitter. Together with custom designed silicon and MCT-based detector arrays this sensor design exhibits a peak system SNR of 1000 at 495nm and of more than 300 at 2200nm. Stable and precise in orbit performance is ensured by a multi loop thermal control system and a system calibration which relies on onboard sources as well as a full aperture diffuser.

Paper Details

Date Published: 27 August 2008
PDF: 15 pages
Proc. SPIE 7086, Imaging Spectrometry XIII, 708605 (27 August 2008); doi: 10.1117/12.794870
Show Author Affiliations
B. Sang, Kayser-Threde GmbH (Germany)
J. Schubert, Kayser-Threde GmbH (Germany)
S. Kaiser, Kayser-Threde GmbH (Germany)
V. Mogulsky, Kayser-Threde GmbH (Germany)
C. Neumann, Kayser-Threde GmbH (Germany)
K.-P. Förster, Kayser-Threde GmbH (Germany)
S. Hofer, Kayser-Threde GmbH (Germany)
T. Stuffler, Kayser-Threde GmbH (Germany)
H. Kaufmann, Helmholtz-Zentrum Potsdam Deutsches GeoForschungsZentrum (Germany)
A. Müller, German Remote Sensing Ctr. (Germany)
T. Eversberg, German Aerospace Ctr. Space Agency (Germany)
C. Chlebek, German Aerospace Ctr. Space Agency (Germany)

Published in SPIE Proceedings Vol. 7086:
Imaging Spectrometry XIII
Sylvia S. Shen; Paul E. Lewis, Editor(s)

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