Title: Calibration facility for airborne imaging spectrometers
Authors: GEGE PeterFRIES JochenHASCHBERGER PeterSCHOETZ PaulSCHWARZER HorstSTROBL PeterSUHR BirgitULBRICH GerdVREELING Willem Jan
Citation: ISPRS JOURNAL OF PHOTOGRAMMETRY AND REMOTE SENSING vol. 64 no. 4 p. 387-397
Publisher: ELSEVIER SCIENCE BV
Publication Year: 2009
JRC N°: JRC56560
ISSN: 0924-2716
URI: http://www.sciencedirect.com/science/article/pii/S0924271609000124
http://publications.jrc.ec.europa.eu/repository/handle/JRC56560
DOI: 10.1016/j.isprsjprs.2009.01.006
Type: Articles in periodicals and books
Abstract: A new facility designed to perform calibration measurements of airborne imaging spectrometers was established at the German Aerospace Center (DLR) in Oberpfaffenhofen. This Calibration Home Base (CHB) is optimized to characterize radiometrically, spectrally, and geometrically the APEX (Airborne Prism Experiment) imaging spectrometer, which is currently being developed under the authority of the European Space Agency (ESA). It however can be used for other optical sensors as well. Computer control of major laboratory equipment allows automation of time consuming measurements. In APEX configuration (wavelength range: 380 to 2500 nm, instantaneous field of view: 0.48 mrad, field of view: 14) spectral measurements can be performed to a wavelength uncertainty of 0:15 nm, geometric measurements at increments of 0.0017 mrad across track and 0.0076 mrad along track, and radiometric measurements to an uncertainty of 3% relative to national standard. The CHB can be adapted to similar sensors (including those with thermal infrared detectors) by exchanging the monochromator's lamp, the gratings and the filters, and by adjusting the distance between the sensor and folding mirror.
JRC Directorate:Sustainable Resources

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