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Proceedings Paper

Test and calibration of the AIRS instrument
Author(s): Kenneth Overoye; Hartmut H. Aumann; Margaret H. Weiler; George W. Gigioli Jr.; William Shaw; Ed Frost; Thomas McKay
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Paper Abstract

A test system and set of procedures have been developed to fully test and calibrate the Atmospheric Infrared Sounder (AIRS), a facility instrument on NASA's EOS PM platform. The system has been used to test and calibrate, under simulated space conditions, the spatial, spectral, radiometric and polarization characteristics of AIRS for each of its 2378 spectral bands covering the IR range from 3.7 and 15.4 micrometer. Unique challenges included spectral line shape and out of band response characterizations over 3 decades of the response function, accurate radiometric response calibration for IR source brightness temperatures from 195 to 357 K, spectral channel center and width determinations to 3 ppm of wavelength, spatial co-registration determination of the 2378 bands to 0.002 degrees and polarization response determination over all bands. Measured sensitivity, spectral response and polarization response for the AIRS instrument met or bettered requirements. The test systems developed to meet these objectives are described and the procedures and summary results of testing are presented.

Paper Details

Date Published: 6 December 1999
PDF: 12 pages
Proc. SPIE 3759, Infrared Spaceborne Remote Sensing VII, (6 December 1999); doi: 10.1117/12.372674
Show Author Affiliations
Kenneth Overoye, Lockheed Martin IR Imaging Systems (United States)
Hartmut H. Aumann, Jet Propulsion Lab. (United States)
Margaret H. Weiler, Lockheed Martin IR Imaging Systems (United States)
George W. Gigioli Jr., Lockheed Martin IR Imaging Systems (United States)
William Shaw, Lockheed Martin IR Imaging Systems (United States)
Ed Frost, Lockheed Martin IR Imaging Systems (United States)
Thomas McKay, Lockheed Martin IR Imaging Systems (United States)

Published in SPIE Proceedings Vol. 3759:
Infrared Spaceborne Remote Sensing VII
Marija Strojnik; Bjorn F. Andresen, Editor(s)

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