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Proceedings Paper

Far-IR spectral response measurements of the Clouds and the Earth's Radiant Energy System (CERES) sensors using a Fourier transform spectrometer and pyro-electric reference detector
Author(s): Mark E. Frink; Peter J. Jarecke; Mark A. Folkman; Robert E. Wright
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Paper Abstract

The clouds and the Earth's radiant energy system (CERES) program continues the long term monitoring of the Earth's radiant energy budget begun by the Earth Radiation Budget Experiment (ERBE) scanning radiometer instruments. The CERES instrument contains three thermal detector based radiometers with broadband spectral responses. The relative spectral responses must be characterized at far infrared wavelengths out to 200 micrometers in support of absolute radiometric calibration. This will be accomplished with a Fourier transform spectrometer as a spectral source, relay optics and a vacuum chamber containing the sensors. This facility currently under development for the CERES program will measure end-to-end sensor spectral response relative to a spectrally flat well characterized reference detector also located in the vacuum chamber. Facility design and controls on the measurement process to assure spectral accuracy are discussed.

Paper Details

Date Published: 25 August 1993
PDF: 10 pages
Proc. SPIE 1939, Sensor Systems for the Early Earth Observing System Platforms, (25 August 1993); doi: 10.1117/12.152859
Show Author Affiliations
Mark E. Frink, TRW Space & Electronics Group (United States)
Peter J. Jarecke, TRW Space & Electronics Group (United States)
Mark A. Folkman, TRW Space & Electronics Group (United States)
Robert E. Wright, NASA Langley Research Ctr. (United States)

Published in SPIE Proceedings Vol. 1939:
Sensor Systems for the Early Earth Observing System Platforms
William L. Barnes, Editor(s)

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