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

Mark E. Frink; Peter J. Jarecke; Mark A. Folkman; Robert E. Wright Jr.

doi:10.1117/12.152859

25 August 1993 Far-IR spectral response measurements of the Clouds and the Earth's Radiant Energy System (CERES) sensors using a Fourier transform spectrometer and pyroelectric reference detector

Mark E. Frink, Peter J. Jarecke, Mark A. Folkman, Robert E. Wright Jr.

Author Affiliations +

Proceedings Volume 1939, Sensor Systems for the Early Earth Observing System Platforms; (1993) https://doi.org/10.1117/12.152859
Event: Optical Engineering and Photonics in Aerospace Sensing, 1993, Orlando, FL, United States

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.

Citation Download Citation

Mark E. Frink, Peter J. Jarecke, Mark A. Folkman, and Robert E. Wright Jr. "Far-IR spectral response measurements of the Clouds and the Earth's Radiant Energy System (CERES) sensors using a Fourier transform spectrometer and pyroelectric reference detector", Proc. SPIE 1939, Sensor Systems for the Early Earth Observing System Platforms, (25 August 1993); https://doi.org/10.1117/12.152859

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