The EarthCARE broadband radiometer detectors

Christian Proulx; Fraser Williamson; Martin Allard; Georges Baldenberger; David Gay; Sonia Garcia-Blanco; Patrice Côté; Louis Martin; Carl Larouche; Samir Ilias; Tim Pope; Martin Caldwell; Kim Ward; John Delderfield

doi:10.1117/12.829935

1 September 2009 The EarthCARE broadband radiometer detectors

Christian Proulx, Fraser Williamson, Martin Allard, Georges Baldenberger, David Gay, Sonia Garcia-Blanco, Patrice Côté, Louis Martin, Carl Larouche, Samir Ilias, Tim Pope, Martin Caldwell, Kim Ward, John Delderfield

Author Affiliations +

Proceedings Volume 7453, Infrared Spaceborne Remote Sensing and Instrumentation XVII; 74530S (2009) https://doi.org/10.1117/12.829935
Event: SPIE Optical Engineering + Applications, 2009, San Diego, California, United States

Abstract

The Broadband Radiometer (BBR) is an instrument being developed for the ESA EarthCARE satellite. The BBR instrument objective is to provide top-of-atmosphere (TOA) radiance measurements in two spectral channels, and over three along-track directions. The instrument has three fixed telescopes (one for each view) each containing a broadband detector. Each detector consists of an uncooled 30-pixel linear focal plane array (FPA) coated with gold black in order to ensure uniform spectral responsivity from 0.2 μm to 50 μm. The FPA is hybridized with a readout integrated circuit (ROIC) and a proximity electronics circuit-card assembly (CCA) packaged in an aluminum base plate with cover. This paper provides a technical description of the detector design and operation. Performance data at the FPA pixel level as well as unit-level test results on early prototypes of the detectors are also presented.

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Christian Proulx, Fraser Williamson, Martin Allard, Georges Baldenberger, David Gay, Sonia Garcia-Blanco, Patrice Côté, Louis Martin, Carl Larouche, Samir Ilias, Tim Pope, Martin Caldwell, Kim Ward, and John Delderfield "The EarthCARE broadband radiometer detectors", Proc. SPIE 7453, Infrared Spaceborne Remote Sensing and Instrumentation XVII, 74530S (1 September 2009); https://doi.org/10.1117/12.829935

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