HIRDLS instrument radiometric calibration black body targets

Christopher L. Hepplewhite; Robert E. J. Watkins; Frederick Row; John J. Barnett; Daniel M. Peters; Christopher W. P. Palmer; Roger Wolfenden; Karim Djotni; Philip I. Arter

doi:10.1117/12.507489

10 November 2003 HIRDLS instrument radiometric calibration black body targets

Christopher L. Hepplewhite, Robert E. J. Watkins, Frederick Row, John J. Barnett, Daniel M. Peters, Christopher W. P. Palmer, Roger Wolfenden, Karim Djotni, Philip I. Arter

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Proceedings Volume 5152, Infrared Spaceborne Remote Sensing XI; (2003) https://doi.org/10.1117/12.507489
Event: Optical Science and Technology, SPIE's 48th Annual Meeting, 2003, San Diego, California, United States

Abstract

The pre-launch calibration of the HIRDLS instrument took place in a dedicated facility at the University of Oxford. One aspect of this calibration was the determination of the response of the instrument to black body radiation. This was achieved with the use of purpose built full aperture black body targets which were mounted in the vacuum chamber together with all of the calibration equipment. Special attention was placed on the absolute knowledge of the emission from these targets. This was done through a combination of thermometric sensor calibration traceable to the International Temperature Standard (ITS-90), surface emission measurements, cavity design and modeling and controlling the stray light sources in the vacuum chamber. This paper describes the design requirements, implementation and performance achieved.

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Christopher L. Hepplewhite, Robert E. J. Watkins, Frederick Row, John J. Barnett, Daniel M. Peters, Christopher W. P. Palmer, Roger Wolfenden, Karim Djotni, and Philip I. Arter "HIRDLS instrument radiometric calibration black body targets", Proc. SPIE 5152, Infrared Spaceborne Remote Sensing XI, (10 November 2003); https://doi.org/10.1117/12.507489

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