Infrared radiance comparator

Alain Janest; Georges Negro; Marcel Fanjeaux

doi:10.1117/12.161541

15 November 1993 Infrared radiance comparator

Alain Janest, Georges Negro, Marcel Fanjeaux

Proceedings Volume 1938, Recent Advances in Sensors, Radiometric Calibration, and Processing of Remotely Sensed Data; (1993) https://doi.org/10.1117/12.161541
Event: Optical Engineering and Photonics in Aerospace Sensing, 1993, Orlando, FL, United States

Abstract

The Infrared Radiance Comparator was designed for the French setting of the International Scale Temperatures (IST 90). This apparatus is devoted to high accuracy calibration of radiative sources (black bodies, tungsten ribbon lamps) for the 250 K - 2500 K temperature scale. The basic concept used for this instrument minimizes the systematic errors well known in this metrology field by measuring the critical parameters (effective wavelength of internal interference filter, linearity defects of the analog signal of the detector, polarization ratio of measured radiatives sources). Some secondary devices are used for the in-situ measurements of these critical parameters.

Citation Download Citation

Alain Janest, Georges Negro, and Marcel Fanjeaux "Infrared radiance comparator", Proc. SPIE 1938, Recent Advances in Sensors, Radiometric Calibration, and Processing of Remotely Sensed Data, (15 November 1993); https://doi.org/10.1117/12.161541

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