Influence of spectral response dispersion on the performances of infrared imaging systems

Didier Dantes; C. Renard

doi:10.1117/12.319363

26 August 1998 Influence of spectral response dispersion on the performances of infrared imaging systems

Didier Dantes, C. Renard

Proceedings Volume 3377, Infrared Imaging Systems: Design, Analysis, Modeling, and Testing IX; (1998) https://doi.org/10.1117/12.319363
Event: Aerospace/Defense Sensing and Controls, 1998, Orlando, FL, United States

Abstract

Spectral response dispersion has a significant impact on the radiometric performances of infrared imaging system using detectors with a large amount of pixels. The main contributors of this dispersion are the detector itself, which contributes to the highest spatial dispersion, and the optical components and filters which contribute with smaller frequencies. This paper proposes a theoretical approach of the contribution of spectral response dispersion to the spatial noise, considering classical calibration methods with blackbodies. AEROSPATIALE has performed measurements of spectral response dispersion on large format 2D infrared detectors. The performances obtained taking into account these test results are given in order to identify the real weigh of spectral response dispersion effects on the infrared imaging system.

Citation Download Citation

Didier Dantes and C. Renard "Influence of spectral response dispersion on the performances of infrared imaging systems", Proc. SPIE 3377, Infrared Imaging Systems: Design, Analysis, Modeling, and Testing IX, (26 August 1998); https://doi.org/10.1117/12.319363

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