Spectral analysis of low temperature thermal emitters for spectrally accurate IR scene projection

Marten Wiehn; Miriam Wolmeringer; Michael Henrichsen

doi:10.1117/12.3030934

1 November 2024 Spectral analysis of low temperature thermal emitters for spectrally accurate IR scene projection

Marten Wiehn, Miriam Wolmeringer, Michael Henrichsen

Author Affiliations +

Proceedings Volume 13200, Electro-Optical and Infrared Systems: Technology and Applications XXI; 132000S (2024) https://doi.org/10.1117/12.3030934
Event: Security + Defence, 2024, Edinburgh, United Kingdom

Abstract

Multispectral IR imaging sensors provide an additional dimension of data compared to conventional devices. Testing and validating these detectors require a spectrally controlled and reproducible test scene. IR scene simulators aim to generate a realistic IR scene using artificial IR emitters and optical components. To ensure both spatial and spectral accuracy of the scene, it is crucial to have precise knowledge of the spectral characteristics of these components. This work focuses on the investigation of low-temperature thermal emitter spectra. We utilize a grating spectrometer in combination with quantum IR detectors to determine the emission spectra of thermal IR sources. The entire system is calibrated to accurately record the spectra of arbitrary thermal IR emitters. In summary, this study provides the basis for a physically accurate IR scene simulation setup, with particular emphasis on spectral realism.

Conference Presentation

(2024) Published by SPIE. Downloading of the abstract is permitted for personal use only.

Citation Download Citation

Marten Wiehn, Miriam Wolmeringer, and Michael Henrichsen "Spectral analysis of low temperature thermal emitters for spectrally accurate IR scene projection", Proc. SPIE 13200, Electro-Optical and Infrared Systems: Technology and Applications XXI, 132000S (1 November 2024); https://doi.org/10.1117/12.3030934

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