SYSIPHE: focus on SIELETERS, the medium and longwave infrared spectral imaging instrument

Yann Ferrec; Laurent Rousset-Rouvière; Christophe Coudrain; Jérôme Primot; Sophie Thétas; Alain Kattnig

doi:10.1117/12.2050368

28 May 2014 SYSIPHE: focus on SIELETERS, the medium and longwave infrared spectral imaging instrument

Yann Ferrec, Laurent Rousset-Rouvière, Christophe Coudrain, Jérôme Primot, Sophie Thétas, Alain Kattnig

Proceedings Volume 9104, Spectral Imaging Sensor Technologies: Innovation Driving Advanced Application Capabilities; 910403 (2014) https://doi.org/10.1117/12.2050368
Event: SPIE Sensing Technology + Applications, 2014, Baltimore, MD, United States

Abstract

Sysiphe is an airborne hyperspectral imaging system, result of a cooperation between France (Onera and DGA) and Norway (NEO and FFI). It is a unique system by its spatial sampling -0.5m with a 500m swath at a ground height of 2000m- combined with its wide spectral coverage -from 0.4μm to 11.5μm in the atmospheric transmission bands. Its infrared component, named Sieleters, consists in two high étendue imaging static Fourier transform spectrometers, one for the midwave infrared and one for the longwave infrared. These two imaging spectrometers have very close design, since both are made of a Michelson interferometer, a refractive imaging system, and a large IRFPA (1016x440 pixels). Moreover, both are cryogenic and mounted on their own stabilization platform which allows at once to actively control and independently measure the line of sigh. These data are useful to reconstruct and to georeference the spectral image from the raw interferometric images. Sysiphe first flight occurred in September, 2013.

Citation Download Citation

Yann Ferrec, Laurent Rousset-Rouvière, Christophe Coudrain, Jérôme Primot, Sophie Thétas, and Alain Kattnig "SYSIPHE: focus on SIELETERS, the medium and longwave infrared spectral imaging instrument", Proc. SPIE 9104, Spectral Imaging Sensor Technologies: Innovation Driving Advanced Application Capabilities, 910403 (28 May 2014); https://doi.org/10.1117/12.2050368

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