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21 November 2017 Progress in static fourier transform infrared spectroscopy: assessment of sifti preliminary performances
Philippe Hébert, Clémence Pierangelo, Alain Rosak, Elodie Cansot, Frédéric Bernard, Claude Camy-Peyret
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Proceedings Volume 10567, International Conference on Space Optics — ICSO 2006; 1056723 (2017) https://doi.org/10.1117/12.2308129
Event: International Conference on Space Optics 2006, 2006, Noordwijk, Netherlands
Abstract
The concept of static Fourier transform interferometry at thermal infrared wavelengths is well suited in the case of narrow spectral bands that are looked at for targeted molecular species as CO and O3 for pollution and air quality monitoring, or H20 and CO2 for weather forecast, down to the troposphere. It permits a high spectral resolution and a very good radiometric performance, with the advantage of a static interferometer, including no moving part. Along with other molecules sounded in the UV-VIS domain, as for instance in the TRAQ mission, SIFTI will provide scientists with a complete set for pollution measurements and air quality survey.

Our paper presents the principles of static Fourier transform spectrometry, the work led on the instrument performance model and our study of the SIFTI instrument. We describe the instrument, its main dimensions and characteristics, and its architecture and major subsystems. We eventually make a preliminary survey of the SIFTI performance budget items.

As a conclusion, we introduce the future CNES phase A study of this instrument that is started in 2006
© (2017) COPYRIGHT Society of Photo-Optical Instrumentation Engineers (SPIE). Downloading of the abstract is permitted for personal use only.
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Philippe Hébert, Clémence Pierangelo, Alain Rosak, Elodie Cansot, Frédéric Bernard, and Claude Camy-Peyret "Progress in static fourier transform infrared spectroscopy: assessment of sifti preliminary performances", Proc. SPIE 10567, International Conference on Space Optics — ICSO 2006, 1056723 (21 November 2017); https://doi.org/10.1117/12.2308129
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KEYWORDS
Sensors
Interferometers
Spectral resolution
Fourier transforms
Black bodies
Infrared radiation
Calibration
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