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Proceedings Paper

Static Fourier transform spectroscopy breadboards for atmospheric chemistry and climate
Author(s): Frank Brachet; Philippe-Jean Hébert; Elodie Cansot; Christian Buil; Antoine Lacan; Lionel Roucayrol; Etienne Courau; Frédéric Bernard; Christophe Casteras; Jacques Loesel; Clémence Pierangelo
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Paper Abstract

New types of sounders dedicated to selected species could be used on small satellites to monitor atmospheric chemistry with simpler instruments. A new kind of Fourier transform spectrometer has been patented by CNES a few years ago. Based on a static configuration, two projects are being studied at CNES with laboratory breadboards. One is dedicated to CO2 concentration monitoring in near infrared. The other one works in thermal infrared to study CO and O3 atmospheric profiles. MoLI breadboard, with a new highly integrated interferometric core, will be used for a long time measurement of CO2 concentration. MOPI is another breadboard under development to transpose this concept in thermal infrared during the SIFTI phase A study. These new generation spectrometers consist in a Michelson interferometer with staircase mirrors assembled by molecular adhesion. They are adapted to narrow spectra sounding from space and could lead to totally static and highly stabilized instruments.

Paper Details

Date Published: 27 September 2008
PDF: 11 pages
Proc. SPIE 7100, Optical Design and Engineering III, 710019 (27 September 2008); doi: 10.1117/12.797686
Show Author Affiliations
Frank Brachet, Ctr. National d'Études Spatiales (France)
Philippe-Jean Hébert, Ctr. National d'Études Spatiales (France)
Elodie Cansot, Ctr. National d'Études Spatiales (France)
Christian Buil, Ctr. National d'Études Spatiales (France)
Antoine Lacan, Ctr. National d'Études Spatiales (France)
Lionel Roucayrol, Ctr. National d'Études Spatiales (France)
Etienne Courau, Ctr. National d'Études Spatiales (France)
Frédéric Bernard, Ctr. National d'Études Spatiales (France)
Christophe Casteras, Ctr. National d'Études Spatiales (France)
Jacques Loesel, Ctr. National d'Études Spatiales (France)
Clémence Pierangelo, Ctr. National d'Études Spatiales (France)

Published in SPIE Proceedings Vol. 7100:
Optical Design and Engineering III
Laurent Mazuray; Jean-Luc Tissot; Jeffrey M. Raynor; Rolf Wartmann; Andrew Wood, Editor(s)

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