Opto-mechanical design of the MTG FCI spectral separation assembly

Franҫois Riguet; Emmanuel Brousse; Jean-Louis Carel; Justine Cottenye; David Harmann; Marc Joncour; Houssine Makhlouf; Daniel Mouricaud; Meihdi Oussalah; Jacques Rodolfo

doi:10.1117/12.2190987

23 September 2015 Opto-mechanical design of the MTG FCI spectral separation assembly

Franҫois Riguet, Emmanuel Brousse, Jean-Louis Carel, Justine Cottenye, David Harmann, Marc Joncour, Houssine Makhlouf, Daniel Mouricaud, Meihdi Oussalah, Jacques Rodolfo

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Proceedings Volume 9626, Optical Systems Design 2015: Optical Design and Engineering VI; 96261Y (2015) https://doi.org/10.1117/12.2190987
Event: SPIE Optical Systems Design, 2015, Jena, Germany

Abstract

The Spectral Separation Assembly is a key component of the Flexible Combined Imager, an instrument that will be on-board Meteosat Third Generation. It splits the input beam coming from the telescope into five spectral groups, for a total of 16 channels, from 0.4 to 13.3 μm. It comprises a set of four dichroics separators followed by four collimating optics for the infrared spectral groups, which feed the cold imaging optics. The visible spectral group is directly imaged on a detector. This paper presents the optical design of the assembly, the mechanical mounting of the optical components, and the coatings developed for the dichroics, mirrors and lenses.

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Franҫois Riguet, Emmanuel Brousse, Jean-Louis Carel, Justine Cottenye, David Harmann, Marc Joncour, Houssine Makhlouf, Daniel Mouricaud, Meihdi Oussalah, and Jacques Rodolfo "Opto-mechanical design of the MTG FCI spectral separation assembly", Proc. SPIE 9626, Optical Systems Design 2015: Optical Design and Engineering VI, 96261Y (23 September 2015); https://doi.org/10.1117/12.2190987

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