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Proceedings Paper • Open Access

SWIFTS-LA : an unprecedently small static imaging Fourier transform spectrometer
Author(s): E. le Coarer; N. Guérineau; G. Martin; S. Rommeluère; Y. Ferrec; Bernard Schmitt

Paper Abstract

SWIFTS spectrometer is already known for its exceptional compactness and robustness. Despite its ability to reach very high spectral resolution such as R<150000, its sensitivity is relatively poor because it exploits single mode waveguides. SWIFTS-LA ("LA" stands for "Large Aperture") is a new device belonging to the generation of Static Fourier imaging spectrometers dedicated to high spectral resolution measurements. Inspired from MICROSPOC and SWIFTS technologies, we will show how this new device exploits stationary waves in high refractive index materials to get a very small spectrometer with a very high angular acceptance. This spectrometer is intimately coupled to infrared or visible detectors making them very stable, compact and sensitive. We will present some results demonstrating preliminary performances and quality of signal reconstruction. Based on these results, we will show how an implementation of SWIFTS-LA can meet at least CARBONSAT specifications in just a few litres spacecraft and how these principles can be implemented for planetary mission imaging spectrometers.

Paper Details

Date Published: 17 November 2017
PDF: 7 pages
Proc. SPIE 10563, International Conference on Space Optics — ICSO 2014, 105634J (17 November 2017); doi: 10.1117/12.2304159
Show Author Affiliations
E. le Coarer, Univ. Grenoble Alpes (France)
CNRS (France)
N. Guérineau, ONERA (France)
G. Martin, Univ. Grenoble Alpes (France)
CNRS (France)
S. Rommeluère, ONERA (France)
Y. Ferrec, ONERA (France)
Bernard Schmitt, Univ. Grenoble Alpes (France)
CNES (France)

Published in SPIE Proceedings Vol. 10563:
International Conference on Space Optics — ICSO 2014
Zoran Sodnik; Bruno Cugny; Nikos Karafolas, Editor(s)

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