An interferometer for compact imaging spectrometer

Louis Moreau; Frédéric Grandmont; Stéphane Lantagne; Raphaël Desbiens; Marc-André Soucy

doi:10.1117/12.736911

12 September 2007 An interferometer for compact imaging spectrometer

Louis Moreau, Frédéric Grandmont, Stéphane Lantagne, Raphaël Desbiens, Marc-André Soucy

Proceedings Volume 6661, Imaging Spectrometry XII; 666109 (2007) https://doi.org/10.1117/12.736911
Event: Photonic Devices + Applications, 2007, San Diego, California, United States

Abstract

We present the recent development of a compact Michelson-like interferometer for an imaging Fourier Transform Spectrometer (IFTS). The interferometer has a mass of less than 600 g and dimensions of about 60 mm x 90 mm x 100 mm. It is designed to be stiff to reduce its sensitivity to vibrations. Its maximum optical path difference is 1 cm. Despite its small size it can support an etendue of 9.2x10^-7 m² sr. This interferometer is well suited to serve as the modulator for a small IFTS when mass and volume are restricted such as onboard planetary probes, UAV, etc. This interferometer can be adapted to a wide variety of infrared imaging detectors. It is a building block upon which can be designed a large range of custom infrared imaging spectrometers.

Citation Download Citation

Louis Moreau, Frédéric Grandmont, Stéphane Lantagne, Raphaël Desbiens, and Marc-André Soucy "An interferometer for compact imaging spectrometer", Proc. SPIE 6661, Imaging Spectrometry XII, 666109 (12 September 2007); https://doi.org/10.1117/12.736911

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