1. Compact high-resolution spaceborne echelle grating spectrometer with acousto-optical tunable filter based order sorting for the infrared domain from 22 to 43 μm
- Author
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Oleg Korablev, Jean-Pierre Dubois, Lieve De Vos, Benny Bach, Emiel Van Ransbeeck, I. Vinogradov, Roland Clairquin, Stijn Glorieux, Ann Baeke, Yuri Kalinnikov, Dennis Nevejans, Eddy Neefs, Eric Villard, W. Moelans, Sophie Berkenbosch, Belgian Institute for Space Aeronomy / Institut d'Aéronomie Spatiale de Belgique (BIRA-IASB), OIP Sensor Systems, Space Research Institute of the Russian Academy of Sciences (IKI), Russian Academy of Sciences [Moscow] (RAS), Service d'aéronomie (SA), and Université de Versailles Saint-Quentin-en-Yvelines (UVSQ)-Université Pierre et Marie Curie - Paris 6 (UPMC)-Institut national des sciences de l'Univers (INSU - CNRS)-Centre National de la Recherche Scientifique (CNRS)
- Subjects
Physics ,Absorption spectroscopy ,Spectrometer ,business.industry ,Infrared ,Materials Science (miscellaneous) ,01 natural sciences ,Industrial and Manufacturing Engineering ,[SDU.ASTR.IM]Sciences of the Universe [physics]/Astrophysics [astro-ph]/Instrumentation and Methods for Astrophysic [astro-ph.IM] ,010309 optics ,Optics ,Cardinal point ,Band-pass filter ,Filter (video) ,0103 physical sciences ,Optoelectronics ,Business and International Management ,business ,010303 astronomy & astrophysics ,Diffraction grating ,Echelle grating - Abstract
A new compact spaceborne high-resolution spectrometer developed for the European Space Agency's Venus Express spacecraft is described. It operates in the IR wavelength range of 2.2 to 4.3 microm and measures absorption spectra of minor constituents in the Venusian atmosphere. It uses a novel echelle grating with a groove density of 4 lines/mm in a Littrow configuration in combination with an IR acousto-optic tunable filter for order sorting and an actively cooled HgCdTe focal plane array of 256 by 320 pixels. It is designed to obtain an instrument line profile of 0.2 cm(-1). First results on optical and spectral properties are reported.
- Published
- 2006
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