In-flight performance and calibration of SPICAV SOIR onboard Venus Express
Applied Optics, Vol. 47, Issue 13, pp. 2252-2265 (2008)
http://dx.doi.org/10.1364/AO.47.002252
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Abstract
Solar occultation in the infrared, part of the Spectoscopy for Investigation of Characteristics of the Atmosphere of Venus (SPICAV) instrument onboard Venus Express, combines an echelle grating spectrometer with an acousto-optic tunable filter (AOTF). It performs solar occultation measurements in the IR region at high spectral resolution. The wavelength range probed allows a detailed chemical inventory of Venus’s atmosphere above the cloud layer, highlighting the vertical distribution of gases. A general description of the instrument and its in-flight performance is given. Different calibrations and data corrections are investigated, in particular the dark current and thermal background, the nonlinearity and pixel-to-pixel variability of the detector, the sensitivity of the instrument, the AOTF properties, and the spectral calibration and resolution.
© 2008 Optical Society of America
OCIS Codes
(010.1280) Atmospheric and oceanic optics : Atmospheric composition
(050.1950) Diffraction and gratings : Diffraction gratings
(120.0280) Instrumentation, measurement, and metrology : Remote sensing and sensors
(120.6200) Instrumentation, measurement, and metrology : Spectrometers and spectroscopic instrumentation
(230.1040) Optical devices : Acousto-optical devices
(300.6340) Spectroscopy : Spectroscopy, infrared
ToC Category:
Instrumentation, Measurement, and Metrology
History
Original Manuscript: November 12, 2007
Revised Manuscript: February 29, 2008
Manuscript Accepted: March 11, 2008
Published: April 25, 2008
Citation
Arnaud Mahieux, Sophie Berkenbosch, Roland Clairquin, Didier Fussen, Nina Mateshvili, Eddy Neefs, Dennis Nevejans, Bojan Ristic, Ann Carine Vandaele, Valérie Wilquet, Denis Belyaev, Anna Fedorova, Oleg Korablev, Eric Villard, Franck Montmessin, and Jean-Loup Bertaux, "In-flight performance and calibration of SPICAV SOIR onboard Venus Express," Appl. Opt. 47, 2252-2265 (2008)
http://www.opticsinfobase.org/ao/abstract.cfm?URI=ao-47-13-2252
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