IVOLGA: a high-resolution heterodyne near-infrared spectroradiometer for Doppler studies of Venus atmospheric dynamics

Sergei Zenevich; Iskander Sh. Gazizov; Maxim V. Spiridonov; Alexander V Rodin

doi:10.1117/12.2632630

17 May 2022 IVOLGA: a high-resolution heterodyne near-infrared spectroradiometer for Doppler studies of Venus atmospheric dynamics

Sergei Zenevich, Iskander Sh. Gazizov, Maxim V. Spiridonov, Alexander V Rodin

Author Affiliations +

Proceedings Volume 12138, Optics, Photonics and Digital Technologies for Imaging Applications VII; 1213811 (2022) https://doi.org/10.1117/12.2632630
Event: SPIE Photonics Europe, 2022, Strasbourg, France

Conference Poster

Abstract

The unusual dynamics of the Venus atmosphere remains one of the most intriguing puzzles of our sister planet. IVOLGA (an oriole - a Russian abbreviation to “Fiber Infrared Heterodyne Analyzer”) will be the first-ever spaceborne instrument to measure transmittance spectra of Venus atmosphere with an ultra-high spectral resolution (≥1 000 000) in the near-infrared. The instrument’s capability to observe the fully resolved shape of individual lines in CO₂ rovibrational bands at 1.6 – 2 um opens an opportunity to retrieve information about the chemical composition, wind velocity, and temperature of the sounded atmospheric layers. Observations will provide data on wind and temperature profiles in the altitude range of 75-140 km with a high vertical resolution by sounding the atmosphere of Venus in solar occultation mode. The instrument based on commercial telecommunication optical and electronic components is a compact, affordable and reliable unit, planned to be launched onboard the Venus Orbiter Mission of the Indian Space Research Organization.

Conference Presentation

Citation Download Citation

Sergei Zenevich, Iskander Sh. Gazizov, Maxim V. Spiridonov, and Alexander V Rodin "IVOLGA: a high-resolution heterodyne near-infrared spectroradiometer for Doppler studies of Venus atmospheric dynamics", Proc. SPIE 12138, Optics, Photonics and Digital Technologies for Imaging Applications VII, 1213811 (17 May 2022); https://doi.org/10.1117/12.2632630

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