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Optical design of imaging spectrometer for atmosphere monitoring from near-Earth orbit
Author(s): Yury Dobrolenskiy; Ilya Dziuban; Yuriy Ivanov; Ivan Syniavskyi; Dmitry Ionov; Anatoly Poberovsky; Oleg Korablev; Anna Fedorova; Nikita Vyazovetskiy
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Paper Abstract

We describe a concept of a satellite imaging spectrometer dedicated for monitoring of the Earth atmosphere operating in the visible and near ultraviolet spectral range. The instrument targets measurements of total ozone as well as other gases (nitrogen dioxide, oxygen and its dimer etc). The instantaneous field of view (IFOV) across track reaches 100° allowing to obtain global daily maps of trace gases content when operating from a typical orbit. The optical concept and design of the instrument, which consists of the entrance unit, two spectrometric channels (for two wavelength ranges) and the calibration unit are described. We also discuss the results of the optical modeling, confirming the proposed characteristics: the spectral resolution of 0.3 nm for the range 300 – 400 nm and 0.5 nm for the range 400 – 800 nm. The angular resolution is ~ 0.5° in both channels that corresponds to ~6×6 km area on the Earth surface for nadir direction from a 700-km orbit.

Paper Details

Date Published: 5 June 2018
PDF: 8 pages
Proc. SPIE 10690, Optical Design and Engineering VII, 1069029 (5 June 2018); doi: 10.1117/12.2312021
Show Author Affiliations
Yury Dobrolenskiy, Space Research Institute (Russian Federation)
Ilya Dziuban, Space Research Institute (Russian Federation)
Yuriy Ivanov, The National Academy of Sciences of Ukraine (Ukraine)
Ivan Syniavskyi, The National Academy of Sciences of Ukraine (Ukraine)
Dmitry Ionov, Saint Petersburg State Univ. (Russian Federation)
Anatoly Poberovsky, Saint Petersburg State Univ. (Russian Federation)
Oleg Korablev, Space Research Institute (Russian Federation)
Anna Fedorova, Space Research Institute (Russian Federation)
Nikita Vyazovetskiy, Space Research Institute (Russian Federation)


Published in SPIE Proceedings Vol. 10690:
Optical Design and Engineering VII
Laurent Mazuray; Rolf Wartmann; Andrew P. Wood, Editor(s)

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