The multisensor payload 'Structura' for the observation of atmospheric night glows from the ISS board

Yury Krot; Boris Beliaev; Leonid Katkovsky

doi:10.1117/12.2241791

19 October 2016 The multisensor payload 'Structura' for the observation of atmospheric night glows from the ISS board

Yury Krot, Boris Beliaev, Leonid Katkovsky

Proceedings Volume 10000, Sensors, Systems, and Next-Generation Satellites XX; 100001U (2016) https://doi.org/10.1117/12.2241791
Event: SPIE Remote Sensing, 2016, Edinburgh, United Kingdom

Abstract

Aerospace Research Department of the Institute of Applied Physical Problems at Belarusian State University has developed a prototype of the optical payload intended for a space experiment on the ISS board. The prototype includes four optical modules for the night glows observation, in particular spatial-brightness and spectral characteristics in the altitude range of 80–320 km. Objects of the interest are emitting top layers of the atmosphere including exited OH radicals, atomic and molecular oxygen and sodium layers. The goal of the space experiment is a research of night glows over different regions of the Earth and a connection with natural disasters like earthquakes, cyclones, etc. Two optical modules for spatial distribution of atomic oxygen layers along the altitude consist of input lenses, spectral interferential filters and line CCD detectors. The optical module for registration of exited OH radical emissions is formed from CCD array spectrometer. The payload includes also a panchromatic (400–900 nm) high sensitive imaging camera for observing of the glows general picture. The optical modules of the prototype have been tested and general optical characteristics were determined in laboratory conditions. A solution of an astigmatism reducing of a concave diffraction grating and a method of the second diffraction order correction were applied and improved spectrometer’s optical characteristics. Laboratory equipment and software were developed to imitate a dynamic scene of the night glows in laboratory conditions including an imitation of linear spectra and the spatial distribution of emissions.

Citation Download Citation

Yury Krot, Boris Beliaev, and Leonid Katkovsky "The multisensor payload 'Structura' for the observation of atmospheric night glows from the ISS board", Proc. SPIE 10000, Sensors, Systems, and Next-Generation Satellites XX, 100001U (19 October 2016); https://doi.org/10.1117/12.2241791

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KEYWORDS

Spectroscopy

Diffraction

Prototyping

Diffraction gratings

Sensors

Spatial resolution

Cameras

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