Modified Method to Detect the Turbulent Layers in the Atmospheric Boundary Layer for the Large Solar Vacuum Telescope

Shikhovtsev, Artem Yurievich; Kovadlo, Pavel Gavrilovich; Kiselev, Alexander Victorovich; Kolobov, Dmitriy Yurievich; Lukin, Vladimir Petrovich; Russkikh, Ivan Victorovich; Shikhovtsev, Maxim Yurievich

doi:10.3390/atmos12020159

Open AccessArticle

Modified Method to Detect the Turbulent Layers in the Atmospheric Boundary Layer for the Large Solar Vacuum Telescope

by

Artem Yurievich Shikhovtsev

^1,*,

Pavel Gavrilovich Kovadlo

¹,

Alexander Victorovich Kiselev

¹,

Dmitriy Yurievich Kolobov

¹

,

Vladimir Petrovich Lukin

²,

Ivan Victorovich Russkikh

¹

and

Maxim Yurievich Shikhovtsev

^1,3

¹

Institute of Solar-Terrestrial Physics SB RAS, 664033 Irkutsk, Russia

²

V.E. Zuev Institute of Atmospheric Optics SB RAS, 634055 Tomsk, Russia

³

Limnological Institute SB RAS, 664033 Irkutsk, Russia

^*

Author to whom correspondence should be addressed.

Atmosphere 2021, 12(2), 159; https://doi.org/10.3390/atmos12020159

Submission received: 15 December 2020 / Revised: 12 January 2021 / Accepted: 15 January 2021 / Published: 26 January 2021

(This article belongs to the Special Issue Atmospheric Optical Turbulence: Measuring, Forecasting, Modelling and Correcting)

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Abstract

A method to detect the atmospheric turbulent layers using a single Shack–Hartmann wavefront sensor is discussed. In order to determine the height distribution of the atmospheric turbulence above a telescope, we register the wavefront distortions at different regions of the aperture from a single light solar object moving in time. Changes of the spatial position of the solar object on the sky give us the possibility to estimate the angular shift of an object. Cross-correlation analysis of the low-frequency component of wavefront slopes spaced on the telescope aperture at different times allows us to estimate characteristics for different atmospheric layers. Knowledge of the height profiles of atmospheric turbulence as well as the Fried parameter is critical for wide-field adaptive optics (AO).

Keywords: turbulence; telescope; structure characteristic of the air refractive index; wind speed

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MDPI and ACS Style

Shikhovtsev, A.Y.; Kovadlo, P.G.; Kiselev, A.V.; Kolobov, D.Y.; Lukin, V.P.; Russkikh, I.V.; Shikhovtsev, M.Y. Modified Method to Detect the Turbulent Layers in the Atmospheric Boundary Layer for the Large Solar Vacuum Telescope. Atmosphere 2021, 12, 159. https://doi.org/10.3390/atmos12020159

AMA Style

Shikhovtsev AY, Kovadlo PG, Kiselev AV, Kolobov DY, Lukin VP, Russkikh IV, Shikhovtsev MY. Modified Method to Detect the Turbulent Layers in the Atmospheric Boundary Layer for the Large Solar Vacuum Telescope. Atmosphere. 2021; 12(2):159. https://doi.org/10.3390/atmos12020159

Chicago/Turabian Style

Shikhovtsev, Artem Yurievich, Pavel Gavrilovich Kovadlo, Alexander Victorovich Kiselev, Dmitriy Yurievich Kolobov, Vladimir Petrovich Lukin, Ivan Victorovich Russkikh, and Maxim Yurievich Shikhovtsev. 2021. "Modified Method to Detect the Turbulent Layers in the Atmospheric Boundary Layer for the Large Solar Vacuum Telescope" Atmosphere 12, no. 2: 159. https://doi.org/10.3390/atmos12020159

APA Style

Shikhovtsev, A. Y., Kovadlo, P. G., Kiselev, A. V., Kolobov, D. Y., Lukin, V. P., Russkikh, I. V., & Shikhovtsev, M. Y. (2021). Modified Method to Detect the Turbulent Layers in the Atmospheric Boundary Layer for the Large Solar Vacuum Telescope. Atmosphere, 12(2), 159. https://doi.org/10.3390/atmos12020159

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Modified Method to Detect the Turbulent Layers in the Atmospheric Boundary Layer for the Large Solar Vacuum Telescope

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