The variations of the optical distortions with height at the Baykal Astrophysical Observatory site

P. G. Kovadlo; A. V. Kiselev; D. Yu. Kolobov; V. P. Lukin; I. V. Russkih; A. Yu. Shikhovtsev; M. Yu. Shikhovtsev

doi:10.1117/12.2574993

12 November 2020 The variations of the optical distortions with height at the Baykal Astrophysical Observatory site

P. G. Kovadlo, A. V. Kiselev, D. Yu. Kolobov, V. P. Lukin, I. V. Russkih, A. Yu. Shikhovtsev, M. Yu. Shikhovtsev

Proceedings Volume 11560, 26th International Symposium on Atmospheric and Ocean Optics, Atmospheric Physics; 1156015 (2020) https://doi.org/10.1117/12.2574993
Event: 26th International Symposium on Atmospheric and Ocean Optics, Atmospheric Physics, 2020, Moscow, Russian Federation

Abstract

We propose the concept of the new SCIDAR-based method to determine the characteristics of the atmospheric turbulent layers including its heights and strength. In this paper we discuss the possibility of the estimating of the heights of the atmospheric turbulent layers from the vertical profiles (along line of sight) of dimensionless characteristics of turbulence. The method is based on the analysis of the scintillation in crossed optical beams (with temporal lag) on the spaced subapertures of single Shack-Hartmann sensor (with field of view of order 40 arc.sec.) conjugated with the aperture.

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P. G. Kovadlo, A. V. Kiselev, D. Yu. Kolobov, V. P. Lukin, I. V. Russkih, A. Yu. Shikhovtsev, and M. Yu. Shikhovtsev "The variations of the optical distortions with height at the Baykal Astrophysical Observatory site", Proc. SPIE 11560, 26th International Symposium on Atmospheric and Ocean Optics, Atmospheric Physics, 1156015 (12 November 2020); https://doi.org/10.1117/12.2574993

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