On the spectral composition of atmospheric turbulent optical distortions from observations on solar telescopes

P. G. Kovadlo; D. Yu. Kolobov; V. P. Lukin; V. V. Nosov; M. V. Eselevich; E. A. Kopylov; A. Yu. Shihovtsev; F. A. Avdeev

doi:10.1117/12.2284308

30 November 2017 On the spectral composition of atmospheric turbulent optical distortions from observations on solar telescopes

P. G. Kovadlo, D. Yu. Kolobov, V. P. Lukin, V. V. Nosov, M. V. Eselevich, E. A. Kopylov, A. Yu. Shihovtsev, F. A. Avdeev

Author Affiliations +

Proceedings Volume 10466, 23rd International Symposium on Atmospheric and Ocean Optics: Atmospheric Physics; 104660U (2017) https://doi.org/10.1117/12.2284308
Event: XXIII International Symposium, Atmospheric and Ocean Optics, Atmospheric Physics, 2017, Irkutsk, Russian Federation

Abstract

The work discusses the spatial scales of atmospheric optical distortions including the outer scale of turbulence and the Fried radius. It is assumed that the energy spectrum of atmospheric turbulence is not limited strictly [6] and the outer scale is considered in application to astronomical telescopes. In the case when the telescope diameter is larger or comparable with the outer scale the optical distortions substantially differ from the results of the Kolmogorov model. For a given diameter it is possible to introduce a certain spatial scale at distances larger than the size of which the refractive index fluctuations no longer have a significant effect on the quality of astronomical images. Estimates of the outer scale of turbulence are reported for both a atmospheric layer from 0 up to 20 km and surface layer.

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P. G. Kovadlo, D. Yu. Kolobov, V. P. Lukin, V. V. Nosov, M. V. Eselevich, E. A. Kopylov, A. Yu. Shihovtsev, and F. A. Avdeev "On the spectral composition of atmospheric turbulent optical distortions from observations on solar telescopes", Proc. SPIE 10466, 23rd International Symposium on Atmospheric and Ocean Optics: Atmospheric Physics, 104660U (30 November 2017); https://doi.org/10.1117/12.2284308

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