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Proceedings Paper

Influence of turbulent fluctuations on imaging quality and compensation for distortions
Author(s): Fedor V. Shugaev; Evgeni N. Terentiev; Ludmila S. Shtemenko; Olga I. Dokukina; Oksana A. Ignateva
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Paper Abstract

There are well-known factors which provoke image distortions during the propagation of light in the atmosphere. We used the solution of the linearized unsteady 3D Navier-Stokes equations in order to model turbulent fluctuations of the refractive index.This fact may be used for the construction of point spread function (PSF) for turbulent distortions. It was found that there exists a range of natural frequency for turbulent fluctuations. Structure function and correlation function were determined as well as their temporal evolution. A large amount of numerical results is presented.

Paper Details

Date Published: 11 November 2004
PDF: 11 pages
Proc. SPIE 5572, Optics in Atmospheric Propagation and Adaptive Systems VII, (11 November 2004); doi: 10.1117/12.565482
Show Author Affiliations
Fedor V. Shugaev, Moscow Lomonosov State Univ. (Russia)
Evgeni N. Terentiev, Moscow Lomonosov State Univ. (Russia)
Ludmila S. Shtemenko, Moscow Lomonosov State Univ. (Russia)
Olga I. Dokukina, Moscow Lomonosov State Univ. (Russia)
Oksana A. Ignateva, Moscow Lomonosov State Univ. (Russia)

Published in SPIE Proceedings Vol. 5572:
Optics in Atmospheric Propagation and Adaptive Systems VII
John D. Gonglewski; Karin Stein, Editor(s)

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