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Optical Engineering

Modeling dynamic atmospheric turbulence using temporal spectra and Karhunen–Loève decomposition
Author(s): Esdras Anzuola; Szymon Gladysz
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Paper Abstract

We introduce a method for creating temporally evolving wavefront distortions that uses Karhunen–Loève (K-L) decomposition and the associated temporal power spectra. We model the single- and multilayer cases for horizontal and vertical paths, for which spherical and plane-wave geometries must be assumed, respectively. Simulation results confirming correct representation of the spatial and temporal statistics are presented. We demonstrate that the method is able to produce dynamic wavefronts that follow the behavior predicted by the theory while introducing key advantages in terms of storage in computer memory.

Paper Details

Date Published: 16 March 2017
PDF: 9 pages
Opt. Eng. 56(7) 071508 doi: 10.1117/1.OE.56.7.071508
Published in: Optical Engineering Volume 56, Issue 7
Show Author Affiliations
Esdras Anzuola, Fraunhofer Institute of Optronics (Germany)
Szymon Gladysz, Fraunhofer Institute of Optronics (Germany)

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