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Proceedings Paper

Validity of Kolmogorov turbulence at higher elevations
Author(s): Arkadi Zilberman; Ephim Golbraikh; Norman S. Kopeika
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Paper Abstract

Most models of optical radiation propagation through turbulent media are based on the assumption that turbulence is of Kolmogorov's type. It is assumed, also, that this type of turbulence corresponds to fluctuations of passive scalar field (temperature, aerosol, etc.). In the present report we demonstrate that in a real atmosphere (above the surface layer) the turbulent field of passive scalar fluctuations can differ from Kolmogorov’s model. From the spectrum of the intensity fluctuation of LIDAR signals scattered by aerosol concentration inhomogeneities, the behavior of atmospheric turbulence spectrum (power law exponent γ) is estimated. As follows from the experimental data the power law exponent of the turbulent spectra should be different from the case of purely Kolmogorov's (-5/3).

Paper Details

Date Published: 16 June 2004
PDF: 8 pages
Proc. SPIE 5338, Free-Space Laser Communication Technologies XVI, (16 June 2004); doi: 10.1117/12.532388
Show Author Affiliations
Arkadi Zilberman, Ben-Gurion Univ. of the Negev (Israel)
Ephim Golbraikh, Ben-Gurion Univ. of the Negev (Israel)
Norman S. Kopeika, Ben-Gurion Univ. of the Negev (Israel)

Published in SPIE Proceedings Vol. 5338:
Free-Space Laser Communication Technologies XVI
Steve Mecherle; Cynthia Y. Young; John S. Stryjewski, Editor(s)

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