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Proceedings Paper

Effect of a modified spectrum on aperture averaging of optical scintillation
Author(s): Erich L. Bass; Brian D. Lackovic; Larry C. Andrews
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Paper Abstract

The aperture-averaging factor associated with optical scintilations of unbounded plane and spherical waves is calculated for the weak fluctuation regime using a modified spectrum of refractive-index fluctuations that features a high wave number bump. Previous analyses were based on more conventional spectral models and the results were limited to asymptotic regimes depending on the ratio of the first Fresnel zone size (L/k)1/2 to inner scale l0. Simple interpolation formulas are developed here for all such ratios, and comparisons of results with numerical integration values and experimental data show excellent agreement.

Paper Details

Date Published: 29 June 1994
PDF: 7 pages
Proc. SPIE 2222, Atmospheric Propagation and Remote Sensing III, (29 June 1994); doi: 10.1117/12.178048
Show Author Affiliations
Erich L. Bass, Univ. of Central Florida (United States)
Brian D. Lackovic, Univ. of Central Florida (United States)
Larry C. Andrews, Univ. of Central Florida (United States)

Published in SPIE Proceedings Vol. 2222:
Atmospheric Propagation and Remote Sensing III
Walter A. Flood; Walter B. Miller, Editor(s)

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