TWO-FREQUENCY WAVE PROPAGATION IN THE ATMOSPHERE: INTENSITY COVARIANCE AND APERTURE AVERAGING.

Z. Azar*, H. M. Loebenstein, E. Azoulay, U. Halavee, M. Tamir, M. Tur

*Corresponding author for this work

Research output: Contribution to conferencePaperpeer-review

Abstract

Summary form only given. The results are presented of an experimental investigation of the spectral degree of correlation between the turbulence-induced intensity fluctuations of two beams emanating from two independent monochromatic sources, one emitting at lambda //1 equals 1. 064 mu m and the other at lambda //2 equals 0. 6328 mu m. Measurements were made in the regime of strong fluctuations over atmospheric ranges of 1300 - 3250 m, and the effect of aperture averaging on both the spectral covariance function and various conditional two-wavelength probability density functions was monitored. The reported measurements extend those of A. S. Gurvich et al. (1979) to (a) stronger scattering conditions, (b) different aperture sizes, and (c) a larger wavelength separation.

Original languageEnglish
Pages106-107
Number of pages2
StatePublished - 1985
Externally publishedYes

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