Measurements and comparison of the probability density and covariance functions of laser beam intensity fluctuations in a hot-air turbulence emulator with the maritime atmospheric environment

C. Nelson; S. Avramov-Zamurovic; R. Malek-Madani; O. Korotkova; R. Sova; F. Davidson

doi:10.1117/12.951931

24 October 2012 Measurements and comparison of the probability density and covariance functions of laser beam intensity fluctuations in a hot-air turbulence emulator with the maritime atmospheric environment

C. Nelson, S. Avramov-Zamurovic, R. Malek-Madani, O. Korotkova, R. Sova, F. Davidson

Author Affiliations +

Proceedings Volume 8517, Laser Communication and Propagation through the Atmosphere and Oceans; 851707 (2012) https://doi.org/10.1117/12.951931
Event: SPIE Optical Engineering + Applications, 2012, San Diego, California, United States

Abstract

A hot-air turbulence emulator is employed for generating controlled optical clear air turbulence in the weak fluctuation regime in laboratory conditions. The analysis of the first and second-order statistical moments of the fluctuating intensity of a propagating infra-red (IR) laser beam through the turbulence emulator is made and the results are compared with bi-directional shore-to-ship maritime data collected during two 2009 mid-Atlantic Coast field tests utilizing single-mode adaptive optics terminals at a range of 10.7 km, as well as with a 633 nm Helium Neon laser propagating across land and water at the United States Naval Academy.

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C. Nelson, S. Avramov-Zamurovic, R. Malek-Madani, O. Korotkova, R. Sova, and F. Davidson "Measurements and comparison of the probability density and covariance functions of laser beam intensity fluctuations in a hot-air turbulence emulator with the maritime atmospheric environment", Proc. SPIE 8517, Laser Communication and Propagation through the Atmosphere and Oceans, 851707 (24 October 2012); https://doi.org/10.1117/12.951931

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