Propagation of flattened Gaussian beams in the atmosphere: a comparison of theory with a computer simulation model

Doris C. Cowan; Jaume Recolons; Larry C. Andrews; Cynthia Y. Young

doi:10.1117/12.669601

17 May 2006 Propagation of flattened Gaussian beams in the atmosphere: a comparison of theory with a computer simulation model

Doris C. Cowan, Jaume Recolons, Larry C. Andrews, Cynthia Y. Young

Author Affiliations +

Proceedings Volume 6215, Atmospheric Propagation III; 62150B (2006) https://doi.org/10.1117/12.669601
Event: Defense and Security Symposium, 2006, Orlando (Kissimmee), Florida, United States

Abstract

In an attempt to mitigate the effects of the atmosphere on the coherence of a laser beam, interest has recently been shown in changing the beam shape to determine if a different power distribution at the transmitter will reduce the effects of the random fluctuations in the refractive index. We develop a model for the scintillation index of a flattened Gaussian beam and compare this with that of the standard TEM₀₀ Gaussian beam. We verify our results by comparison with a computer simulated model for the flattened beam.

Citation Download Citation

Doris C. Cowan, Jaume Recolons, Larry C. Andrews, and Cynthia Y. Young "Propagation of flattened Gaussian beams in the atmosphere: a comparison of theory with a computer simulation model", Proc. SPIE 6215, Atmospheric Propagation III, 62150B (17 May 2006); https://doi.org/10.1117/12.669601

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