Propagation of coherent scalar vortex beams LG0L through a randomly inhomogeneous medium

Victor A. Sennikov; Peter A. Konyaev; Vladimir P. Lukin

doi:10.1117/12.2075664

25 November 2014 Propagation of coherent scalar vortex beams LG0L through a randomly inhomogeneous medium

Victor A. Sennikov, Peter A. Konyaev, Vladimir P. Lukin

Proceedings Volume 9292, 20th International Symposium on Atmospheric and Ocean Optics: Atmospheric Physics; 92921T (2014) https://doi.org/10.1117/12.2075664
Event: 20th International Symposium on Atmospheric and Ocean Optics: Atmospheric Physics, 2014, Novosibirsk, Russian Federation

Abstract

The vortex beams LG0L broadening has been investigated by numerical simulation of propagation through atmospheric turbulence. The focused and collimated beams were considered. The split-step Fourier method was used for solving scalar wave equation for a randomly inhomogeneous medium with a power-law Kolmogorov spectrum. The average intesity of collimated and focused Gaussian and vortex beams has been compared. The effective sizes are found to be broadened less than the Gaussian beam while propagated through the same medium. The higher the topological charge’s value /l/, the less the beam broadening is observed.

Citation Download Citation

Victor A. Sennikov, Peter A. Konyaev, and Vladimir P. Lukin "Propagation of coherent scalar vortex beams LG0L through a randomly inhomogeneous medium", Proc. SPIE 9292, 20th International Symposium on Atmospheric and Ocean Optics: Atmospheric Physics, 92921T (25 November 2014); https://doi.org/10.1117/12.2075664

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