Abstract

We present some results obtained by numerical modeling of the propagation of vortex beams ${\mathrm{LG}}_{0l}$ through a randomly inhomogeneous medium. The vortex beams are the lower order Laguerre–Gaussian modes. Such beams, if propagated under conditions of weak turbulence, also experience distortions, like a Gaussian beam. However, the statistically averaged vortex beams (${\mathrm{LG}}_{0l}$) conserve the central intensity dip with a nonzero intensity on the beam axis. The beam broadening of vortex beams is analyzed. The average vortex beams are found to be broadened less than the Gaussian beam while propagated through a randomly inhomogeneous medium. The higher the topological charge $l$ is, the smaller the beam broadening is.

©2012 Optical Society of America

Mean intensity of vortex Bessel beams propagating in turbulent atmosphere

Igor P. Lukin
Appl. Opt. 53(15) 3287-3293 (2014)

Propagation of vector vortex beams through a turbulent atmosphere

Wen Cheng, Joseph W. Haus, and Qiwen Zhan
Opt. Express 17(20) 17829-17836 (2009)

Vortex beam propagation through atmospheric turbulence and topological charge conservation

Greg Gbur and Robert K. Tyson
J. Opt. Soc. Am. A 25(1) 225-230 (2008)

Changes in orbital-angular-momentum modes of a propagated vortex Gaussian beam through weak-to-strong atmospheric turbulence

Chunyi Chen, Huamin Yang, Shoufeng Tong, and Yan Lou
Opt. Express 24(7) 6959-6975 (2016)

Random wandering of laser beams with orbital angular momentum during propagation through atmospheric turbulence

Valerii P. Aksenov, Valeriy V. Kolosov, and Cheslav E. Pogutsa
Appl. Opt. 53(17) 3607-3614 (2014)