Average intensity and spreading of a Lorentz-Gauss beam in turbulent atmosphere.
The propagation of a Lorentz-Gauss beam in turbulent atmosphere is investigated. Based on the extended Huygens-Fresnel integral and the Hermite-Gaussian expansion of a Lorentz function, analytical formulae for the average intensity and the effective beam size of a Lorentz-Gauss beam are derived in turbulent atmosphere. The average intensity distribution and the spreading properties of a Lorentz-Gauss beam in turbulent atmosphere are numerically demonstrated. The influences of the beam parameters and the structure constant of the atmospheric turbulence on the propagation of a Lorentz-Gauss beam in turbulent atmosphere are also discussed in detail.
Zhou
Guoquan
G
School of Sciences, Zhejiang Forestry University, Lin'an, China. zhouguoquan178@sohu.com
Chu
Xiuxiang
X
D001272:Atmosphere / Q000737:chemistry*; D003198:Computer Simulation; D008027:Light; D015233:Models, Statistical; D017711:Nonlinear Dynamics; D016011:Normal Distribution; D012542:Scattering, Radiation