Abstract
In this paper propagation of partially coherent beam of unstable resonator through turbulent atmosphere is modelled numerically. The dominant transverse mode of resonator is achieved by Huygens-Fresnel integral using iterative calculations and profile of propagating beam is calculated by extended Huygens-Fresnel integral. The effect of atmospheric turbulence on the divergence of partial coherent beam is investigated numerically. Far filed beam distribution is calculated and using encircled (cumulative) power, beam divergence and beam diameter are calculated for different resonators in different turbulence condition. The results shows that beam divergence and the propagated beam diameter are strongly depend on the resonator size and turbulence strength, but weakly to the coherence.© (2012) COPYRIGHT Society of Photo-Optical Instrumentation Engineers (SPIE). Downloading of the abstract is permitted for personal use only.
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