Turbulent Distance of Partially Coherent Hollow Gaussian Beams

Abstract:

For partially coherent hollow Gaussian beam (HGB), the turbulent distance, in which all of the spatial and angular spreading and the beam propagation factor increasing due to turbulence can be neglected, has been investigated in detail. It is shown that the turbulent distance of partial coherent HGBs increases with increasing beam order and wavelength, and decreasing turbulent parameter and coherent parameter. With increasing waist width, the turbulent distance first increases and then decreases. Furthermore, the turbulent distance of a HGB is much larger than that of the corresponding Gaussian Schell-model (GSM) beam when choosing the appropriate value of the waist width, implying that a HGB may be more appropriate to be used in optical communication links than a GSM beam.

• Periodical: Advanced Materials Research (Volume 321)
• Pages: 256-260
• DOI: https://doi.org/10.4028/www.scientific.net/AMR.321.256
• Online since: August 2011
• Authors: Bang Yuan Hao
• Keywords: Atmospheric Propagation, Atmospheric Turbulence, Laser Beam Transmission

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