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Proceedings Article

Wave optics simulation of pseudo-partially coherent beam propagation through turbulence: application to laser communications

[+] Author Affiliations
Xifeng Xiao, David Voelz

New Mexico State Univ.

Proc. SPIE 6304, Free-Space Laser Communications VI, 63040L (September 01, 2006); doi:10.1117/12.681273
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From Conference Volume 6304

  • Free-Space Laser Communications VI
  • San Diego, California, USA | August 13, 2006

abstract

It is known that partially (spatial) coherent beams can reduce the effects of scintillation in a free space optical link. However, practical implementations of this type of beam are still under investigation. In this work we apply a wave optics model to analyze the propagation through turbulence of a coherent beam and a particular version of a pseudo-partially coherent beam. The beam we study is created with a sequence of five Gaussian random phase screens for each atmospheric realization. We examine the average intensity profiles, the scintillation index and aperture averaging factor for a horizontal propagation scenario. We find this pseudo-partially coherent beam behaves much like a Gaussian Schell-model beam.

© (2006) COPYRIGHT SPIE--The International Society for Optical Engineering. Downloading of the abstract is permitted for personal use only.
Citation

Xifeng Xiao and David Voelz
"Wave optics simulation of pseudo-partially coherent beam propagation through turbulence: application to laser communications", Proc. SPIE 6304, Free-Space Laser Communications VI, 63040L (September 01, 2006); doi:10.1117/12.681273; http://dx.doi.org/10.1117/12.681273


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