Laguerre Gaussian beam multiplexing through turbulence

Abderrahmen Trichili; Thandeka Mhlanga; Darryl Naidoo; Angela Dudley; Mourad Zghal; Andrew Forbes

doi:10.1117/12.2062217

2 October 2014 Laguerre Gaussian beam multiplexing through turbulence

Abderrahmen Trichili, Thandeka Mhlanga, Darryl Naidoo, Angela Dudley, Mourad Zghal, Andrew Forbes

Proceedings Volume 9194, Laser Beam Shaping XV; 91941A (2014) https://doi.org/10.1117/12.2062217
Event: SPIE Optical Engineering + Applications, 2014, San Diego, California, United States

Abstract

We analyze the effect of atmospheric turbulence on the propagation of multiplexed Laguerre Gaussian modes. We present a method to multiplex Laguerre Gaussian modes using digital holograms and decompose the resulting field after encountering a laboratory simulated atmospheric turbulence. The proposed technique makes use of a single spatial light modulator for the generation of superimposed beam and a second spatial light modulator and a CCD camera for the modal decomposition. The obtained results demonstrate how sensitive the Laguerre Gaussian beams are to atmospheric distortions.

Citation Download Citation

Abderrahmen Trichili, Thandeka Mhlanga, Darryl Naidoo, Angela Dudley, Mourad Zghal, and Andrew Forbes "Laguerre Gaussian beam multiplexing through turbulence", Proc. SPIE 9194, Laser Beam Shaping XV, 91941A (2 October 2014); https://doi.org/10.1117/12.2062217

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