Flat-topped beam transmittance in anisotropic non-Kolmogorov turbulent marine atmosphere

Yalçın Ata; Yahya Baykal

doi:10.1117/1.OE.56.10.104107

16 October 2017 Flat-topped beam transmittance in anisotropic non-Kolmogorov turbulent marine atmosphere

Yalçın Ata, Yahya Baykal

Author Affiliations +

Optical Engineering, Vol. 56, Issue 10, 104107 (October 2017). https://doi.org/10.1117/1.OE.56.10.104107

Abstract

Turbulence affects optical propagation, and, as a result, the intensity is attenuated along the path of propagation. The attenuation becomes significant when the turbulence becomes stronger. Transmittance is a measure indicating how much power is collected at the receiver after the optical wave propagates in the turbulent medium. The on-axis transmittance is formulated when a flat-topped optical beam propagates in a marine atmosphere experiencing anisotropic non-Kolmogorov turbulence. Variations in the transmittance are evaluated versus the beam source size, beam number, link distance, power law exponent, anisotropy factor, and structure constant. It is found that larger beam source sizes and beam numbers yield higher transmittance values; however, as the link distance, power law exponent, anisotropy factor, or structure constant increase, transmittance values are lowered. Our results will help in the performance evaluations of optical wireless communication and optical imaging systems operating in a marine atmosphere.

Citation Download Citation

Yalçın Ata and Yahya Baykal "Flat-topped beam transmittance in anisotropic non-Kolmogorov turbulent marine atmosphere," Optical Engineering 56(10), 104107 (16 October 2017). https://doi.org/10.1117/1.OE.56.10.104107

Received: 31 August 2017; Accepted: 25 September 2017; Published: 16 October 2017

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