Gokce, Muhsin CanerGökçe, Muhsin CanerBaykal, YahyaElektronik ve Haberleşme Mühendisliği2018-09-142018-09-142018Gökçe, M.C., Baykal, y. (2018). Aperture averaging in strong oceanic turbulence. Optics Communications, 413, 196-199. http://dx.doi.org/ 10.1016/j.optcom.2017.12.0590030-40181873-0310https://doi.org/10.1016/j.optcom.2017.12.059Receiver aperture averaging technique is employed in underwater wireless optical communication (UWOC) systems to mitigate the effects of oceanic turbulence, thus to improve the system performance. The irradiance flux variance is a measure of the intensity fluctuations on a lens of the receiver aperture. Using the modified Rytov theory which uses the small-scale and large-scale spatial filters, and our previously presented expression that shows the atmospheric structure constant in terms of oceanic turbulence parameters, we evaluate the irradiance flux variance and the aperture averaging factor of a spherical wave in strong oceanic turbulence. Irradiance flux variance variations are examined versus the oceanic turbulence parameters and the receiver aperture diameter are examined in strong oceanic turbulence. Also, the effect of the receiver aperture diameter on the aperture averaging factor is presented in strong oceanic turbulence. (C) 2017 Elsevier B.V. All rights reserved.eninfo:eu-repo/semantics/closedAccessOptical CommunicationsOceanic PropagationAperture AveragingIrradiance Flux VarianceArticle41319619910.1016/j.optcom.2017.12.0592-s2.0-85039778144WOS:000425123400030Q3Q2