Average intensity and beam quality of optical coherence lattices in oceanic turbulence with anisotropy

Optics Express
Xianwei HuangXiquan Fu

Abstract

Based on the extended Huygens-Fresnel principle, we have derived the analytical expression of the average intensity of optical coherence lattices (OCLs) in oceanic turbulence with anisotropy, and then the beam quality parameters including the Strehl ratio (SR) and the power-in-the-bucket (PIB) are obtained. One can find that the OCLs will eventually evolve into Gaussian shape with the periodicity reciprocity gradually breaking down when propagating through the anisotropic ocean water, and that the trend of evolving into Gaussian can be accelerated for increasing the ratio of temperature and salinity contributions to the refractive index spectrum ω, the lattice constant a and the rate of dissipation of mean square temperature χT or decreasing the anisotropic factor ξ and the rate of dissipation of turbulent kinetic energy per unit mass of fluid ε. Further, the SR and PIB in the target plane under the effects of oceanic parameters are discussed in detail, and the SR and PIB can be increased for the larger ξ and ε or the smaller χT and ω, namely, the beam quality becomes better. Our results can find potential application in the future optical communication system in an oceanic environment.

References

Jun 7, 2002·Journal of the Optical Society of America. A, Optics, Image Science, and Vision·Kurt Bernardo Wolf, Guillermo Krötzsch
Aug 15, 2014·Journal of the Optical Society of America. A, Optics, Image Science, and Vision·Yalçın Ata, Yahya Baykal
Dec 10, 2014·Optics Letters·Liyuan Ma, Sergey A Ponomarenko
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Sep 16, 2016·Optics Letters·Xianlong LiuSergey A Ponomarenko
Jan 7, 2017·Journal of the Optical Society of America. A, Optics, Image Science, and Vision·Xiaofeng PengYahya Baykal

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Citations

Nov 2, 2019·Journal of the Optical Society of America. A, Optics, Image Science, and Vision·Zhenzhen SongBo Liu
Dec 25, 2019·Journal of the Optical Society of America. A, Optics, Image Science, and Vision·Muhsin Caner Gökçe

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