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Effects of Anisotropic Turbulence on Propagation Characteristics of Partially Coherent Beams with Spatially Varying Coherence
Open AccessArticle

Propagation of Optical Coherence Vortex Lattices in Turbulent Atmosphere

1
School of Physical Science and Technology, Soochow University, Suzhou 215006, China
2
Center of Light Manipulations and Applications & Shandong Provincial Key Laboratory of Optics and Photonic Device, School of Physics and Electronics, Shandong Normal University, Jinan 250014, China
*
Authors to whom correspondence should be addressed.
Appl. Sci. 2018, 8(12), 2476; https://doi.org/10.3390/app8122476
Received: 30 October 2018 / Revised: 25 November 2018 / Accepted: 27 November 2018 / Published: 3 December 2018
(This article belongs to the Special Issue Recent Advances in Statistical Optics and Plasmonics)
Propagation properties in the turbulence atmosphere of the optical coherence vortex lattices (OCVLs) are explored by the recently developed convolution approach. The evolution of spectral density distribution, the normalized M 2 -factor, and the beam wander of the OCVLs propagating through the atmospheric turbulence with Tatarskii spectrum are illustrated numerically. Our results show that the OCVLs display interesting propagation properties, e.g., the initial Gaussian beam distribution will evolve into hollow array distribution on propagation and finally becomes a Gaussian beam spot again in the far field in turbulent atmosphere. Furthermore, the OCVLs with large topological charge, large beam array order, large relative distance, and small coherence length are less affected by the negative effects of turbulence. Our results are expected to be used in the complex system optical communications. View Full-Text
Keywords: optical coherence vortex lattices; atmospheric turbulence; evolution properties; free-space optical communications optical coherence vortex lattices; atmospheric turbulence; evolution properties; free-space optical communications
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MDPI and ACS Style

Huang, Y.; Yuan, Y.; Liu, X.; Zeng, J.; Wang, F.; Yu, J.; Liu, L.; Cai, Y. Propagation of Optical Coherence Vortex Lattices in Turbulent Atmosphere. Appl. Sci. 2018, 8, 2476.

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