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3 June 2024 Transmission properties of autofocusing Airy beam carrying a new kind of power-exponent vortex phase in ocean turbulence
Xiaoming Zhou, Haitao Wang, Jinghui Zhang, Chunhong Qiao, Chengyu Fan
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Proceedings Volume 13182, 2024 International Conference on Optoelectronic Information and Optical Engineering (OIOE 2024); 1318202 (2024) https://doi.org/10.1117/12.3030475
Event: 2024 International Conference on Optoelectronic Information and Optical Engineering (OIOE 2024), 2024, Kunming, China
Abstract
In this study, we employ the distributed phase screen method to simulate the transmission of Autofocusing Airy beams (AAB) with a new kind of power-exponent-phase vortex (NPEPV) through oceanic conditions, including the effects on light intensity and scintillation. We observe that during the oceanic transmission of an AAB with NPEPV, the beam's main ring progressively divides into fan-shaped sections that match the number of topological charges, with the ring maintaining its integrity without splitting at higher power indices. Furthermore, the scintillation index for AAB with NPEPV decreases as the topological charge increases, up to 400 m. Beyond this distance, the beam structure is significantly disturbed and the relationship between scintillation index and topological charge becomes irregular. Additionally, a higher power index results in a smaller scintillation index slope over the transmission distance and smoother fluctuations in the scintillation factor. At the same transmission distance, a smaller girdle radius leads to a lower scintillation index for AABs with NPEPV.
(2024) Published by SPIE. Downloading of the abstract is permitted for personal use only.
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Xiaoming Zhou, Haitao Wang, Jinghui Zhang, Chunhong Qiao, and Chengyu Fan "Transmission properties of autofocusing Airy beam carrying a new kind of power-exponent vortex phase in ocean turbulence", Proc. SPIE 13182, 2024 International Conference on Optoelectronic Information and Optical Engineering (OIOE 2024), 1318202 (3 June 2024); https://doi.org/10.1117/12.3030475
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KEYWORDS
Turbulence
Scintillation
Airy beams
Phase distribution
Optical communications
Optical transmission
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