Propagation properties of standard and elegant Herimite-Gaussian beams in oceanic turbulence

Hao Wang; Fu-Zeng Kang; Wei Zhao; Yi-Chao Li

doi:10.1117/12.2553066

31 January 2020 Propagation properties of standard and elegant Herimite-Gaussian beams in oceanic turbulence

Hao Wang, Fu-Zeng Kang, Wei Zhao, Yi-Chao Li

Proceedings Volume 11427, Second Target Recognition and Artificial Intelligence Summit Forum; 114273R (2020) https://doi.org/10.1117/12.2553066
Event: Second Target Recognition and Artificial Intelligence Summit Forum, 2019, Changchun, China

Abstract

The analytical expressions of the M²-factor for laser beams propagating in oceanic turbulence are derived by using the extended Huygens-Fresnel principle and the definition of the second moment of the Wigner distribution function(WDF). Taking the standard Hermite-Gaussian (SHG) beams and elegant Hermite-Gaussian (EHG) beams as typical examples of laser beams, the propagation properties of the SHG beams and EHG beams in oceanic turbulence are analyzed quantitatively. It is shown that in oceanic turbulence the M²-factor of SHG and EHG beams are different except for beam order m=0 and m=1. At a given propagation distance, the relative M²-factor of SHG and EHG beams in turbulence monotonously decreases with increasing beam order. The relative M²-factor of SHG beams are less than those of EHG beams under the same condition, implying that turbulence influences SHG beams less than EHG beams.

Citation Download Citation

Hao Wang, Fu-Zeng Kang, Wei Zhao, and Yi-Chao Li "Propagation properties of standard and elegant Herimite-Gaussian beams in oceanic turbulence", Proc. SPIE 11427, Second Target Recognition and Artificial Intelligence Summit Forum, 114273R (31 January 2020); https://doi.org/10.1117/12.2553066

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