1Key Laboratory of Optical Field Manipulation Science and Technology, Chinese Academy of Sciences,Chengdu 610209, Sichuan , China
2School of Science, East China Jiaotong University, Nanchang 330013, Jiangxi , China
3State Key Laboratory of Optical Technologies on Nano-Fabrication and Micro-Engineering, Institute of Optics and Electronics, Chinese Academy of Sciences, Chengdu 610209, Sichuan , China
4Research Center on Vector Optical Fields, Institute of Optics and Electronics, Chinese Academy of Sciences, Chengdu 610209, Sichuan , China
5College of Materials Science and Opto-Electronic Technology, University of Chinese Academy of Sciences,Beijing 100049, China
【AIGC One Sentence Reading】：本文探讨了标量光束与矢量光束在大气湍流中的聚焦特性，通过理论推导和角谱仿真对比了不同光束在强弱湍流下的性能，发现聚焦高斯光束峰值功率密度最高，但闪烁指数也显著高于柠檬矢量光束。
【AIGC Short Abstract】：本文特邀探讨了标量光束与矢量光束在大气湍流中的聚焦特性，通过理论推导和角谱仿真，对比了高斯光束、柠檬矢量光束和径向偏振矢量光束在弱、强湍流下的性能。研究发现，聚焦高斯光束在焦平面处峰值功率密度最高，但闪烁指数也显著高于聚焦柠檬矢量光束。
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Abstract
In this study, we conduct a thorough investigation into the focusing transmission characteristics of scalar and vector beams in atmospheric turbulence by combining theoretical derivations with angular spectrum simulations. We compare the focusing performance of typical scalar beams (Gaussian beam) and vector beams (lemon vector beam and radially polarized vector beam) under weak and strong turbulent conditions. Our research reveals that, whether it is in weak or strong turbulent conditions, the focused Gaussian beam exhibits the highest average peak power density and the smallest radius of 63.2% encircled energy at the focal plane. However, its scintillation index significantly exceeds that of the focused lemon vector beam.
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