物理
极化(电化学)
极化度
湍流
旋涡
涡流
拓扑量子数
光学
计算物理学
斯托克斯参量
圆极化
散射
机械
量子力学
化学
物理化学
微带线
作者
Qian Xu,Yonggen Xu,Liang Zhao,Wenli Liu,Yongtao Liu
出处
期刊:Physica Scripta
[IOP Publishing]
日期:2023-09-05
卷期号:98 (10): 105504-105504
被引量:1
标识
DOI:10.1088/1402-4896/acf3a4
摘要
Abstract Analytical formulas for the normalized spectral Stokes parameters of the partially coherent radially and azimuthally polarized beams with vortex phase (i.e., PCRPV and PCAPV beams) propagating through the turbulent atmosphere are derived. The polarization properties of PCRPV and PCAPV beams in atmospheric turbulence have been studied in detail. Our findings show that different correlation lengths induce nonuniform distribution to degree of polarization (DOP) and the normalized spectral Stokes parameters. And different correlation lengths also cause the polarization singularity splitting. Besides, we find also that the vortex phase will lead to the rotation of distributions of orientation angles and the normalized spectral Stokes parameters of PCRPV and PCAPV beams in turbulence, and the rotation degree will become obvious with increasing topological charge number. It can be found also that larger topological charge number can reduce the speed of polarization singularities destroyed by atmospheric turbulence, meaning that PCRPV and PCAPV beams with a larger topological charge has a stronger ability to resist atmospheric turbulence. Our studies could be important for free-space optical communications and polarization lidar system.
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