海洋湍流中部分相干圆极化涡旋光束特性研究

IF 2.6 3区物理与天体物理 Q2 PHYSICS, MULTIDISCIPLINARY Physics Letters A Pub Date : 2025-06-15 Epub Date: 2025-04-02 DOI:10.1016/j.physleta.2025.130513

Rui Cong, Dajun Liu, Yan Yin, Haiyang Zhong, Yaochuan Wang, Guiqiu Wang

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引用次数: 0

摘要

介绍了部分相干圆偏振涡旋光束的表达式，推导了部分相干圆偏振涡旋光束在海洋湍流中的矩阵元。研究了这种PCCPVB的强度和相干性的演变。在传播过程中，PCCPVB的圆环形状会逐渐失去并变成斑图，σ和M较小的PCCPVB会更快地变成斑图。当PCCPVB在自由空间传播时，其强度表现为平坦型，而在海洋湍流中，其强度表现为高斯型。在海洋湍流中，PCCPVB的相干性比相同的PCCPVB在自由空间中的相干性下降更快。研究结果可应用于圆偏振光水下光学系统。

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Research on characteristics of partially coherent circularly polarized vortex beam in oceanic turbulence

The expression of partially coherent circularly polarized vortex beams (PCCPVBs) is introduced, and the matrix elements of a PCCPVB in oceanic turbulence are derived. The evolution of intensity and coherence of such PCCPVB is studied. The ring shape of a PCCPVB will gradually lose and become a spot pattern during propagation, and the PCCPVB with a smaller

σ

, and

M

will become a spot pattern more quickly. The intensity of a PCCPVB can show the flat profile when this PCCPVB propagates in free space, and the same PCCPVB in oceanic turbulence can show the Gaussian profile. The coherence of a PCCPVB in oceanic turbulence will decrease faster than the same PCCPVB in free space. The results may find application in underwater optical systems using circularly polarized beams.

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来源期刊

Physics Letters A 物理-物理：综合

CiteScore

5.10

自引率

3.80%

发文量

493

审稿时长

30 days

期刊介绍： Physics Letters A offers an exciting publication outlet for novel and frontier physics. It encourages the submission of new research on: condensed matter physics, theoretical physics, nonlinear science, statistical physics, mathematical and computational physics, general and cross-disciplinary physics (including foundations), atomic, molecular and cluster physics, plasma and fluid physics, optical physics, biological physics and nanoscience. No articles on High Energy and Nuclear Physics are published in Physics Letters A. The journal''s high standard and wide dissemination ensures a broad readership amongst the physics community. Rapid publication times and flexible length restrictions give Physics Letters A the edge over other journals in the field.