海洋湍流中部分相干径向极化离轴双涡旋光束特性研究

IF 4.6 2区物理与天体物理 Q1 OPTICS

Optics and Laser Technology Pub Date : 2025-05-28 DOI:10.1016/j.optlastec.2025.113264

Luli Chen , Dajun Liu , Honglin Gao , Aiyi Dong , Yaochuan Wang

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引用次数: 0

摘要

利用相干理论给出了部分相干径向偏振离轴双涡旋光束的表达式。推导了PCRPOADVB在各向异性海洋湍流中的传播矩阵。讨论了初始参数与性能之间的关系。PCRPOADVB的形状由离轴位置、相干长度、两个拓扑充电器和传播距离调制。PCRPOADVB的形状可以呈多点分布，在传播过程中逐渐变成离轴的类高斯形状，在较强的海洋湍流中，PCRPOADVB会更快地变成点。PCRPOADVB的极化受海洋湍流、拓扑电荷和传播距离的影响。研究结果可用于海洋湍流环境下的无线光通信。

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Research on characteristics of partially coherent radially polarized off-axis double vortex beam in oceanic turbulence

The expressions of a partially coherent radially polarized off-axis double vortex beam (PCRPOADVB) are given using the coherence theory. The propagation matrix of a PCRPOADVB in anisotropic oceanic turbulence is derived. The relationships between initial parameters and properties are discussed. The shapes of a PCRPOADVB are modulated by off-axis positions, coherence length, two topological chargers, and propagation distance. The shapes of a PCRPOADVB can have a multi-spot distribution and gradually become an off-axis Gaussian-like shape during propagation, and a PCRPOADVB in stronger oceanic turbulence will become a spot more quickly. The polarization of a PCRPOADVB is affected by oceanic turbulence, topological charges, and propagation distance. The results may be applied in wireless optical communication in oceanic turbulence.

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来源期刊

Optics and Laser Technology 物理-光学

CiteScore

8.50

自引率

10.00%

发文量

1060

审稿时长

3.4 months

期刊介绍： Optics & Laser Technology aims to provide a vehicle for the publication of a broad range of high quality research and review papers in those fields of scientific and engineering research appertaining to the development and application of the technology of optics and lasers. Papers describing original work in these areas are submitted to rigorous refereeing prior to acceptance for publication. The scope of Optics & Laser Technology encompasses, but is not restricted to, the following areas: •development in all types of lasers •developments in optoelectronic devices and photonics •developments in new photonics and optical concepts •developments in conventional optics, optical instruments and components •techniques of optical metrology, including interferometry and optical fibre sensors •LIDAR and other non-contact optical measurement techniques, including optical methods in heat and fluid flow •applications of lasers to materials processing, optical NDT display (including holography) and optical communication •research and development in the field of laser safety including studies of hazards resulting from the applications of lasers (laser safety, hazards of laser fume) •developments in optical computing and optical information processing •developments in new optical materials •developments in new optical characterization methods and techniques •developments in quantum optics •developments in light assisted micro and nanofabrication methods and techniques •developments in nanophotonics and biophotonics •developments in imaging processing and systems