偏振不均匀的部分相干阵列光束的传输特性

IF 0.7 4区物理与天体物理 Q4 OPTICS

Optica Applicata Pub Date : 2023-01-01 DOI:10.37190/oa230211

Xianyang Yang, Wenyu Fu

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引用次数: 0

摘要

研究了一类新的非均匀极化部分相干阵列波束——径向极化高斯-谢尔模型阵列(RPGSMA)波束，基于相干和极化统一理论分析了该波束的可靠性条件，并详细研究了该波束在自由空间中传播的统计特性。研究发现，RPGSMA光束的传播特性与初始光束参数密切相关。通过对光束参数的合理选择，平均光强会演化为光学点阵图，相干度(DOC)从原平面的点阵分布演化为远场的高斯分布，偏振度(DOP)在传播过程中呈现周期性的网格状分布。这些结果可能有助于粒子捕获和自由空间光通信。

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Propagation properties of partially coherent array beams with a non-uniform polarization

We study a new class of partially coherent array beams with a non-uniform polarization, named radially polarized Gaussian Schell-model array (RPGSMA) beams and analyze the reliability conditions for the array beams based on the unified theory of coherence and polarization, Moreover, the statistical properties of such beam propagating in free space are investigated in detail. It is found that, the propagation properties of the RPGSMA beams are closely related to initial beam parameters. With an appropriate choice of the beam parameters, the average intensity will evolve into optical lattice patterns, and the degree of coherence (DOC) from the lattice distribution on the original plane evolves into a Gaussian profile in the far field, and the degree of polarization (DOP) appears a periodical grid-like distribution on propagation. These results may be beneficial to particle trapping and free-space optical communications.

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来源期刊

Optica Applicata 物理-光学

CiteScore

1.00

自引率

16.70%

发文量

审稿时长

4 months

期刊介绍： Acoustooptics, atmospheric and ocean optics, atomic and molecular optics, coherence and statistical optics, biooptics, colorimetry, diffraction and gratings, ellipsometry and polarimetry, fiber optics and optical communication, Fourier optics, holography, integrated optics, lasers and their applications, light detectors, light and electron beams, light sources, liquid crystals, medical optics, metamaterials, microoptics, nonlinear optics, optical and electron microscopy, optical computing, optical design and fabrication, optical imaging, optical instrumentation, optical materials, optical measurements, optical modulation, optical properties of solids and thin films, optical sensing, optical systems and their elements, optical trapping, optometry, photoelasticity, photonic crystals, photonic crystal fibers, photonic devices, physical optics, quantum optics, slow and fast light, spectroscopy, storage and processing of optical information, ultrafast optics.