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首页> 外文期刊>Optics Communications: A Journal Devoted to the Rapid Publication of Short Contributions in the Field of Optics and Interaction of Light with Matter >Abruptly autofocusing properties of radially polarized circle Pearcey vortex beams
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Abruptly autofocusing properties of radially polarized circle Pearcey vortex beams

机译：径向偏振圆珠芯横梁突然自动聚焦性质

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摘要

We introduce the radially polarized circle Pearcey vortex (RPCPV) beams for the first time and investigate their abruptly autofocusing properties by numerical simulations in this paper. Compared with the linearly polarized circle Pearcey vortex (CPV) beams (Chen et al., 2018), the light intensity of the RPCPV beams at the focal plane is greater than that of the CPV beams under the same conditions, and various special focused field patterns can be also achieved through manipulating the magnitude of topological charges of the incident beam. The abruptly autofocusing properties of RPCPV beams with the different position of the vortex (including on-axis, off-axis, and vortex pairs) have also been discussed. Furthermore, the position and the light intensity of the focus can be flexibly controlled by adjusting the parameter of the incident beam properly.
机译：我们首次介绍径向偏振的圆形珍珠丝涡流（RPCPV）梁，并通过本文的数值模拟研究其突然的自动聚焦性质。 与线性偏振圆珠氏涡流（CPV）梁（CHEN等，2018）相比，焦平面上的RPCPV光束的光强度大于CPV光束在相同条件下的光束，以及各种特殊的聚焦场 也可以通过操纵入射光束的拓扑电荷的大小来实现图案。 还讨论了具有涡流的不同位置的RPCPV光束的突然自动聚焦性质，还讨论了涡流（包括轴上，轴轴和涡旋对）。 此外，可以通过正确调节入射光束的参数来灵活地控制焦点的位置和光强度。

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