Airy光束撞击石墨烯衬底表面的反射特性

IF 1.8 4区物理与天体物理 Q3 OPTICS

International Journal of Optics Pub Date : 2022-01-03 DOI:10.1155/2022/5319174

Fuping Wu, Yuanfei Hui, Z. Cui, Ju Wang

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引用次数: 0

摘要

在这项工作中，我们分析和数值研究了空气光束撞击石墨烯衬底表面的反射特性。导出了从石墨烯-衬底界面反射的airy光束的电场和磁场分量的显式解析表达式。给出并讨论了不同石墨烯结构和光束参数下反射airy光束的本场振幅、坡印亭矢量、自旋角动量和轨道角动量。结果表明，通过调制石墨烯的费米能量，可以灵活地调节airy光束的反射特性，并且与入射角度和偏振态有很强的依赖性。这些结果可能在airy光束的调制和石墨烯结构参数的精确测量中具有潜在的应用价值。

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Reflection Characteristics of Airy Beams Impinging on Graphene-Substrate Surfaces

In this work, we analytically and numerically investigate the reflection characteristics of the airy beams impinging on graphene-substrate surfaces. The explicit analytical expressions for the electric and magnetic field components of the airy beams reflected from a graphene-substrate interface are derived. The local-field amplitude, Poynting vector, and spin and orbital angular momentum of the reflected airy beams with different graphene structure and beam parameters are presented and discussed. The results show that the reflection properties of the airy beams can be flexibly tuned by modulating the Fermi energy of the graphene and have a strong dependence on the incident angle and polarization state. These results may have potential applications in the modulation of airy beams and precise measurement of graphene structure parameters.

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来源期刊

International Journal of Optics Physics and Astronomy-Atomic and Molecular Physics, and Optics

CiteScore

3.40

自引率

5.90%

发文量

审稿时长

13 weeks

期刊介绍： International Journal of Optics publishes papers on the nature of light, its properties and behaviours, and its interaction with matter. The journal considers both fundamental and highly applied studies, especially those that promise technological solutions for the next generation of systems and devices. As well as original research, International Journal of Optics also publishes focused review articles that examine the state of the art, identify emerging trends, and suggest future directions for developing fields.