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Optical phase shift changes of 2D graphene on a substrate

机译:基板上的2D石墨烯的光学相移变化

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.In this paper, we study the phase shift changes of graphene with two different configurations. One of the configurations is a graphene with infinitesimal thickness that we counted as surface conductivity in formulation. Another one is a graphene with a finite thickness d(g), and with an effective dielectric permitivity g. The transmission and reflection spectra of the proposed configurations are studied based on the Maxwell's equations and the using transfer matrix method. The phase shift changes have been investigated for substrate permitivitties, the ambient temperature variations, and various chemical potentials of graphene. Differences between the phase shift changes of the two models are seen in both reflection and transmission spectra.
机译:本文研究了石墨烯的相移变化,具有两种不同的配置。 其中一个配置是一种具有无穷厚的石墨烯,其被测为配方中的表面电导率。 另一个是具有有限厚度D(g)的石墨烯,具有有效的介电比率g。 基于MaxWell的等式和使用传输矩阵方法研究了所提出的配置的传输和反射光谱。 已经研究了相移变化,用于底物允许,环境温度变化和石墨烯的各种化学电位。 两种模型的相移变化之间的差异在反射和传输光谱中看到。

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