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FDTD analysis on the effect of plasma parameters on the reflection coefficient of the electromagnetic wave

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Abstract

In this paper, the dielectric constant of dispersive medium is written as rational polynomial function, and the relationship between D and E is derived in time-domain. It is named shift operator FDTD (SO-FDTD) method. Compared to the analytical solution, the high accuracy and efficiency of this method is verified by calculating the reflection coefficient of the electromagnetic wave through a cold plasma slab. The effect on reflection coefficient is calculated by using the SO-FDTD method. The result shows that some factors effect on reflection coefficient. They are as follows: plasma thickness, electron density, electron distribution and incident frequency. And on most conditions, parabola distribution helps reduce reflection coefficient more effectively than homogeneous distribution.

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Authors and Affiliations

  1. Department of Physics, Nanjing Agricultural University, Nanjing, 210095, P.R. China

    H. W. Yang

  2. Department of Communication Engineering, Nanjing University of Science and Technology, Nanjing, 210094, P.R. China

    R. S. Chen

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  1. H. W. Yang
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  2. R. S. Chen
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Correspondence to H. W. Yang.

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Yang, H.W., Chen, R.S. FDTD analysis on the effect of plasma parameters on the reflection coefficient of the electromagnetic wave. Opt Quant Electron 39, 1245–1252 (2007). https://doi.org/10.1007/s11082-008-9195-8

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  • DOI: https://doi.org/10.1007/s11082-008-9195-8

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