Calculation of the Effect on the Reflection of the Plane Electromagnetic Wave for Non-Magnetized Plasma with Different Electron Density Distributions |
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Authors: | Hongwei Yang Wanchun Tang and Xiangkun Kong |
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Institution: | (1) Department of Communication Engineering, Nanjing University of Science and Technology, Nanjing, 210094, People’s Republic of China;(2) Department of Physics, Nanjing Agricultural University, Nanjing, 210095, People’s Republic of China |
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Abstract: | In this paper, shift operator finite-difference time-domain (SO-FDTD) method is applied for the calculation of the dispersive
medium. The high efficiency and accuracy of this method is verified by calculating the reflection of the plane electromagnetic
wave impinging on a non-magnetized plasma slab with different electron density distributions. The results show that the average
electron density only determines overall trends of the reflection, and different distributions affect the oscillating process
of the reflection. If the average electron density maintains the same, the distribution of electron density with homogenous
or inhomogeneous alternation will sharply take effects on the reflection. And magnitude of alternation of electron density
affects the incident frequency directly when the reflection tends to uniform. |
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Keywords: | Non-magnetized plasma Electromagnetic wave FDTD method Dispersive medium |
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