Numerical Study on Microwave Scattering by Various Plasma Objects

WANG Guibin (王桂滨); ZHANG Lin (张林); HE Feng (何锋); OUYANG Jiting (欧阳吉庭)

doi:10.1088/1009-0630/18/8/01

Plasma Science and Technology > 2016 > 18(8): 791-797. > DOI: 10.1088/1009-0630/18/8/01

WANG Guibin (王桂滨), ZHANG Lin (张林), HE Feng (何锋), OUYANG Jiting (欧阳吉庭). Numerical Study on Microwave Scattering by Various Plasma Objects[J]. Plasma Science and Technology, 2016, 18(8): 791-797. DOI: 10.1088/1009-0630/18/8/01

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Numerical Study on Microwave Scattering by Various Plasma Objects

School of Physics, Beijing Institute of Technology, Beijing 100081, China

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Received Date: October 14, 2015

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Abstract

Abstract

The scattering features of microwave (MW) by planar plasma layer, plasma column and plasma-column array under different parameters have been numerically studied by the finite-difference time-domain (FDTD) method. The effects of the plasma frequency and electron collision rate on MW’s reflectance, transmittance and absorptance are examined. The results show that for the planar plasma layer, the electron collision plays an important role in MW absorption and the reduction of wave reflection. In the plasma column condition, strong scattering occurs in certain directions. The scattering pattern depends on the plasma frequency, electron collision rate and column radius. A collisional, non-planar shaped plasma object like the plasma-column array can reduce signi?cantly the wave reflection comparing with the planar plasma layer.
- plasma,
- microwave,
- scattering feature,
- FDTD method

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Numerical Study on Microwave Scattering by Various Plasma Objects