Scattering of an electromagnetic wave from a planar waveguide structure with a slightly 2D random surface

T. Kawanishi, H. Ogura, Z. L. Wang

研究成果: Article査読

15 被引用数 (Scopus)

抄録

This paper deals with the scattering of an electromagnetic (EM) wave from a waveguide structure with a slightly rough surface. The waveguide structure is a dielectric film on a planar, perfectly conductive surface, and the top of the film is a two-dimentional (2D) homogeneous Gaussian random surface. The treatment is based on the stochastic functional thoery where the random EM field is represented in terms of a Wiener-Hermite functional of the random surface. Numerical calculations show that enhanced backscattering and cross-polarization occur, but that no enhanced satellite peak appears for a 2D random surface, in contrast to the case of a 1D surface. The enhanced backscattering is caused by the interference of two double-scattering processes and is attributed to the existence of guided waves in the scattering structure.

本文言語English
ページ(範囲)35-64
ページ数30
ジャーナルWaves Random Media
7
1
DOI
出版ステータスPublished - 1997 1
外部発表はい

ASJC Scopus subject areas

  • Physics and Astronomy(all)

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