Study of coherent scattering from one-dimensional rough surfaces with a mean-field theory

被引：10

作者：

Sentenac, A ^{[1
]}

Toso, G

Saillard, M

机构：

[1] Fac Sci St Jerome, CNRS 6080, Unite Propre Rech Enseignement Super Associee, Lab Opt Surfaces & Couches Minces, F-13397 Marseille 20, France

[2] Fac Sci St Jerome, CNRS 6079, Unite Propre Rech Enseignement Super Associee, Lab Opt Electromagnet, F-13397 Marseille, France

来源：

JOURNAL OF THE OPTICAL SOCIETY OF AMERICA A-OPTICS IMAGE SCIENCE AND VISION | 1998年 / 15卷 / 04期

关键词：

D O I：

10.1364/JOSAA.15.000924

中图分类号：

O43 [光学];

学科分类号：

070207 ; 0803 ;

摘要：

A model is developed that calculates the mean field and the specular scattering from rough dielectric surfaces. The roughness is regarded as random fluctuations of the permittivity whose averaged value depends on z. A Dyson equation (in its volume formulation) is solved within the Bourret approximation to yield the mean field and the coherent reflection and transmission. Comparisons of the latter three items with the results of numerical simulations are presented in the case of one-dimensional rough surfaces illuminated by an s-polarized plane wave. Good agreement is obtained for rms heights as great as lambda/2 and a wide range of correlation lengths (from lambda/5 to 2/lambda) as long as the dieletric contrast remains small (<4). (C) 1998 Optical Society of America.

引用

页码：924 / 931

页数：8

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