Measurements of the hemispherical scattering distribution function of rough dielectric surfaces

被引:13
作者
Chaikina, EI [1 ]
Negrete-Regagnon, P [1 ]
Ruiz-Cortés, V [1 ]
Méndez, ER [1 ]
机构
[1] Ctr Invest Cient & Educ Super Ensenada, Div Fis Aplicada, Ensenada 22860, Baja California, Mexico
关键词
scattering; backscattering; enhanced backscattering;
D O I
10.1016/S0030-4018(02)01581-X
中图分类号
O43 [光学];
学科分类号
070207 ; 0803 ;
摘要
We present measurements of the hemispherical distribution function of the mean intensity scattered by randomly rough isotropic dielectric surfaces, The surface profiles, etched on photoresist, constitute a good approximation to Gaussian random processes with Gaussian correlation functions. The experimental situation approximates the case in which the light is scattered by the rough interface between air and a semi-infinite dielectric medium, illuminated from the air side. The results show features that can be attributed to multiple scattering. For the rougher sample. a well-defined enhanced backscattering peak is observed in both, the co- and cross-polarized scattering measurements. (C) 2002 Elsevier Science B.V. All rights reserved.
引用
收藏
页码:215 / 221
页数:7
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