Scattering of an eccentric sphere arbitrarily located in a shaped beam

被引：21

作者：

Han, Guoxia ^{[1
]}

Han, Yiping ^{[1
]}

Liu, Jianyong ^{[1
]}

Zhang, Yang ^{[2
]}

机构：

[1] Xidian Univ, Sch Sci, Xian 710071, Peoples R China

[2] Univ Manchester, Sch Mech Aerosp & Civil Engn, Manchester M13 9PL, Lancs, England

来源：

JOURNAL OF THE OPTICAL SOCIETY OF AMERICA B-OPTICAL PHYSICS | 2008年 / 25卷 / 12期

基金：

中国国家自然科学基金;

关键词：

D O I：

10.1364/JOSAB.25.002064

中图分类号：

O43 [光学];

学科分类号：

070207 ; 0803 ;

摘要：

We investigate the far-field scattering of an eccentric sphere (a host sphere with an eccentric spherical inclusion) arbitrarily located in a shaped beam. The extended beam-shape coefficients of the incident beam of arbitrary direction and location in spherical coordinates are presented and evaluated by using the rotational addition theorems for spherical vector wave functions and the approach of the localized approximation. Based on the generalized Lorenz-Mie theory, a general infinite set of scattering equations of an eccentric sphere arbitrarily illuminated is given. The angular distribution of the scattered intensity is calculated and discussed with comparisons of scattered intensities with respect to different incidence angles, center-center separation distances, and refractive indices of the host and the inclusion. (C) 2008 Optical Society of America

引用

页码：2064 / 2072

页数：9

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