Scattering from an elliptical cylinder by using the vectorial complex ray model

被引:15
|
作者
Jiang, Keli [1 ,2 ,3 ]
Han, Xiang'e [3 ]
Ren, Kuan Fang [1 ,2 ,3 ]
机构
[1] Univ Rouen, CNRS, CORIA, UMR 6614, BP 12, F-76801 St Etienne Du Rouvray, France
[2] INSA Rouen, F-76801 St Etienne Du Rouvray, France
[3] Xidian Univ, Sch Sci, Xian 710071, Peoples R China
关键词
LORENZ-MIE THEORY; INCIDENT PLANE-WAVE; GEOMETRICAL-OPTICS APPROXIMATION; FIBER ORIENTATION ANALYSIS; GAUSSIAN-BEAM SCATTERING; ARBITRARY SHAPED BEAMS; LIGHT-SCATTERING; CIRCULAR-CYLINDER; LOCALIZED APPROXIMATION; MATHIEU FUNCTIONS;
D O I
10.1364/AO.51.008159
中图分类号
O43 [光学];
学科分类号
070207 ; 0803 ;
摘要
The vectorial complex ray model (VCRM) is applied to the light scattering of an elliptical cylinder illuminated by a plane wave. In the VCRM, all waves are described by vectorial complex rays, and the scattering intensities are computed by the superposition of the complex amplitudes of the vectorial rays. The significant merit of this approach is that the wave properties are integrated in the ray model such that the divergence/convergence of the wave each time it encounters a dioptric surface is deduced by the wavefront curvature equation, and the phase shifts due to the focal lines are determined directly by the curvature of the wavefront. The approach is particularly suitable for a large cylinder with an elliptical cross section. (C) 2012 Optical Society of America
引用
收藏
页码:8159 / 8168
页数:10
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