Scattering of a Hermite-Gaussian beam field by a chiral sphere

被引：49

作者：

Yokota, M ^{[1
]}

He, S

Takenaka, T

机构：

[1] Miyazaki Univ, Dept Elect & Elect Engn, Miyazaki 8892192, Japan

[2] Zhejiang Univ, Ctr Opt & Electromagnet Res, State Key Lab Modern Opt Instrumentat, Hangzhou 310027, Peoples R China

[3] Royal Inst Technol, Dept Electromagnet Theory, S-10044 Stockholm, Sweden

[4] Nagasaki Univ, Dept Elect & Elect Engn, Nagasaki 8528521, Japan

来源：

JOURNAL OF THE OPTICAL SOCIETY OF AMERICA A-OPTICS IMAGE SCIENCE AND VISION | 2001年 / 18卷 / 07期

关键词：

D O I：

10.1364/JOSAA.18.001681

中图分类号：

O43 [光学];

学科分类号：

070207 ; 0803 ;

摘要：

A Hermite-Gaussian beam field is expressed as a superposition of multipole fields at complex-source points. Electromagnetic fields are expanded in terms of the spherical vector wave functions. The unknown expansion coefficients for the scattered field and the internal field are determined by the boundary conditions. As numerical examples, the scattered near fields of the beam incidence are calculated, and the effects of the chirality and the radius of the chiral sphere on the fields are examined. The results for a Gaussian beam incidence are also compared with those of a plane-wave incidence. (C) 2001 Optical Society of America.

引用

页码：1681 / 1689

页数：9

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