Generalization of the Optical Theorem to the multipole source excitation

被引：5

作者：

Eremin, Yuri ^{[1
]}

Wriedt, Thomas ^{[2
]}

机构：

[1] Lomonosov Moscow State Univ, Fac Computat Math & Cybernet, Lenins Hills, Moscow 119991, Russia

[2] Inst Werkstofftech, Badgasteiner Str 3, D-28359 Bremen, Germany

来源：

JOURNAL OF QUANTITATIVE SPECTROSCOPY & RADIATIVE TRANSFER | 2016年 / 185卷

基金：

俄罗斯基础研究基金会;

关键词：

The Optical Theorem; Multipole source; Maxwell's theory; Gauss Theorem; Extinction cross-section; LIGHT-SCATTERING; FIELD;

D O I：

10.1016/j.jqsrt.2016.08.011

中图分类号：

O43 [光学];

学科分类号：

070207 ; 0803 ;

摘要：

Based on classic Maxwell's theory and the Gauss Theorem we extended the Optical Theorem to the case of a penetrable particle excited by a multipole source. We demonstrate that the derived extinction cross-section can be evaluated via. calculation of some specific derivatives from the scattered field at the point of the multipole location. The obtained relation between extinction cross-section and scattering cross-section can be employed to estimate the corresponding absorption cross-section. (C) 2016 Elsevier Ltd. All rights reserved.

引用

页码：22 / 26

页数：5

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