On the concept of random orientation in far-field electromagnetic scattering by nonspherical particles

被引：72

作者：

Mishchenko, Michael I. ^{[1
]}

Yurkin, Maxim A. ^{[2
,3
]}

机构：

[1] NASA, Goddard Inst Space Studies, 2880 Broadway, New York, NY 10025 USA

[2] SB RAS, Voevodsky Inst Chem Kinet & Combust, Inst Skaya Str 3, Novosibirsk 630090, Russia

[3] Novosibirsk State Univ, Pirogova 2, Novosibirsk 630090, Russia

来源：

OPTICS LETTERS | 2017年 / 42卷 / 03期

基金：

俄罗斯科学基金会; 美国国家航空航天局;

关键词：

T-MATRIX; LIGHT-SCATTERING;

D O I：

10.1364/OL.42.000494

中图分类号：

O43 [光学];

学科分类号：

070207 ; 0803 ;

摘要：

Although the model of randomly oriented nonspherical particles has been used in a great variety of applications of far-field electromagnetic scattering, it has never been defined in strict mathematical terms. In this Letter, we use the formalism of Euler rigid-body rotations to clarify the concept of statistically random particle orientations and derive its immediate corollaries in the form of the most general mathematical properties of the orientation-averaged extinction and scattering matrices. Our results serve to provide a rigorous mathematical foundation for numerous publications in which the notion of randomly oriented particles and its light-scattering implications have been considered intuitively obvious. (C) 2017 Optical Society of America

引用

页码：494 / 497

页数：4

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