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
收藏
页码：494 / 497
页数：4
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