Backscattering by hexagonal ice crystals of cirrus clouds

被引：53

作者：

Borovoi, Anatoli ^{[1
]}

Konoshonkin, Alexander ^{[1
,2
]}

Kustova, Natalia ^{[1
]}

机构：

[1] Russian Acad Sci, VE Zuev Inst Atmospher Opt, Tomsk 634021, Russia

[2] Tomsk State Univ, Tomsk 634050, Russia

来源：

OPTICS LETTERS | 2013年 / 38卷 / 15期

基金：

俄罗斯基础研究基金会;

关键词：

DEPOLARIZATION;

D O I：

10.1364/OL.38.002881

中图分类号：

O43 [光学];

学科分类号：

070207 ; 0803 ;

摘要：

Light backscattering by randomly oriented hexagonal ice crystals of cirrus clouds is considered within the framework of the physical-optics approximation. The fine angular structure of all elements of the Mueller matrix in the vicinity of the exact backward direction is first calculated and discussed. In particular, an approximate equation for the differential scattering cross section is obtained. Its simple spectral dependence is discussed. Also, a hollow of the linear depolarization ratio around the exact backward direction inherent to the long hexagonal columns is revealed. (C) 2013 Optical Society of America

引用

页码：2881 / 2884

页数：4

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