Interference phenomena at backscattering by ice crystals of cirrus clouds

被引：32

作者：

Borovoi, Anatoli ^{[1
,2
]}

Kustova, Natalia ^{[1
]}

Konoshonkin, Alexander ^{[1
,2
]}

机构：

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

[2] Natl Res Tomsk State Univ, Tomsk 634050, Russia

来源：

OPTICS EXPRESS | 2015年 / 23卷 / 19期

基金：

俄罗斯基础研究基金会; 俄罗斯科学基金会;

关键词：

SINGLE-SCATTERING PROPERTIES; ATTENUATED BACKSCATTER; DEPOLARIZATION RATIO; LIGHT BACKSCATTERING; OPTICS APPROXIMATION; SURFACE-ROUGHNESS; CALIPSO LIDAR; PARTICLES; MATRICES; PEAK;

D O I：

10.1364/OE.23.024557

中图分类号：

O43 [光学];

学科分类号：

070207 ; 0803 ;

摘要：

It is shown that light backscattering by hexagonal ice crystals of cirrus clouds is formed within the physical-optics approximation by both diffraction and interference phenomena. Diffraction determines the angular width of the backscattering peak and interference produces the interference rings inside the peak. By use of a simple model for distortion of the pristine hexagonal shape, we show that the shape distortion leads to both oscillations of the scattering (Mueller) matrix within the backscattering peak and to a strong increase of the depolarization, color, and lidar ratios needed for interpretation of lidar signals. (C) 2015 Optical Society of America

引用

页码：24557 / 24571

页数：15

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