Polarization Characteristics of the Coherent Backscattering Peak for Large Nonspherical Particles with Random Orientation in Space

被引：1

作者：

Konoshonkin, A. V. ^{[1
,2
]}

Kustova, N. V. ^{[1
]}

Shishko, V. A. ^{[1
,2
]}

Timofeev, D. N. ^{[1
]}

Kan, N. ^{[1
]}

Tkachev, I. V. ^{[1
]}

Salnikov, K. S. ^{[2
]}

Borovoi, A. G. ^{[1
]}

机构：

[1] Russian Acad Sci, VE Zuev Inst Atmospher Opt, Siberian Branch, Tomsk 634055, Russia

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

来源：

ATMOSPHERIC AND OCEANIC OPTICS | 2023年 / 36卷 / 03期

基金：

俄罗斯科学基金会;

关键词：

light scattering; physical optics method; atmospheric ice crystals; cirrus clouds; SINGLE-SCATTERING PROPERTIES; LIGHT-SCATTERING; PHYSICAL-OPTICS; ICE CRYSTALS; NEGATIVE POLARIZATION; PARTICULATE SURFACES; CIRRUS CLOUDS; MODEL; LIDAR; APPROXIMATION;

D O I：

10.1134/S1024856023030156

中图分类号：

O43 [光学];

学科分类号：

070207 ; 0803 ;

摘要：

Polarization elements of the light scattering matrix in the vicinity of the backscattering direction of a perfect hexagonal column and a particle of a random convex polyhedral shape are studied within the physical optics approximation. The study is carried out for particles with a size of 10-100 & mu;m for a wavelength of 0.532 & mu;m. It is shown that, within the vicinity of the coherent backscattering peak, polarization elements of the matrix have significant local extrema. At the same time, their angular width is essentially independent of the particle shape but significantly depends on the size. The results obtained are of interest for the interpretation of lidar measurements in cirrus clouds.

引用

页码：244 / 255

页数：12

共 57 条

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