Light scattering from spiral particles

被引：2

作者：

Surkov, Yehor ^{[1
]}

Shkuratov, Yuriy ^{[1
]}

Pan, Yong-Le ^{[2
]}

Kalume, Aimable ^{[2
]}

Santarpia, Joshua ^{[3
,4
]}

Zubko, Evgenij ^{[5
]}

Hu, Yongxiang ^{[6
]}

Videen, Gorden ^{[2
,7
,8
]}

机构：

[1] Kharkov Natl Univ, Svobody Sq 4, UA-61022 Kharkiv, Ukraine

[2] DEVCOM Army Res Lab, Adelphi, MD 20783 USA

[3] Natl Strateg Res Inst, Omaha, NE 68198 USA

[4] Univ Nebraska, Med Ctr, Omaha, NE 68198 USA

[5] Kyung Hee Univ, Humanitas Coll, Gyeonggi Do 17104, South Korea

[6] NASA, Sci Directorate, Langley Res Ctr, Hampton, VA USA

[7] Space Sci Inst, 4750 Walnut St,Suite 205, Boulder, CO 80301 USA

[8] Texas A&M Univ, Dept Atmospher Sci, College Stn, TX USA

来源：

JOURNAL OF QUANTITATIVE SPECTROSCOPY & RADIATIVE TRANSFER | 2023年 / 298卷

关键词：

Light scattering; Chirality; Spirals; Circular -polarization opposition effect; DISCRETE-DIPOLE APPROXIMATION; CIRCULAR-POLARIZATION; HALE-BOPP; POLARIMETRY; DUST;

D O I：

10.1016/j.jqsrt.2023.108494

中图分类号：

O43 [光学];

学科分类号：

070207 ; 0803 ;

摘要：

We calculate the light-scattering Mueller matrix elements of left-handed and right-handed spiral parti-cles that have morphological chirality. For such orientation-averaged systems, none of the Mueller matrix elements are equal to zero, although basic relations do exist between enantiomers. The magnitude of the circular-polarization signal can be greater than 10%; however, in the backscattering region it can be significantly greater due to a manifestation of the coherent-backscattering mechanism. The magnitude of this circular-polarization opposition effect decreases with particle absorption and its width decreases with decreasing wavelength, which is consistent with the linear-polarization opposition effect and the intensity opposition effect.Published by Elsevier Ltd.

引用

页数：8

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