Measurement of Aerosols and Ice Clouds Using Ellipsometry Lidar

被引：1
|
作者：
Kim, Dukhyeon [1 ]
Du Cheong, Hai [1 ]
Volkov, Sergei N. [2 ]
机构：
[1] Hanbat Natl Univ, Div Cultural Studies, Daejeon 305719, South Korea
[2] Russian Acad Sci, VE Zuev Inst Atmospher Opt, Siberian Branch, Tomsk 634050, Russia
来源：
KOREAN JOURNAL OF OPTICS AND PHOTONICS | 2015年 / 26卷 / 01期
关键词：
Ellipsometry lidar; Aerosol; Ice cloud; Polarization; Backscattering Mueller Matrix;
D O I：
10.3807/KJOP.2015.26.1.009
中图分类号：
O43 [光学];
学科分类号：
070207 ; 0803 ;
摘要：
We have developed ellipsometry lidar and measured aerosol and ice-cloud characteristics. To measure a full normalized backscattering phase matrix (NBSPM) composed of nine elements, we have designed an optical system with three kinds of transmission and three kinds of reception, composed of lambda/2 waveplate, lambda/4 waveplate and empty optic. To find systematic optical errors, we used clean day middle-altitude (4-6km) lidar signals for which the aerosol's concentration was small and its orientation chaotic. After calibrating our lidar system, we have calculated NBSPM elements scattered from an aerosol and from an ice cloud. In the case of an aerosol, we found that the off-diagonal values m(12),..., m(34) of the NBSPM are smaller than those for a cirrus cloud. Also, the off-diagonal values of the NBSPM from a cirrus cloud depend on atmospheric conditions.
引用
收藏
页码：9 / 16
页数：8
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