Polarized pulse waves in random discrete scatterers

被引:65
作者
Ishimaru, A [1 ]
Jaruwatanadilok, S [1 ]
Kuga, Y [1 ]
机构
[1] Univ Washington, Dept Elect Engn, Seattle, WA 98195 USA
关键词
D O I
10.1364/AO.40.005495
中图分类号
O43 [光学];
学科分类号
070207 ; 0803 ;
摘要
In recent years there has been increasing interest in the use of polarization for imaging objects in a cluttered environment. Examples are optical imaging through clouds, optical detection of objects in a biological medium, and microwave detection of objects in clutter. We extend previous studies of continuous-wave scattering to pulse-polarization scattering in discrete scatterers. We solve the time-dependent vector radiative transfer equation for a plane-parallel medium by using Mie scattering and the discrete ordinates method. The time-dependent degree of polarization and cross-polarization discrimination are calculated and verify the advantages of circular over linear polarization in maintaining greater copolarized components rather than cross-polarized components. (C) 2001 Optical Society of America.
引用
收藏
页码:5495 / 5502
页数:8
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