Time-resolved backscattering of circularly and linearly polarized light in a turbid medium

被引：70

作者：

Ni, XH ^{[1
]}

Alfano, RR ^{[1
]}

机构：

[1] CUNY City Coll, Grad Sch, Inst Ultrafast Spect & Lasers, New York, NY 10031 USA

来源：

OPTICS LETTERS | 2004年 / 29卷 / 23期

关键词：

D O I：

10.1364/OL.29.002773

中图分类号：

O43 [光学];

学科分类号：

070207 ; 0803 ;

摘要：

Time-resolved backscattering profiles of circularly and linearly polarized light were measured from a turbid medium composed of small and large polystyrene sphere particles in water. It is shown that, based on the measurements of the time-resolved backscattered copolarized and cross-polarized components of the incident polarized light, either linearly or circularly polarized light can be used to effectively image an object that is deep inside a turbid medium composed of small particles, depending on the depolarization properties of the object itself. For large particles such as in tissue, fog, and clouds, the experimentally observed polarization memory effect on the backscattering temporal profiles suggests that a significant improvement in the image contrast can be achieved by use of circularly polarized light. (C) 2004 Optical Society of America.

引用

页码：2773 / 2775

页数：3

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