Circular polarization memory in polydisperse scattering media

被引：38
作者：
Macdonald, C. M. [1 ]
Jacques, S. L. [2 ,3 ]
Meglinski, I. V. [4 ]
机构：
[1] Univ Otago, Dept Phys, Dunedin 9016, New Zealand
[2] Oregon Hlth & Sci Univ, Dept Biomed Engn, Portland, OR 97239 USA
[3] Oregon Hlth & Sci Univ, Dept Dermatol, Portland, OR 97239 USA
[4] Univ Otago, Dodd Walls Ctr Photon & Quantum Technol, Dept Phys, Dunedin 9016, New Zealand
来源：
PHYSICAL REVIEW E | 2015年 / 91卷 / 03期
关键词：
LIGHT PROPAGATION; BIOLOGICAL TISSUE; TURBID MEDIA; DEPOLARIZATION; BACKSCATTERING; PHANTOMS; MODEL;
D O I：
10.1103/PhysRevE.91.033204
中图分类号：
O35 [流体力学]; O53 [等离子体物理学];
学科分类号：
070204 ; 080103 ; 080704 ;
摘要：
We investigate the survival of circularly polarized light in random scattering media. The surprising persistence of this form of polarization has a known dependence on the size and refractive index of scattering particles, however a general description regarding polydisperse media is lacking. Through analysis of Mie theory, we present a means of calculating the magnitude of circular polarization memory in complex media, with total generality in the distribution of particle sizes and refractive indices. Quantification of this memory effect enables an alternate pathway toward recovering particle size distribution, based on measurements of diffusing circularly polarized light.
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页数：5
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