Effect of scatterer size on microscopic imaging through turbid media based on differential polarisation-gating

被引：12
|
作者：
Schilders, SP [1 ]
Gan, XS [1 ]
Gu, M [1 ]
机构：
[1] Victoria Univ Technol, Sch Commun & Informat, Optoelect Imaging Grp, Melbourne, Vic 8001, Australia
来源：
OPTICS COMMUNICATIONS | 1998年 / 157卷 / 1-6期
关键词：
microscopic imaging; turbid media; polarisation-gating;
D O I：
10.1016/S0030-4018(98)00500-8
中图分类号：
O43 [光学];
学科分类号：
070207 ; 0803 ;
摘要：
The effect of the scattering particle size in a turbid medium on microscopic imaging is experimentally investigated in order to determine the resolution achievable when differential polarisation-gating (DPG) is employed. Image resolution for a bar embedded within a turbid medium is measured as a function of the optical thickness for four turbid media which consist of scattering particles of diameters 0.107, 0.202, 0.48 and 1.056 mu m, respectively. It is shown that the improvement in image resolution with DPG is stronger for a turbid medium including smaller particles than for a turbid medium consisting of larger particles. To demonstrate the effectiveness of DPG in a tissue-like turbid medium, images of a bar embedded within semi-skimmed mill; suspensions were obtained. (C) 1998 Elsevier Science B.V. All rights reserved.
引用
收藏
页码：238 / 248
页数：11
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