INTENSITY CORRELATION IN ABSORBING RANDOM-MEDIA

被引：37

作者：

PNINI, R

SHAPIRO, B

机构：

[1] Department of Physics, Technion - Israel Institute of Technology

来源：

PHYSICS LETTERS A | 1991年 / 157卷 / 4-5期

关键词：

D O I：

10.1016/0375-9601(91)90064-F

中图分类号：

O4 [物理学];

学科分类号：

0702 ;

摘要：

We consider the effect of absorption on intensity correlation in a speckle pattern. We derive a general expression for the correlation function, and discuss in some detail two experimentally relevant geometries: a wide stab and a narrow tube. Our calculations show that strong absorption modifies but not destroys the long-range correlations in intensity: these correlations exist even at distances much larger than the absorption length.

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页码：265 / 269

页数：5

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