Multiple-scattering suppression: cross correlation with tilted single-mode fibers

被引：20
|
作者：
Nobbmann, U [1 ]
Jones, SW [1 ]
Ackerson, BJ [1 ]
机构：
[1] OKLAHOMA STATE UNIV,CTR LASER & PHOTON RES,STILLWATER,OK 74078
来源：
APPLIED OPTICS | 1997年 / 36卷 / 30期
关键词：
dynamic light scattering; concentrated suspensions; photon correlation spectroscopy; particle sizing;
D O I：
10.1364/AO.36.007571
中图分类号：
O43 [光学];
学科分类号：
070207 ; 0803 ;
摘要：
Multiple light scattering can be suppressed by slightly tilting two single-mode fibers viewing the same sample volume. The cross-correlation function of the two signals shows more or less contributions from single scattering, depending on the tilt angle. We show experimental results for polystyrene spheres at a scattering angle of 90 degrees. The measured size, intercept, and second cumulant for different tilt angles demonstrate the practicality of this technique. Both polarization components show multiple-scattering contributions, but only the parallel component contains single scattering. (C) 1997 Optical Society of America.
引用
收藏
页码：7571 / 7576
页数：6
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