Influence of sampling rate on the precision for particle size by dynamic light scattering with analog detection

被引：3
|
作者：
Wang, Gang [1 ]
Xue, Yan
Jiang, Yun
Kang, Zhi-Hui
Zhao, Zhi-Sheng
Gao, Jin-Yue
机构：
[1] Jilin Univ, Coll Phys, Changchun 130023, Peoples R China
[2] Educ Minist China, Key Lab Coherent Light Atom & Mol Spect, Changchun, Peoples R China
来源：
APPLIED OPTICS | 2007年 / 46卷 / 02期
关键词：
D O I：
10.1364/AO.46.000234
中图分类号：
O43 [光学];
学科分类号：
070207 ; 0803 ;
摘要：
A dynamic light scattering (DLS) experimental system has been set up to study the influence of the sampling rate on the precision of monodispersed particle sizing. Several different parameters relating to the measurement, such as the sampling rate, the number of the correlation channels, the storage depth, and the lag time, are selected to execute the DLS measurement. The experimental results obtained in different cases are reported, and the influences of the sampling rate on particle sizing are also discussed. From the results and discussion it can be seen that the sampling rate plays an important role in the measurement of the particle size. The variety of the sampling rate can lead to the presentation of different correlation functions and then different precision levels for the particle size. In conclusion, a suitable sampling rate is presented to direct the measurement of test particle size. (c) 2007 Optical Society of America.
引用
收藏
页码：234 / 238
页数：5
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