Effect of scattering angle error on particle size determination by multiangle dynamic light scattering

被引：6

作者：

Gao, Shanshan ^{[1
]}

Shen, Jin ^{[1
]}

Thomas, John C. ^{[1
,2
]}

Yin, Zuoming ^{[3
]}

Wang, Xuemin ^{[1
]}

Wang, Yajing ^{[1
]}

Liu, Wei ^{[1
]}

Sun, Xianming ^{[1
]}

机构：

[1] Shandong Univ Technol, Sch Elect & Elect Engn, Zibo 255049, Peoples R China

[2] Grp Sci Pty Ltd, Salisbury South, SA 5106, Australia

[3] Univ Sci & Technol Beijing, Sch Civil & Environm Engn, Beijing 100083, Peoples R China

来源：

APPLIED OPTICS | 2015年 / 54卷 / 10期

基金：

中国国家自然科学基金;

关键词：

REGULARIZATION; DISTRIBUTIONS; LATEX;

D O I：

10.1364/AO.54.002824

中图分类号：

O43 [光学];

学科分类号：

070207 ; 0803 ;

摘要：

Dynamic light scattering (DLS) is a popular method of particle size measurement. Multiangle dynamic light scattering (MDLS) collects DLS data at multiple angles and analyzes the data simultaneously to improve the particle size measurement. Using data from several scattering angles admits the possibility of introducing noise caused by scattering angle error in the measurement, which may have an impact on the performance of the MDLS technique. We investigate the effect of scattering angle noise on recovered particle size distributions (PSDs) using simulated and measured MDLS data and various levels of angular noise. Our results show that, for unimodal PSDs, those with small particle sizes are more strongly affected by the noise than are medium and large particle size systems. For bimodal PSDs, those containing small-sized particles are also more affected by the noise than the systems of larger particles. Furthermore, broad PSDs are more vulnerable to angular noise than narrow PSDs. (C) 2015 Optical Society of America

引用

页码：2824 / 2831

页数：8

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