Study on the method of particle sizing by dynamic light scattering based on polarization gating

doi:10.13741/j.cnki.11-1879/o4.2010.03.022

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Study on the method of particle sizing by dynamic light scattering based on polarization gating

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- Study on the method of particle sizing by dynamic light scattering based on polarization gating
- Vol. 36, Issue 3, Pages: 415-419(2010)
- 作者机构：
  
  1:上海理工大学光电信息与计算机工程学院
- 作者简介：
- 基金信息：
- DOI：10.13741/j.cnki.11-1879/o4.2010.03.022
  CLC：
- Published：2010
- 稿件说明：
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Study on the method of particle sizing by dynamic light scattering based on polarization gating[J]. 2010, 36(3): 415-419.
DOI：

Study on the method of particle sizing by dynamic light scattering based on polarization gating[J]. 2010, 36(3): 415-419. DOI： 10.13741/j.cnki.11-1879/o4.2010.03.022.

摘要

为了解决动态光散射纳米颗粒测量技术无法测量高浓度颗粒粒径的难题

提出了一种基于偏振门的动态光散射测量法。从动态光散射和Mie理论出发

理论分析了在高浓度溶液下多重散射效应对散射光偏振态和颗粒粒度测量结果的影响。根据散射光偏振特点

结合偏振门检测技术

改进了传统的动态光散射光学系统。实验研究了在低浓度和高浓度溶液时

不同偏振角度下的散射光强和粒度测量值

完善了散射光的偏振理论。采用90°偏振门检偏

通过各种浓度下的实验

证明了方法的可行性。该方法较之目前同类方法具有原理和结构简单

系统易于维护的特点。

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