Depolarized forward light scattering from anisotropic particles

被引：1
作者：
Degiorgio, V
Bellini, T
Piazza, R
Mantegazza, F
机构：
[1] Ist. Naz. per la Fis. della Materia, Dipartimento di Elettronica, Università di Pavia, Via Ferrata 1
[2] Istituto di Scienze Farmacologiche, Università di Milano
来源：
OPTICAL METHODS AND PHYSICS OF COLLOIDAL DISPERSIONS | 1997年 / 104卷
关键词：
depolarized light scattering; colloids; macromolecules; rotational diffusion;
D O I：
10.1007/BF01182410
中图分类号：
O64 [物理化学（理论化学）、化学物理学];
学科分类号：
070304 ; 081704 ;
摘要：
The rotational correlation function of anisotropic colloidal particles can be measured by observing the fluctuations of the depolarized intensity scattered in the forward direction. In this work we present a theoretical treatment of forward depolarized light scattering. Our calculations show the importance of the insertion of a quarter-wave plate between the scattering cell and the analyzer. The role of the quarter-wave plate is to generate a heterodyne signal between the transmitted beam and the depolarized forward scattered field. In order to illustrate the theoretical calculations, we present experimental results concerning the measurement of the rotational diffusion coefficient in dispersions of fluorinated polymer colloids.
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收藏
页码：17 / 22
页数：6
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