Abstract
A simple light-scattering photometer has been designed to measure the angular distribution of the intensity of polarized laser light scattered by micrometer and submicrometer samples. The photometer uses an ellipsoidal reflector and simple optical components to collect the He-Ne laser-scattered light and to focus it onto a 512-element photodiode array. Experimental data have been obtained for several monodisperse aqueous solutions of latex spheres of different sizes. The results have been satisfactorily interpreted on the basis of the electromagnetic scattering theory. In particular the Mie formulation has been properly reformulated to take into account the corrections to the scattered intensity determined by the apparatus design making it possible to perform particle sizing.
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