Abstract
Abstract After studying the scattering geometry of nematic liquid crystals, the authors show that an experimental arrangement with optic director in the scattering plane is preferable, and that a considerably strong EE scattered light will be acquired at oblique incidence, which would usually vanish at a 90° incidence. Intensity and linewidth distributions as functions of incident angles are then calculated. Thereby a scheme for determining the viscoelastic constant is proposed, which involves the linewidth measurements of the scattered light only. A MALVERN digital correlator (K7023) is employed for the linewidth measurements. Our optical setting up makes the experimental work easy to do.
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