Abstract
The polarized components of the intensity of light scattered by a system of small rigid spheroids oriented by an electric field have been derived for both oblate and prolate shapes. The orienting field can either be from a conventional external source such as a pair of capacitor plates (electro-optical scattering), or due to a light beam (optico-optical scattering). This formulation allows the orienting field to have any fixed direction in the plane normal to the propagation direction of the incident probe beam. Series-approximated solutions of the scattered intensities for any orientation axis in this plane are given. Comparisons are made with the random case. Computations carried out for −1 ≤ γ ≤ 1, where γ is a relative energy of interaction parameter = (α1L – α2L)E2/4kT, demonstrate the facility cf measurable intensity changes upon orientation with existing devices. Experimental guidelines for producing the maximum effect are outlined. Relative changes in 90° scattered light are discussed for rods and disks for various inclinations of the orienting field. A new Krishnan-type relation is found.
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