RAYLEIGH SCATTERING IN AN OPTICALLY ANISOTROPIC MEDIUM

Abstract
When a plane‐polarized light beam is passed through an anisotropic medium, the extraordinary ray can become retarded or advanced relative to the ordinary ray. This leads to a periodic longitudinal extinction of (λ/Δn) along the light path which provides a quick accurate visual method for determining the birefringence of a material which is both transparent and a good scatterer of light.

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