Author:
Skripnik F V,Zadorozhnyi N A,Korogodina E V,Timchenko S L
Abstract
Abstract
A method of interferometric registration of the phase change of a polarized EM wave reflected from the boundaries between dielectric media is proposed. The method is suitable for determining how the phases of the waves reflected from the boundaries between isotropic media are affected by changes in the polarization plane and the angle of incidence of the wave. The interference pattern from two types of linearly polarized waves, one polarized in the plane of incidence (p-wave), another in a perpendicular plane (s-wave), was observed as interference of thin films in reflected light. This observation showed that the phase of the reflected s-wave from an optically denser medium was changed to the opposite for all tested angles of incidence. On the contrary, the phase of the reflected p-wave depends on the angle of incidence. The phase of reflected p-wave does not change for the range of the incidence angles from 0 to the Brewster angle (αB
) and becomes opposite for the range between αB
and π/2.
Subject
General Physics and Astronomy