Why does the reflected polarized light have vibrations perpendicular to the plane of incidence?
Light consists of two components electric and magnetic. Conventionally, when considering polarization, the electric field vector is described and the magnetic field is ignored since it is perpendicular to the electric field and proportional to it. The polarization that cannot be reflected at this angle is the polarization for which the electric field of the light waves lies in the same plane as the incident ray and the surface normal. Light with this polarization is said to be p-polarized, because it is parallel to the plane. Light with the perpendicular polarization is said to be s-polarized, from the German senkrecht—perpendicular. The magnetic component is not considered as it can be said to prop to the electric component. The electric dipoles of the material interact with the p-polarised light. These light is absorbed and and then reradiated by oscillating electric dipoles at the interface between the two media. The s-polarised light is not absorbed by the dipoles, in other words t
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