Fresnel-refraction meaning

The bending of light as it crosses the planar surface between two media having different refractive indexes.The refracted portion of the light crosses the interface and enters the plane of the incident medium, changes velocity, and bends while the reflected portion of the light remains in the same plane as the incident light, remains at the same velocity, and reflects at the same angle to the normal as the incident ray.The polarization is known as perpendicular.The extent to which the incident is refracted, rather than reflected, the difference in the index of refraction (IOR) of the individual media (e.g., air and glass), the angle of incidence, the light polarization, and the direction in which the light is passing (e.g., from air to glass or from glass to air). See also angle of incidence; Fresnel, Augustin-Jean; Fresnel reflection; IOR; polarization; reflection; and refraction. GlassIOR = 1.4500 Incident Reflected Refracted AirIOR = 1.0003 Normal.
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