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Reflection and refraction

# Reflection and refraction - Reflection and refraction of a...

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Unformatted text preview: Reflection and refraction of a plane wave at oblique incidence Let us consider a plane wave that obliquely incidents at the boundary of two media that are characterized by their permittivity and permeability (see Figure 1). The plane containing both the normal to the surface and the direction of propagation of the incident wave is known as the plane of incidence. We consider two different cases: Case A : The electric field of the incident wave is perpendicular to the plane of incidence. Case B : The electric field of the incident wave is in the plane of incidence. Any other incident wave can be decomposed into linear combination of these two. Fig. 1 shows a wave of either polarization incident on the boundary of two media. In this Figure, the angle i between the normal to the boundary and the propagation direction is the angle of incidence. We choose the plane of incidence to be the x z plane with the axes directions shown in the Figure1, the y-axes is out of the page. There may also be reflected and refracted (transmitted) waves, as shown in Fig. 1....
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Reflection and refraction - Reflection and refraction of a...

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