Question

Consider a uniform plane wave impinging obliquely on an air-to-glass (εr = 4.0) boundary from the air side of the boundary. The boundary is flat and the dielectrics may be considered to be infinite in extent on both sides of the boundary. The incident wave is polarized in the plane of incidence. Find the incident angle for which total absorption takes place. Would this also apply for a wave which is polarized normal to the plane of incidence? If yes, explain why, and if no, explain why.

Answer #1

Assume a uniform plane wave in air with E = 8yˆcos(ωt−4x−3z) is
incident on a dielectric slab(z≥0)withμr =1,εr =2.5,σ=0.
Determine: i) the polarization of the wave; ii) the angle of
incidence; iii) the reflected E field; iv) the transmitted H
field.

A plane wave is incident from air upon the planar surface of a
dielectric material with a relative permittivity of 9 occupying the
half space of Z > 0. If this incident wave has a magnetic field
given as Hinc = (0.01ˆx − 0.02ˆz)e −j(2x+z)
(a) Find the electric field component of the transmitted
wave.
b) Find the average power density carried to the dielectric
medium
(c) What happens at the Brewster angle? Does this angle exist
for this polarization...

Consider a monochromatic EM wave travelling in air (u=u0 , E = E0)
striking a plane surface with E=kE0, u=u0 at an angle of incidence
theta0. What is Brewster’s angle (the angle for which one
polarization is not reflected)? What is the J0 polarization of the
reflected wave?What is the J0 polarization of the reflected wave?
What is the J0 of the incident intensity which is reflected? Take k
= 1.4, Theta0 =30Deg

A light ray in air, indicated by the arrow, is incident on a
convex glass lens at an angle of 31° to the normal. a) Some of the
light will be reflected from the lens. At what angle will it be
reflected? b) Find the angle at which the light ray is refracted
when entering the lens. (5 points) c) Find the angle at which the
ray is incident on the other side of the lens and the angle of...

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