Repeat Problem 1, but replace the dielectric medium with a poor conductor characterized by εr = 2.25, μr = 1, and σ = 10−4S/m.
Problem 1
A 200-MHz, left-hand circularly polarized plane wave with an electric field modulus of 10 V/m is normally incident in air upon a dielectric medium with εr = 4, and occupies the region defined by z ≥ 0.
(a) Write an expression for the electric field phasor of the incident wave, given that the field is a positive maximum at z = 0 and t = 0.
(b) Calculate the reflection and transmission coefficients.
(c) Write expressions for the electric field phasors of the reflected wave, the transmitted wave, and the total field in the region z ≤ 0.
(d) Determine the percentages of the incident average power reflected by the boundary and transmitted into the second medium.
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