A plane wave of free space wavelength 1.5 μm is incident on a dielectric interface as shown below. Since medium 1 has a higher index of refraction than medium 2, it is possible to have total internal reflection at this interface. xzikGiHGiEG80oinθ=101.69εε=201.44=μμ==(a) What is the critical angle? Is total internal reflection possible for the angle of incidence shown in the figure? (b) What is the polarization of the incident plane wave?
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