9. Consider TE oblique incidence with 30 degree incidence angle from the air (n=1) to the semiconductor (n=3.5). The optical wavelength is 1.5 µm. We want to coat a thin film on the semiconductor toachieve zero reflection for this particular case. The coating material is with the refractive index n andthe thickness d.(1) What is the power reflectivity of the interface without the coating.(2) Please determine the required d and n to achieve zero reflectivity.

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Answered: 9. Consider TE oblique incidence with…

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