Two plane semi-infinite slabs of the same uniform, isotropic, nonpermeable, lossless dielectric with index of refraction n are parallel and separated by an air gap (n of width d. A plane electromagnetic wave of frequency w is indicent on the gap from one of the slabs with angle of indicence i. For linear polarization both parallel to and perpendicular to the plane of incidence, a) calculate the ratio of power transmitted into the second slab to the incident power and the ratio of reflected to incident power; b) for i greater than the critical angle for total internal reflection, sketch the ratio of transmitted power to incident power as a function of d measured in units of wavelength in the gap,
Two plane semi-infinite slabs of the same uniform, isotropic, nonpermeable, lossless dielectric with index of refraction n are parallel and separated by an air gap (n of width d. A plane electromagnetic wave of frequency w is indicent on the gap from one of the slabs with angle of indicence i. For linear polarization both parallel to and perpendicular to the plane of incidence, a) calculate the ratio of power transmitted into the second slab to the incident power and the ratio of reflected to incident power; b) for i greater than the critical angle for total internal reflection, sketch the ratio of transmitted power to incident power as a function of d measured in units of wavelength in the gap,
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Transcribed Image Text:Two plane semi-infinite slabs of the same uniform, isotropic, nonpermeable, lossless
dielectric with index of refraction n are parallel and separated by an air gap (n
of width d. A plane electromagnetic wave of frequency w is indicent on the gap from
one of the slabs with angle of indicence i. For linear polarization both parallel to and
perpendicular to the plane of incidence,
a) calculate the ratio of power transmitted into the second slab to the incident power
and the ratio of reflected to incident power;
b) for i greater than the critical angle for total internal reflection, sketch the ratio
of transmitted power to incident power as a function of d measured in units of
wavelength in the gap,
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