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Unformatted text preview: Physics 505 Fall 2007 Homework Assignment #11 — Due Thursday, December 6 Textbook problems: Ch. 7: 7.3, 7.4, 7.6, 7.8 7.3 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 = 1) of width d . A plane electromagnetic wave of frequency ω 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. 7.4 A plane-polarized electromagnetic wave of frequency ω in free space is incident nor- mally on the flat surface of a nonpermeable medium of conductivity σ and dielectric...
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