Abstract
Transmission magneto‐optic effects are analyzed for a configuration consisting of a semitransparent magneto‐optic layer bounded by two semiinfinite media. It is shown that two nonreciprocal effects manifest themselves in transmission. These are: a) a phase shift; and b) an amplitude change. Both of these effects depend upon the direction of film magnetization. These transmission nonreciprocal effects vanish for all angles of incidence when the magneto‐optic layer is surrounded by identical media. In the case where the magneto‐optic film is imbedded in two distinct media, the nonreciprocal effects are present, but vanish at one specific angle of incidence. At this angle of incidence, the optical impedances of the two bounding media are identical. For a light wave propagating from the exit medium toward the entrance medium, the nonreciprocal effects in transmission only change sign.
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