Abstract
The authors calculate the amplitude-phase characteristics of a magnetic mirror with MnBi-Film coating on the basis of the polar Kerr effect at the 0.63-..mu..m wavelength. It is demonstrated that such a nonreciprocal mirror will have the maximum figure of merit when the dielectric layer of the multilayer coating closest to the ferromagnetic one is half-wavelength thick; the amplitude nonreciprocity then vanishes almost completely.
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