Goos-Hänchen shift at Brillouin light scattering by a magnetostatic wave in the Damon-Eshbach configuration [Invited]

The lateral shift of an optical beam undergoing Brillouin light scattering by a spin wave propagating along the interface between magnetic and dielectric media (Damon-Eshbach configuration) in the total internal reflection geometry is studied theoretically. Linear and quadratic magneto-optic terms in polarization are taken into account. It is shown that the lateral shift depends on the polarization ( s - or p -) state of the scattered electromagnetic wave as well as on the frequency of the spin wave.