Abstract

Peculiarities of scattering of a TM-polarized light wave by the apical oxygen sublattice, which are associated with dispersion of a phonon n-polariton localized in an ultrathin YBaCuO layer, are studied. The difference between the angle of scattering of the luminous flux from the angle of reflection is estimated for the maximum of the Raman frequency shift. It is shown that the amplitude of g-oscillations of bridge oxygen ions in the vicinity of the resonance frequency increases sharply; consequently, it becomes possible to observe additional (in respect to bulk) scattering of coherent electromagnetic waves at the Stokes and anti-Stokes frequencies.

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