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VOLUME 24 (1976) | ISSUE 9 | PAGE 485
Diffraction of light by parametric magnons
Diffraction of light by spin waves with wave numbers ~3X 103-1.2χ 104 cm-1 has been observed in experiment. Unusual forms of the polarization characteristics and a nonlinear character of the dependence of the intensity of the diffracted radiation on the microwave power have been noted and indicate that the diffraction is by spin waves that are parametrically excited under conditions close to the fundamental resonance.