Light diffraction by multifrequency thick gratings
Galkin O. N., Kravchenko V. I., Parkhomenko Yu. N.
Multiphonon interactions in the course of an anisotropic diffraction of light by two acoustic waves excited in a common volume have been studied. A qualitatively new (two-state) behavior of the intensity of the diffracted electromagnetic wave as a function of the sound frequency has been observed. Multiphonon processes make the transmission of light in opposite directions a reciprocal process.