Abstract
We propose an approach for producing a rotating polarization vector of dichromatic light controlled by the acoustic frequency. This approach is based on diffraction of one of the eigenmodes for each monochromatic component during two passes of dichromatic light through a gyrotropic acousto-optical cell and is demonstrated using rotation in the polarization of dichromatic light generated by an Ar laser at wavelengths of 0.488 µm and 0.514 µm using a paratellurite acousto-optical cell operating at 108 MHz.
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