Proceedings PaperCollinear light diffraction on a Gaussian acoustic beam
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We obtained a general expression for an electric field amplitude of a diffracted light beam. With the help of this expression one can calculate the intensity of the diffracted light at a different distance from an acoustic transducer. It is shown that diffraction characteristics are essentially dependent on a divergency of the acoustic beam. The central frequency of transmission curve is shifted relative to 2 equals 0 corresponding exactly to the satisfaction of the Bragg condition. The optimum relationship between the interaction region length and the acoustic beam radius is found.