A Numerical Procedure for Calculating the Integrated Acoustooptic Effect

Absrmct-The integrated optical effect of light passing through an ultrasonic field can be numerically calculated from the velocity dip tribution assigned to a planar transducer. The theory is developed for linear acoustics, nonabsorbing media, and normal incidence of Light. As a consequence of the application of the Fourier projection slice theorem, an algorithm based on digital Fourier transforms calculates the integrated optical effect without integration. Demonstrations of the influence of transducer geometry are shown for the integrated optical effect and schlieren patterns based on this effect.