Ultrasonic modulation of multiply scattered coherent light: An analytical model for anisotropically scattering media

Abstract

In this work, we have calculated analytically the temporal autocorrelation function of the electrical field component of multiply scattered coherent light transmitted through an anisotropically scattering media irradiated with a plane ultrasonic wave. The accuracy of the analytical solution is verified with an independent Monte Carlo simulation for different values of the ultrasonic and optical parameters. The analytical model shows that an approximate similarity relation exists; if the reduced scattering coefficient is unchanged regardless of the mean cosine of the scattering angle, the autocorrelation function remains approximately the same.

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