We present a simple acousto-optic-based system useful for acquiring time-averaged probability density functions of arbitrary signals. A heuristic analysis is presented as well as experimental results that are shown to agree with theory.
David J. Mehrl,
"Acquisition of probability density functions using a simple acousto-optic system," Optical Engineering 38(7), (1 July 1999). http://dx.doi.org/10.1117/1.602166