Abstract
We have studied the response of a nematic liquid crystal acousto‐optic conversion cell to a pulsed ultrasonic signal. It has been established (see previous abstract) that a streaming mechanism is responsible for the acousto‐optic effect when using a cw signal, but a pulsed signal has been little studied in spite of its practical importance. We report on the effect of pulse width, pulse amplitude, and repetition rate of a 4‐MHz wave on the integrated optical transmission and on the spatial representation of the sound beam. [Work partially supported by NSF and NATO.]
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