Method for controlling an optical characteristic of a material and an analog imager for carrying out said method

摘要

A method for controlling an optical characteristic of a material which is intercalated between two electrodes driven by periodic excitation signals having a zero mean value consists in applying to the electrodes signals having the same time-duration and the same recurrence frequency but in which one signal has a phase shift phi with respect to the other, the phase shift being modified in order to adjust the optical characteristic.