METHOD AND DEVICE FOR CHARACTERISING A MODIFICATION IN TIME OF THE STATE OF CONDENSATION OF DROPLETS ON A TARGET

摘要

A method for characterizing a modification in time of the state of condensation of liquid droplets on a target, characterized by directing a light beam towards the target, measuring in time (t) an intensity I(t) of a beam transmitted through the target or a beam reflected from the target, and recording a time function a(t) defined by I(t) a(t) = ____ Ii where Ii is an intensity of the transmission or reflection beam measured without droplets being on the target, and analyzing a time form of function a(t) for determining at least one geometric characteristic of the state of condensation.