The intensity and phase formulas that are valid for the saturation and inter-mediate regime(before saturation)are derived,and the analytical expressions with th
In this paper,a new direct optical triangulation(DOT)for measuring the out-of plane displacement is given.In order to state its principle,DOT is used to mea-sur
Speckle interferometry is an efficient method to analyze a vibration.In cetrain conditions,this technique has some outsanding advantage,and need not strict shoc