Wohland, ThorstenVogel, HorstRigler, Rudolf2015-09-222015-09-222015-09-222001https://infoscience.epfl.ch/handle/20.500.14299/118506The invention concerns an assembly comprising: (a) means for determining the intensity of a plurality of electromagnetic signals, (b) a correlator for correlating or autocorrelating said signals, (c) means for continuously calculating the variance and/or the standard deviation of said signals. It also concerns a method for analysing the intensity of a plurality of electromagnetic radiations scattered and/or emitted from solid, fluid or gaseous samples.patentUS6813569US2004034503JP2003531371EP1272826AU4628101WO01798204358065