Michelotti, F.F.MichelottiSinibaldi, A.A.SinibaldiMunzert, P.P.MunzertDanz, N.N.DanzDescrovi, E.E.Descrovi2022-03-042022-03-042013https://publica.fraunhofer.de/handle/publica/23228510.1364/OL.38.000616We exploit the excitation of electromagnetic surface waves on high-quality dielectric multilayers to measure the very low extinction coefficient of the structures, with a resolution down to 4.10(-7) and in a simple optical configuration. The effect of exposition to a rhodamine 6G solution in water and ethanol is also reported, including dye adsorption in the layers and bleaching upon resonant excitation.en620535journal article