1. CNR‐INO National Institute of Optics National Research Council Florence Italy
2. Laboratorio Scientifico Opificio delle Pietre Dure – MiC Florence Italy
3. Laboratorio di arazzi e tappeti Opificio delle Pietre Dure – MiC Florence Italy
4. Department of Chemistry ‘Ugo Schiff’ University of Florence Sesto Fiorentino FI Italy