%0 Journal Article %J Optical Materials %D 2012 %T Cis–trans isomerization and optical laser writing in new heterocycle based azo-polyurethanes %A Ambrosio, Antonio %A Borbone, Fabio %A Carella, Antonio %A Centore, Roberto %A Fusco, Sandra %A Kuball, Hans-Georg %A Maddalena, Pasqualino %A Romano, Claudia %A Roviello, Antonio %A Stolte, Matthias %B Optical Materials %I North-Holland %V 34 %P 724–728 %G eng %N 4