@article{articlea516f3dc, title = {Photoinduced birefringence in di-azo compounds in polystyrene and poly(methyl methacrylate) guest-host systems}, author = {Mendonça, Cleber Renato and Misoguti, Lino and Andrade, A. A. and Yamaki, S. B. and Dias, V. D. and Atvars, T. D. Z. and Oliveira Junior, Osvaldo Novais de}, year = {2007}, doi = {10.1016/j.optmat.2006.10.033}, journal = {Optical Materials} }