Optical fiber production and characterization of highly nonlinear Pb2P2O7-Nb2O5 glasses - Manzani, Danilo; Almeida, Juliana M.; Montesso, Murilo; Nalin, Marcelo; De Boni, Leonardo; Mendonça, Cleber Renato; Ribeiro, Sidney J. L. (Brazilian MRS Meeting, 2015)