@inproceedings{inproceedingsb1008386, title = {Nonlinear optical absorption dynamic in free base tetrapyridyl porphyrin ('H IND.2'TPyP)}, author = {Barbosa Neto, Newton Martins and De Boni, Leonardo and Misoguti, Lino and Mendonça, Cleber Renato and Zílio, Sérgio Carlos and Dinelli, Luis R. and Batista, A. A.}, year = {2002}, publisher = {SBF}, booktitle = {Encontro Nacional de Física da Matéria Condensada} }