Erratum: Femtosecond nonlinear optical properties of tellurite glasses (Applied Physics Letters (2006) 89 (171917)) - Souza, Roǵrio F.; Alencar, Márcio A. R. C.; Hickmann, Jandir M.; Kobayashi, Renata; Kassab, Luciana R. P. [UNESP] (AIP Publishing, 2007)