@inproceedings{inproceedingsa5f86704, title = {Nonlinear refractive index measurements of 'Yb POT. 3+' doped glasses under resonant excitation}, author = {Messias, Djalmir Nestor and Jacinto, Carlos and Catunda, Tomaz and Olaizola, Aristides Marcano}, year = {2005}, publisher = {Sociedade Brasileira de Física-SBF}, booktitle = {Encontro Nacional de Física da Matéria Condensada - ENFMC} }