@inproceedings{inproceedingsb282c0cc, title = {Study of 2.8 'MU'm transition of 'Er POT.3+' in fluoride glasses}, author = {Sousa, D F de and Zonetti, L F C and Bell, Maria José Valenzuela and Lebullenger, Ronan M and Hernandes, Antônio Carlos and Nunes, Luiz Antônio de Oliveira}, year = {1997}, booktitle = {Symposium on Lasers and their Applications} }