Optical characterization, 1.5 μm emission and IR-to-visible energy upconversion in Er3-doped fluorotellurite glasses

1. Rodríguez-Mendoza, U.R.
2. Lalla, E.A.
3. Cáceres, J.M.
4. Rivera-López, F.
5. León-Luís, S.F.
6. Lavín, V.