Ageing of PVP/LiNbO.sub.3./sub. solutions and its impact on the optical properties of Er.sup.3+./sup./Yb.sup.3+./sup.:LiNbO.sub.3./sub. waveguiding films

Rubešová, K., Mikolášová, D., Hlásek, T., Jakeš, V., Nekvindová, P., Matějka, P., Dendisová, M., Cílová, Z., Oswald, J. Ageing of PVP/LiNbO₃ solutions and its impact on the optical properties of Er³⁺/Yb³⁺:LiNbO₃ waveguiding films. Journal of Physics and Chemistry of Solids. 2017, 111(Dec), 343-348. ISSN 0022-3697. E-ISSN 1879-2553. Available: doi: 10.1016/j.jpcs.2017.08.016.