Sol–gel-derived planar waveguides of Er.sup.3+./sup.: Yb.sub.3./sub.Al.sub.5./sub.O.sub.12./sub. prepared by a polyvinylpyrrolidone-based method.

HLÁSEK, T., POLÁK, V., RUBEŠOVÁ, K., JAKEŠ, V., NEKVINDOVÁ, P., JANKOVSKÝ, O., MIKOLÁŠOVÁ, D., OSWALD, J. Sol–gel-derived planar waveguides of Er³⁺: Yb₃Al₅O₁₂ prepared by a polyvinylpyrrolidone-based method. Journal of Sol-Gel Science and Technology. 2016, 80(2), 531-537. ISSN 0928-0707. E-ISSN 1573-4846. Available: doi: 10.1007/s10971-016-4098-9