Preparation of amorphous films from tungsten tellurite glasses by radio-frequency magnetron sputtering of an oxide target

Using radio-frequency magnetron sputtering, it is demonstrated that amorphous films based on a tungsten tellurite glass can be deposited on different substrates (such as opal, sapphire, fused silica, Corning glass 1737, and tellurite glass). The effect of heat treatment on the intensity of photoluminescence of the films based on the 70TeO(2) - 30WO(3) (Mol %) glass doped with R2O3 (where R is a rare-earth element) at a content over and above 100% is investigated.