Chunlei Yu~*,Dongbing He,Guonian Wang Junjie Zhang,, Lili Hu Key Laboratory of Material Science , Technology for High Power Lasers,Shanghai Institute of Optics , Fine Mechanics,Chinese Academy of Sciences,Shanghai 201800,China
Abstract:
Optically transparent Er~(3+)/Tm~(3+)/Yb~(3+) tri-doped oxyfluoride tellurite based nano-crystallized glass ceramics with the batching composition of 73TeO_2-15ZnO-7ZnF_2-3YF3-1.5YbF3-0.3ErF3-0.2TmF_3(mol%) is prepared by a conventional melting quenching and the subsequent heat treatment processes.The sizes of grown nano-crystals in glass matrix appear to be smaller than 100 nm from the scanning electron microscope measurement.Visible up-conversion luminescence of the as melted glass and glass ceramics is i...