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Down-conversion process in Tb3+–Yb3+ co-doped Calibo glasses

✍ Scribed by I.A.A. Terra; L.J. Borrero-González; T.R. Figueredo; J.M.P. Almeida; A.C. Hernandes; L.A.O. Nunes; O.L. Malta

Book ID
113721118
Publisher
Elsevier Science
Year
2012
Tongue
English
Weight
730 KB
Volume
132
Category
Article
ISSN
0022-2313

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Yb 3+ -Tb 3+ and Yb 3+ -Tm 3+ -Tb 3+ doped fluoro-germanate glass samples were fabricated in bulk and fibre form. Bright up-conversion has been obtained by exciting the samples with a 975 nm laser source, and the power dependence of the up-conversion intensities with respect to the excitation power