Enhanced frequency upconversion in Er3+ doped fluoroindate glass due to energy transfer from Tm3+

W. Lozano B, Cid B. De Araújo, Y. Messaddeq

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Abstract

Energy transfer processes between Er3+ and Tm3+ were investigated examining the frequency upconversion emissions in a fluoroindate glass pumped at 790 nm. A 60-fold enhancement in the emission at ≈670 nm originating from Er3+ was observed when Tm3+ at concentration of 2% was introduced in a sample containing 2% of Er3+. The results are explained considering the influence of cross-relaxation processes between the active ions.

Original languageEnglish
Pages (from-to)318-322
Number of pages5
JournalJournal of Non-Crystalline Solids
Volume311
Issue number3
DOIs
StatePublished - Dec 2002

Bibliographical note

Funding Information:
This work was supported by the Brazilian Conselho Nacional de Desenvolvimento Cientı́fico e Tecnológico (CNPq) and Programa de Núcleos de Excelência (PRONEX). We also thank G.S. Maciel and N. Rakov for discussions and B.J.P. da Silva for polishing the samples.

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