Infrared emission and energy transfer in Tm3+, Tm3+-Ho3+and Tm3+-Yb3+-doped tellurite fibre

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Abstract

The infrared emission spectra and decay lifetimes of Tm3+-doped and Tm3+-Ho3+, Tm3+-Yb3+co-doped tellurite fibres were measured using 808 nm and 978 nm diode laser pump sources in the range 1.35 μm to 2.2 μm. The spectra were compared with varying fibre lengths and core diameters. Tm3+-doped fibre shows strong emission at ∼1.8 μm and when co-doped with Ho3+, energy transfer results in strong Ho3+fluorescence at ∼2.0 μm. These fibres show promise for compact mid-IR fibre laser sources.
Original languageEnglish
Pages (from-to)6546-6551
Number of pages6
JournalOptics Express
Volume15
Issue number11
DOIs
Publication statusPublished - 28 May 2007
Externally publishedYes

ASJC Scopus subject areas

  • Atomic and Molecular Physics, and Optics

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