Infrared emission and energy transfer in Tm3+, Tm 3+-Ho3+ and Tm3+-Yb3+-doped tellurite fibre

Billy Richards, Shaoxiong Shen, Animesh Jha, Yuen Tsang, David Binks

    Research output: Contribution to journalArticlepeer-review

    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. © 2007 Optical Society of America.
    Original languageEnglish
    Pages (from-to)6546-6551
    Number of pages5
    JournalOptics Express
    Volume15
    Issue number11
    DOIs
    Publication statusPublished - 28 May 2007

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