most citedVisible and near infra-red up-conversion in Tm3+/Yb3+ co-doped silica fibres under 980 nm excitation

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physics.optics2008★ 1 cited

Visible and near infra-red up-conversion in Tm3+/Yb3+ co-doped silica fibres under 980 nm excitation

David A. Simpson, Keith W. E. Gibbs, Stephen F. Collins +5

The spectroscopic properties of Tm3+/Yb3+ co-doped silica fibers under excitation at 980 nm are reported. Three distinct up-conversion fluorescence bands were observed in the visib…