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Optical spectroscopy of neodymium-doped tantalum pentoxide slab waveguides

Abstract

Neodymium doped tantalum pentoxide (Nd:Ta2O5) waveguides were fabricated by RF sputtering from a Nd doped Ta2O5 target. Waveguide losses, absorption spectra, fluorescence spectra and excited-state lifetime were measured, and show promise for realisation of waveguide lasers

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