Efficient blue upconversion emission due to confined radiative energy transfer in Tm3+-Nd3+ co-doped Ta2O5 waveguides under infrared-laser excitation
- Lahoz, F.
- Shepherd, D.P.
- Wilkinson, J.S.
- Hassan, M.A.
ISSN: 0030-4018
Year of publication: 2008
Volume: 281
Issue: 14
Pages: 3691-3694
Type: Article