Infrared to visible upconversion of Er3+ and Er 3+/Yb3+ codoped lead-niobium-germanate glasses
- Balda, R.
- Fernández, J.
- Arriandiaga, M.A.
- Fdez-Navarro, J.M.
ISSN: 0925-3467
Year of publication: 2004
Volume: 25
Issue: 2
Pages: 157-163
Type: Conference paper