Applied Physics B

, Volume 94, Issue 2, pp 239–242

Energy transfer and frequency upconversion in Yb3+–Er3+-doped PbO-GeO2 glass containing silver nanoparticles

  • L. R. P. Kassab
  • F. A. Bomfim
  • J. R. Martinelli
  • N. U. Wetter
  • J. J. Neto
  • Cid B. de Araújo
Article

DOI: 10.1007/s00340-008-3249-2

Cite this article as:
Kassab, L.R.P., Bomfim, F.A., Martinelli, J.R. et al. Appl. Phys. B (2009) 94: 239. doi:10.1007/s00340-008-3249-2

Abstract

We report the infrared-to-visible frequency upconversion in Er3+–Yb3+-codoped PbO-GeO2 glass containing silver nanoparticles (NPs). The optical excitation is made with a laser at 980 nm in resonance with the 2F5/22F7/2 transition of Yb3+ ions. Intense emission bands centered at 525, 550, and 662 nm were observed corresponding to Er3+ transitions. The simultaneous influence of the Yb3+→Er3+ energy transfer and the contribution of the intensified local field effect due to the silver NPs give origin to the enhancement of the whole frequency upconversion spectra.

PACS

42.70.Ce78.55.-m78.55.Qr78.90.+t81.05.Pj

Copyright information

© Springer-Verlag 2008

Authors and Affiliations

  • L. R. P. Kassab
    • 1
  • F. A. Bomfim
    • 2
  • J. R. Martinelli
    • 2
  • N. U. Wetter
    • 3
  • J. J. Neto
    • 3
  • Cid B. de Araújo
    • 4
  1. 1.Laboratório de Vidros e Datações da FATEC-SPCEETEPS/UNESPSão PauloBrazil
  2. 2.Centro de Ciências e Tecnologia de Materiais—IPENSão PauloBrazil
  3. 3.Centro de Lasers e Aplicações—IPENSão PauloBrazil
  4. 4.Departamento de FísicaUniversidade Federal de PernambucoRecifeBrazil