Optical and Quantum Electronics

, Volume 31, Issue 3, pp 249–262 | Cite as

Measurement of the energy transfer and upconversion constants in Er–Yb-doped phosphate glass

  • S. Taccheo
  • G. Sorbello
  • S. Longhi
  • P. Laporta


A simple method to measure the ytterbium-to-erbium energy transfer and the co-operative upconversion constants in a phosphate laser glass is proposed. The technique is based on the experimental acquisition of the luminescence decay from the Er3+ 4I13/2 metastable level at 1.5μm as a function of time and on a suitable fit of the experimental data. The fitting procedure relies on a simplified model of the Er–Yb system and makes use of a numerical solution of the rate equations to describe the dynamics of the populations, showing considerable sensitivity to the fitting parameters. The results obtained are in fairly good agreement with previous data reported in the literature.


Phosphate Experimental Data Energy Transfer Communication Network Rate Equation 
These keywords were added by machine and not by the authors. This process is experimental and the keywords may be updated as the learning algorithm improves.


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Copyright information

© Kluwer Academic Publishers 1999

Authors and Affiliations

  • S. Taccheo
    • 1
  • G. Sorbello
    • 1
  • S. Longhi
    • 1
  • P. Laporta
    • 1
  1. 1.I.N.F.M.Dipartimento di Fisica del Politecnico di Milano and CEQSE-CNRMilanoItaly

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