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Fluorescence line Narrowing Spectroscopy of Germanate Glasses Doped with Eu3+

Published online by Cambridge University Press:  10 February 2011

R. Rolli
Affiliation:
Dip. di Fisica “A. Volta”, Università di Pavia and INFM, via Bassi 6, 27100 Pavia, Italy
G. Samoggia
Affiliation:
Dip. di Fisica “A. Volta”, Università di Pavia and INFM, via Bassi 6, 27100 Pavia, Italy
A. Speghini
Affiliation:
Dip. Scientifico e Tecnologico, Università di Verona, Strada Le Grazie, 37134 Verona, Italy
M. Bettinelli
Affiliation:
Dip. Scientifico e Tecnologico, Università di Verona, Strada Le Grazie, 37134 Verona, Italy
M. Montagna
Affiliation:
INFM, Dip. Fisica, Università di Trento, via Sommarive 14, 38050 Povo-Trento, Italy
M. Ferrari
Affiliation:
CNR-CeFSA, Centro Fisica Stati Aggregati, via Sommarive 14, 38050 Povo-Trento, Italy
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Abstract

In the present paper we report on time-resolved resonant and non-resonant fluorescence line narrowing measurements on a lead germanate glass doped with Eu3+. Site-selective decay curves were measured at low temperature. The results show that energy transfer processes between Eu3+, ions in different sites are not efficient at the doping level under investigation (I mol% Eu2O3). The homogeneous linewidth of the 5D0→47F0transition was measured at room temperature as a function of the excitation energy within the inhomogeneous profile. The linear dependence of the homogeneous linewidth on the excitation energy is discussed.

Type
Research Article
Copyright
Copyright © Materials Research Society 1999

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References

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