Optical spectroscopy of lanthanide ions in Al2O3-Nb2O5-TeO2 glasses

Zambelli, M.; Speghini, A.; Ingletto, G.; LOCATELLI, CLINIO; Bettinelli, M.; Vetrone, F.; Boyer, J. C.; Capobianco, J. A.

doi:10.1016/S0925-3467(03)00272-6

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New Al2O3–Nb2O5–TeO2 glasses doped with Er3+, Nd3+ and Tm3+ were prepared by conventional melt quenching. The absorption spectra were measured and the Judd–Ofelt parameters were extracted. Luminescence spectra in the near infrared region were measured and the values of the stimulated cross sections σp were evaluated for selected laser transitions. The relatively high values of σp suggest that these materials can be considered as interesting candidates for optical applications. The spectroscopic behaviour of the lanthanide ions appears to be influenced by the amount of Nb2O5 and Al2O3 in the glass hosts.

Titolo:	Optical spectroscopy of lanthanide ions in Al2O3-Nb2O5-TeO2 glasses
Autore/i:	M. Zambelli; A. Speghini; G. Ingletto; LOCATELLI, CLINIO; M. Bettinelli; F. Vetrone; J. C. Boyer; J. A. Capobianco
Autore/i Unibo:	M. Zambelli A. Speghini G. Ingletto LOCATELLI, CLINIO M. Bettinelli F. Vetrone J. C. Boyer J. A. Capobianco mostra contributor esterni nascondi contributor esterni
Anno:	2004
Rivista:	OPTICAL MATERIALS
Digital Object Identifier (DOI):	http://dx.doi.org/10.1016/S0925-3467(03)00272-6
Abstract:	New Al2O3–Nb2O5–TeO2 glasses doped with Er3+, Nd3+ and Tm3+ were prepared by conventional melt quenching. The absorption spectra were measured and the Judd–Ofelt parameters were extracted. Luminescence spectra in the near infrared region were measured and the values of the stimulated cross sections σp were evaluated for selected laser transitions. The relatively high values of σp suggest that these materials can be considered as interesting candidates for optical applications. The spectroscopic behaviour of the lanthanide ions appears to be influenced by the amount of Nb2O5 and Al2O3 in the glass hosts.
Data prodotto definitivo in UGOV:	2005-10-10 13:25:24
Appare nelle tipologie:	1.01 Articolo in rivista

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http://hdl.handle.net/11585/12480

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