Spectroscopy of Ce-codoped Er : BaY2F8 single-crystals

Year: 2006

Authors: Sani E., Toncelli A., Tonelli M.

Autors Affiliation: NEST-Dipartimento di Fisica, Universita` di Pisa, Largo Pontecorvo, 3, 56127 Pisa, Italy

Abstract: To study the fruitful effect of Cc codoping in Er:BaY2F8 for laser operation at around 1.5 mu m, we present the spectroscopic characterization of several Er-Ce codoped crystals as a function of Cc doping level. We show that the Cc presence triggers some cross-relaxation mechanisms from energy levels higher than I-4(13/2) that strongly help the population inversion efficiency for the 1.5 mu m emission, without greatly affecting the I-4(13/2) level lifetime. This result may be interesting from the point of view of obtaining a low-threshold infrared laser. (c) 2006 Elsevier B.V. All rights reserved.

Journal/Review: OPTICAL MATERIALS

Volume: 28 (11)      Pages from: 1317  to: 1320

KeyWords: Cerium; Laser applications; Light emission; Relaxation processes; Spectroscopic analysis, BaY2F8; Ce3+; Er3+; Infrared lasers, Single crystals
DOI: 10.1016/j.optmat.2006.01.028

Citations: 11
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