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Type: Artigo
Title: Erbium and ytterbium codoped titanoniobophosphate glasses for ion-exchange-based planar waveguides
Author: Bozelli, José Carlos
Nunes, Luiz Antonio de Oliveira
Sigoli, Fernando Aparecido
Mazali, Italo Odone
Abstract: This work presents the optical properties of erbium‐doped and erbium/ytterbium codoped Na2O–Al2O3–TiO2–Nb2O5–P2O5 glass systems and also the characterization of planar waveguides obtained by typical thermally assisted Ag+↔Na+ ion‐exchange process. The glass systems allow the preparation of single mode and multimode planar waveguides presenting a strong and relatively broad emission at 1536 nm. The emission signal in the infrared region is intensified for silver‐containing samples when compared with free‐silver samples. The emission signal intensification may be attributed to a nonplasmonic energy transfer from silver species to Er3+ ions as no bands related to surface plasmon resonance (SPR) of silver nanoparticles were observed
Subject: Vidro
Country: Estados Unidos
Editor: American Ceramic Society
Rights: Fechado
Identifier DOI: 10.1111/j.1551-2916.2010.03768.x
Date Issue: 2010
Appears in Collections:IQ - Artigos e Outros Documentos

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