TITLE

Surface-plasmon-enhanced frequency upconversion in Pr3+ doped tellurium-oxide glasses containing silver nanoparticles

AUTHOR(S)
Rai, Vineet Kumar; Menezes, Leonardo de S.; de Araújo, Cid B.; Kassab, Luciana R. P.; da Silva, Davinson M.; Kobayashi, Renata A.
PUB. DATE
May 2008
SOURCE
Journal of Applied Physics;May2008, Vol. 103 Issue 9, p093526
SOURCE TYPE
Academic Journal
DOC. TYPE
Article
ABSTRACT
A frequency upconversion process in Pr3+ doped TeO2–ZnO glasses containing silver nanoparticles is studied under excitation with a nanosecond laser operating at 590 nm, in resonance with the 3H4→1D2 transition. The excited Pr3+ ions exchange energy in the presence of the nanoparticles, originating efficient conversion from orange to blue. The enhancement in the intensity of the luminescence at ∼482 nm, corresponding to the 3P0→3H4 transition, is due to the influence of the large local field on the Pr3+ ions, which are located near the metallic nanoparticles.
ACCESSION #
32078902

 

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