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Conferences > LAOP > 2016 > LTh3A > LTh3A.2

Multiphoton absorption and anti-Stokes luminescence in terbium doped yttrium oxyorthosilicate powders

Simone A. Vieira, Igor P. Miranda, Nikifor Rakov, Cid B. de Araújo, and Edilson L. Falcão-Filho

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Abstract

Frequency upconversion photoluminescence was investigated in Tb3+:Y2SiO5 powders when excited by ultrashort laser pulses at 1800 and 2000 nm. Four- and five-photons absorption processes were the origin of the anti-Stokes green-orange photoluminescence observed.

© 2016 Optical Society of America

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