Enhanced broadband near-infrared luminescence from Ni in Bi/Ni-doped transparent glass ceramics

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Abstract

Spectral properties of Bi/Ni-doped transparent MgO-Al2O 3-Ga2O3-SiO2-TiO2 glass ceramics (GCs) containing spinel solution nanocrystals were investigated. The emission intensity of Ni in Bi/Ni-doped GCs was about 4 times stronger than that of Ni-doped GCs due to energy transfer from Bi to Ni. The Bi/Ni-doped GCs with 0.75 mol% Bi2O3 concentration exhibited a near-infrared emission with full width at half maximum of about 270 nm and a fluorescent lifetime of about 350 μs, making them very promising for applications in broadband optical amplifiers and tunable lasers.

Original languageEnglish
Article number135110
JournalJournal of Physics D: Applied Physics
Volume42
Issue number13
DOIs
StatePublished - 2009
Externally publishedYes

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