Yb3+, Tm3+ and Ho3+ triply-doped tellurite core-cladding optical fiber for white light generation
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2011-12-01
Autores
Manzani, D. [UNESP]
Ledemi, Y. [UNESP]
Skripachev, I. [UNESP]
Messaddeq, Younes [UNESP]
Ribeiro, Sidney José Lima [UNESP]
de Oliveira, R. E. P.
de Matos, C. J. S.
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Optical Soc Amer
Resumo
Tellurite glass is proposed as a host for Yb3+, Tm3+ and Ho3+ triply doped optical fiber and, in this work, a new multimode optical fiber with triply-doped core was fabricated. We report results on the processing and characterization of tellurite-based glass preforms and fibers. Cr3+ was used as tracer to assess core quality and uniformity across 60 mm length preform. By Raman fluorescence of Tm3+ ions contained into the core, we also mapped the interface between core and cladding that reveals an interface around 45 mu m for a 10.11 mm of preform. For triply-doped core fiber excited at 980 nm, we generated white light radiation. The chromaticity diagram showed the multicolor emission and the color tunability of the triply-doped core optical fiber. (C) 2011 Optical Society of America
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Optical Materials Express. Washington: Optical Soc Amer, v. 1, n. 8, p. 1515-1526, 2011.