2012•Unpublished venueRequires access

Absolute Upconversion Quantum Yield of β-NaYF4:Er3+ under Broadband Excitation in Dependence on the Erbium Concentration – Measurements and Simulations

Benjamin Fröhlich, Stefan Fischer, Heiko Steinkemper, Karl W. Krämer, Jan Christoph Goldschmidt

Abstract

We investigate the upconversion quantum yield of β-NaYF4:Er3+ under broadband excitation both experimentally and theoretically. The upconversion quantum yield strongly depends on the erbium concentration, and shows a maximum for an erbium concentration of 25%.

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Key concepts: Photon upconversion, Erbium, Quantum yield, Excitation, Yield (engineering), Materials science, Quantum, Broadband