Abstract

An erbium-doped transparent glass ceramic, consisting of LaF3 nanocrystallites with a characteristic length of approximately 20nm embedded in an aluminosilicate glass matrix and exhibiting infrared-to-green upconversion, has been studied. The degree of erbium partitioning into the nanocrystallite phase was found using energy transfer coefficients determined from bulk Er3+:LaF3 samples. This transparent glass ceramic sample was found to have a partitioning fraction of 19±5%.

© 2005 Optical Society of America

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