Abstract

A high optical quality erbium-doped LuYAG single crystal has been grown by the Czochralski technique. The segregation coefficient of Er3+ was measured to be 1.05. The absorption and emission spectra were measured at room temperature. The spectroscopic parameters were calculated using the Judd–Ofelt (J-O) theory, and the J-O parameters Ωt (t=2, 4, 6) were found to be 0.89×1020, 1.64×1020, 1.23×1020cm2, respectively. The emission cross section of the Er3+ I13/24I15/24 transition were calculated by the Fuchtbauer–Ladenburg formula, and the room-temperature fluorescence lifetime of the Er3+ I13/24I15/24 transition was measured to be 9.9ms. Finally, promising laser performance with Er:Yb fiber laser pumping is described.

© 2011 Optical Society of America

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