Abstract

We report a high-efficiency diode-end-pumped polycrystalline Yb:Y2O3 ceramic laser. Pumped by a 976nm laser diode bar and with an absorbed pump power of 2.8W, cw output power of 1.74W at 1078nm, and 0.73W at 1040nm were obtained. The slope efficiency was measured to be 82.4% for the 1078nm laser emission and 57.1% for the 1040nm laser emission.

© 2007 Optical Society of America

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