We report room-temperature upconversion-pumped continuous-wave laser emission of Yb(5%), Er(l%):YLiF4 at 1.234 pm excited by a Ti:sapphire laser and laser diodes at 960 and 968 nm, respectively. An output power of up to 160 mW was obtained with an output coupling of 1%. In a first intracavity frequency doubling experiment an output power of 2 mW at 617 nm could be obtained.

© 1996 Optical Society of America

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