We report a 4-W, 2810-nm, diode-pumped, cw Er:YLF laser, to the best of our knowledge the highest power yet achieved for a cw Er-doped laser operating on the 4I11/2 - 4I13/2 transition. We tuned the laser on 11 different lines in the 2720-2840-nm region.

© 2003 Optical Society of America

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