Abstract
We describe efficient cw operation of a laser end pumped by two beam-shaped 20-W diode bars on the transition. Fundamental transverse-mode operation with output power of 11.1 W for W of incident pump power was demonstrated. In -switched operation 8.4 W of average power at a pulse repetition frequency of 40 kHz and pulse energy at a pulse repetition frequency of 1 kHz were achieved.
© 1998 Optical Society of America
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