Abstract

We demonstrate a compact, efficient Nd:YVO4 stable–unstable hybrid slab oscillator that was partially end pumped at 880nm. A maximum output power of 165W at 1064nm was obtained with an optical-to-optical efficiency from absorbed pump power to laser output of up to 60% and a slope efficiency of up to 66%. The beam propagation factors M2 were 1.7 in the stable direction and 1.4 in the unstable direction without sidelobes.

© 2008 Optical Society of America

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