Abstract

A diode stack end-pumped $\mathrm{Nd}:\mathrm{Y}\mathrm{V}{\mathrm{O}}_4$ slab laser at $1342\mathrm{nm}$ with near-diffraction-limited beam quality by using a hybrid resonator was presented. At a pump power of $139.5\mathrm{W}$, laser power of $35.4\mathrm{W}$ was obtained with a conversion efficiency of 25.4% of the laser diode to laser output. The beam quality ${\mathit{M}}^2$ factors were measured to be 1.2 in the unstable direction and 1.3 in the stable direction at the output power of $29\mathrm{W}$.

© 2009 Optical Society of America

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