Abstract

Efficient laser performance is demonstrated with $\mathrm{Nd}:{\mathrm{GdVO}}_4$ crystals grown by the floating zone method. With a 2-at. % Nd-doped crystal a slope efficiency of 67% is achieved with pumping at 808 nm. We also find that pumping at 879 nm with a bandwidth of 1.8 nm is practical for laser diode pumping. With this pumping level the slope efficiency reaches 78%. High-quality $\mathrm{Nd}:{\mathrm{GdVO}}_4$ crystals are successfully grown with as much as 15-at. % Nd concentration by the floating zone method without inclusions or macroscopic defects. Homogeneity and high reproducibility of crystal growth are confirmed.

© 2003 Optical Society of America

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