Abstract

We report herein the enhancement of output power and optical efficiency of a quasi-three-level Nd:YVO4 laser through a double-end polarized pumping scheme, which improves the usually insufficient pump absorption of the short laser gain medium with low doping concentration, and meanwhile alleviates the influence of thermal effect. 17.7 W laser output at 914 nm is obtained under the launched 808-nm pump of 53.0 W, corresponding to an optical efficiency of 33.4%.

© 2016 Optical Society of America

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