We describe the output performance of the 1415 nm emission in Nd:YAG in a plane-concave cavity under traditional pumping into the ${}^4{F}_{5/2}$ level (808 nm) and direct in-band pumping into the ${}^4{F}_{3/2}$ level (885 nm). An end-pumped Nd:YAG laser yielded maximum cw output power of 6.3 W and 4.2 W at 885 nm and 808 nm laser diode (LD) pumping, respectively. To the best of our knowledge, this is the highest output power of a LD-pumped 1415 nm laser.

© 2012 Optical Society of America

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