Abstract

We report for the first time (to our knowledge) a diode-pumped Nd:YAG laser emitting at 869nm based on the F3/24I9/24 transition, generally used for a 946nm emission. Power of 453mW at 869nm has been achieved in cw operation with a fiber-coupled laser diode emitting 35.4W at 809nm. Intracavity second-harmonic generation in the cw mode has also been demonstrated with power of 118mW at 435nm by using a BiB3O6 nonlinear crystal. In our experiment, we used a LiNbO3 crystal lens to complement the thermal lens of the laser rod, and we obtained good beam quality and high output power stability.

© 2010 Optical Society of America

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