Abstract

As much as 3 W of average power at 1064 nm from a diode-pumped Nd:YAG laser, Q switched at 4 kHz, was used to pump an external-resonator, crystalline BaNO32 Raman laser generating a maximum of 1.3-W output at the first Stokes wavelength of 1197 nm. The slope efficiency was 63% with respect to the fundamental power incident on the BaNO32 crystal. A reduction in the beam quality of the Stokes output from M21.4 at lower Stokes powers to M23.4 at higher powers is attributed to thermal loading of the Raman-active crystal.

© 2003 Optical Society of America

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