Abstract
Periodically poled flux grown KTi0P04 has been used for extracavity Nd:YAG laser frequency doubling. More than 65% frequency doubling efficiency has been achieved with a Q-switched laser. 1.34 W second harmonic average power has been generated from 2.2 W of mode-locked laser output. The conversion efficiency is about two times higher for periodically poled KTP than for conventional type-II KTP.
© 1998 Optical Society of America
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