I've hit 52-55% MEASURED conversion to 532 using BBO on a brand new flashlamp pumped Q-switched yag at 10 Hz 7 nSec. KTP in the same system would die a horrible death due to self adsorption. Best I've ever seen on KTP was 60% when pulsed.
Much depends on the cavity design and pulse width, ie the energy density at the crystal. A 800 series KTP 532 doing 35 watts Qswitched will only do less then 10 CW. Simply because the peak power is far lower when the intracavity energy is not bunched together.
Steve
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