This paper reports the continuous wave (CW)
and Q-switched operation of a diode pumped KGd (WO 4 ):
Nd (Nd:KGW) slab laser with a corner pumped geometry
at the wavelength of 1067 nm. With an optical conversion
efficiency of 38% and 34%, average powers of 23 and 20
W in CW and Q-switched modes were achieved respec-
tively. The maximum pulse energy of 27 mJ was observed
with a repetition rate of 840 Hz.

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• Laser diode corner pumped Nd:KGW slab laser