Experimental demonstrations of two edge-pumped zigzag slab lasers are prese
nted. The Nd:YAG slab laser generated 127 W of multimode output power with
300 W of pump power. Preliminary results with a Yb:YAG slab produced 46 W o
f output power with 315 W of pump power. The edge-pumped slab design permit
s symmetric conduction cooling and efficient pump absorption and accepts la
rge-numerical-aperture pump sources. (C) 2001 Optical Society of America.