Solar pumping converts broadband sunlight into efficient laser light

https://www.laserfocusworld.com/lasers-sources/article/14283698/solar-pumping-converts-broadband-sunlight-into-efficient-laser-light

"NOVA heliostat-parabolic mirror... large plane mirror with two flat segments mounted onto a two-axis heliostat.. 93.5% reflectivity and redirects incoming solar radiation toward stationary parabolic mirror with 1.5 m diameter, 60° rim angle, and 660 mm focal length. The parabolic mirror’s back surface silver eflectivity 80%... laser head component fused silica aspheric lens and three 2.5-mm-diameter, 25-mm-length Ce:Nd:YAG rods mounted within single conical pump cavity"