15 kW near-diffraction-limited single-frequency Nd:YAG laser

Abstract

Northrop Grumman has developed a compact high power near-diffraction-limited single frequency Nd:YAG laser. The laser achieved 15 kW with a beam quality of <1.3 times DL and a continuous runtime over 22 minutes on a ~1 m <sup xmlns:mml="http://www.w3.org/1998/Math/MathML" xmlns:xlink="http://www.w3.org/1999/xlink">2</sup> bench.