Record nonlinear conversion efficiency in the production of high spectral purity vacuum ultraviolet laser at 148 nm

Sergey Vasilyev, Tian Ooi, Igor Moskalev +14

Coherent vacuum-ultraviolet (VUV) lasers are indispensable for precision measurement, quantum optics, and materials science. Recent high-resolution spectroscopy of the Th-229 nucle…