2026-07-072026-07-07http://salesiana.dossiersoluciones.com/handle/123456789/111799A novel approach is used to enhance by nearly two orders of magnitude the conversion efficiency of a 125 nm-coherent source, based on four-wave mixing in room-temperature mercury vapor. Saturation issues are observed and discussed.OpticsEnhanced production of coherent pulsed radiation at 125 nm: the route towards a tabletop VUV lasertext