Vacuum-ultraviolet to infrared supercontinuum in hydrogen-filled photonic crystal fiber
Optica, Vol. 2, Issue 4, pp. 292-300 (2015)
doi: 10.1364/OPTICA.2.000292
A nice demonstration of ultra-broadband supercontinuum generation, right down into the VUV range for the first time, based around a kagomé fibre.