Media 5: Coulomb focusing in resonant production of super-ponderomotive photo-electrons from helium H.G. Muller 10.1364/OE.8.000086.m005 https://opticapublishing.figshare.com/articles/media/Media_5_Coulomb_focusing_in_resonant_production_of_super-ponderomotive_photo-electrons_from_helium/4953086 Originally published in Optics Express on 15 January 2001 (oe-8-2-86) 2001-01-15 00:00:00 Optics Express Coulomb media oe 15 January 2001 super-ponderomotive photo-electrons