Efficiency of dopant-induced ignition of helium nanoplasmas

Efficiency of dopant-induced ignition of helium nanoplasmas

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Helium nanodroplets irradiated by intense near-infrared laser BIO COENZ P5P B6 pulses ignite and form highly ionized nanoplasmas even at laser intensities where helium is not directly ionized by the optical field, provided the droplets contain a few dopant atoms.We present a combined theoretical and experimental study of the He nanoplasma ignition dynamics for various dopant Kitchen Linens Sets species.We find that the efficiency of dopants to ignite a nanoplasma in helium droplets strongly varies and mostly depends on (i) the number of free electrons each dopant donates upon ionization, (ii) the pick-up process, and (iii) the hitherto unexplored effect of the dopant location in or on the droplet.