Shining a short, intense laser pulse on micrometer-sized droplets of liquid metal creates a plasma that is a bright source of extreme ultraviolet (EUV) light. The authors study in detail the propulsion and deformation of such droplets due to a laser ``kick'', and unveil the underlying mechanisms and scaling laws. Optimizing EUV plasma sources for next-generation nanolithography requires a deep understanding of both droplet-laser coupling and droplet fluid-dynamical response, which this work provides.
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Kurilovich et al. (2016) studied this question.
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