Simple model for laser-produced, mass-limited water-droplet plasmas


Garloff, Kurt and Donker, Michiel van den and Mullen, Joost van der and Goor, Fred van and Brummans, Ralph and Jonkers, Jeroen (2002) Simple model for laser-produced, mass-limited water-droplet plasmas. Physical Review E: Statistical, nonlinear, and soft matter physics, 66 . ISSN 1539-3755

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Abstract:Plasmas, produced by a neodymium yttrium aluminum garnet (Nd:YAG) laser pulse focused on a small water droplet and used for the generation of extreme ultraviolet light, can be described by a relatively simple model due to the fact that thermodynamic equilibrium can be assumed for the most important phase. Only three time-dependent variables¿radius, expansion speed, and internal energy¿are needed to describe the physics of the plasma. Nevertheless, it predicts quantities such as the size and the spectrum rather well. It is expected that the theory and the model presented here can also be applied to other laser-produced plasmas.
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Copyright: ©2002 The American Physical Society
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