Strongly anisotropic ion emission in the expansion of Nd:YAG-laser-produced plasma

Lucas Poirier, Diko J. Hemminga, Adam Lassise, Luc Assink, Ronnie Hoekstra, John Sheil, Oscar O. Versolato*

*Corresponding author for this work

Research output: Contribution to journalArticleAcademicpeer-review

10 Citations (Scopus)
49 Downloads (Pure)

Abstract

We present results from a combined experimental and numerical simulation study of the anisotropy of the expansion of a laser-produced plasma into vacuum. Plasma is generated by nanosecond Nd:YAG laser pulse impact (laser wavelength 𝜆=1.064μm
) onto tin microdroplets. Simultaneous measurements of ion kinetic energy distributions at seven angles with respect to the direction of the laser beam reveal strong anisotropic emission characteristics, in close agreement with the predictions of two-dimensional radiation-hydrodynamic simulations. Angle-resolved ion spectral measurements are further shown to provide an accurate prediction of the plasma propulsion of the laser-impacted droplet.
Original languageEnglish
Article number123102
Number of pages11
JournalPhysics of plasmas
Volume29
Issue number12
DOIs
Publication statusPublished - 1-Dec-2022

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