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Abstract <p>In this study, we develop a comprehensive mathematical model to explore the dynamics of laser-induced breakdown in water-like media, focusing on the electron multiplication process across a spectrum of laser intensities and wavelengths, ranging from 355 to 1064 nm. Utilizing the Green’s function method, we derived an analytical solution for the primary differential equation governing the temporal evolution of free-electron density. This methodological approach allows for an accurate characterization of the electron multiplication thresholds and precise timing of electrical breakdown under varied laser settings. Our findings demonstrate a robust correlation with data from experimental studies on laser interactions with water-like substances, confirming the model’s predictive accuracy and its utility in enhancing our understanding of the mechanisms governing laser-induced electron dynamics. This research provides valuable insights for optimizing laser applications in similar environments, enhancing both theoretical understanding and practical application of the observed phenomena.</p>

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Theoretical Investigation of Electron Dynamics in Liquid Media under Nanosecond Pulsed Laser Irradiation

  • 期刊论文

  • 发表日期：

    2025年1月1日

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  • H. Delibašić-Marković,
  • V. Petrović,
  • I. Petrović

摘要

Abstract

In this study, we develop a comprehensive mathematical model to explore the dynamics of laser-induced breakdown in water-like media, focusing on the electron multiplication process across a spectrum of laser intensities and wavelengths, ranging from 355 to 1064 nm. Utilizing the Green’s function method, we derived an analytical solution for the primary differential equation governing the temporal evolution of free-electron density. This methodological approach allows for an accurate characterization of the electron multiplication thresholds and precise timing of electrical breakdown under varied laser settings. Our findings demonstrate a robust correlation with data from experimental studies on laser interactions with water-like substances, confirming the model’s predictive accuracy and its utility in enhancing our understanding of the mechanisms governing laser-induced electron dynamics. This research provides valuable insights for optimizing laser applications in similar environments, enhancing both theoretical understanding and practical application of the observed phenomena.