Abstract
In past investigations on the interaction of laser and optical films, research was not widely performed on the process after the burst of the films’ material. Based on a centrosymmetric burst model of a plasma droplet, combined with ionization and absorption, the conditions that the ejected droplet’s thermodynamic parameters change with time have been investigated. When the burst starting time is appropriate, research has shown that the droplets’ parameters, such as expansion velocity and acceleration, cracking velocity and acceleration, temperature, and radius will reach their maximums. An earlier or later time does not increase the intensity of the droplet’s burst. This conclusion has great significance in investigations of laser-induced films damage.
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