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Simulation Reveals Ablation Mechanisms

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Gary Boas

To better understand laser ablation, researchers at the University of Montreal have developed a novel method to simulate thermodynamic trajectories of groups of atoms in a solid. The behavior of the atoms reveals the instabilities that result in the ejection of material and, the researchers suggest, the ablation mechanisms for atoms at different absorbed energy densities. A model of the ablation of solids by femtosecond laser pulses suggests that the process involves three mechanisms dependent on the deposited energy. The topology of the target at early (left) and later (right) stages of...Read full article

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    Published: February 2003
    Glossary
    laser ablation
    Laser ablation is a process that involves the removal or erosion of material from a target surface using laser energy. This technique is widely used in various scientific, industrial, and medical applications. The intense energy from the laser beam interacts with the material, causing it to undergo physical and chemical changes, ultimately leading to its removal. Key features of laser ablation include: Laser energy: A high-energy laser beam is directed onto the surface of a material. The...
    atomsenergy densitieslaser ablationpulsed lasersResearch & Technologythermodynamic trajectoriesLasers

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