飞秒激光加热引起相变过程的研究进展

A Critical Review of Phase Transition Induced by Femtosecond Laser Heating

飞秒激光因其在烧蚀固体材料时的独特机制,具有高精度高微结构的能力,表现出广阔的工程应用前景,因此近年来关于飞秒激光的研究受到广泛关注。报道了近年来飞秒激光的实验测定方法,综述了用于研究由激光加热引起的微尺度热传导的几种数值模型和方法,着重描述了分子动力学数值模拟方法,分析总结了现有的烧蚀机制,并展望了其发展前景。

Femtosecond laser has become a powerful tool in the manufacture of high-precision micro-structured materials due to the special ablation mechanisms of materials. Nowadays the heat transfer induced by the femtosecond laser has attracted more and more attention. The experimental and numerical work in this area is reviewed, focusing on the molecular dynamics （MD） simulation and the typical simulation results. Furthermore, the existing ablation mechanisms are summarized. Finally, the future work in this area is prospected.