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飞秒激光抽运探测在超快磁动力学的研究中有十分广泛的应用。当前在超快磁动力学的研究中,根据抽运光对样品激发方式的不同,主要分为两类:(1)光激发下的磁动力学;(2)磁场激发下的磁动力学。介绍了这两种激发模式下的磁动力学的最新研究进展,并对未来的研究方向进行了展望。
Femtosecond laser pumping detection in ultrafast magnetic dynamics has a very wide range of applications. At present, in the research of ultrafast magnetodynamics, there are mainly two types of pumping modes based on the different excitation modes of pumping light: (1) the magneto-dynamics under light excitation; (2) the magnetic dynamics under the excitation of magnetic field. The latest research advances of the two kinds of excitation modes are introduced, and the future research directions are also prospected.