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Laser-induced periodic surface structures, modeling, experiments and applications

机译：激光诱导的周期性表面结构，建模，实验和应用

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摘要

Laser-induced periodic surface structures (LIPSSs) consist of regular wavy surface structures, or ripples, with amplitudes and periodicity in the sub-micrometer range. A summary of experimentally observed LIPSSs is presented, as well as our model explaining their possible origin. Linearly polarized continuous wave (cw) or pulsed laser light, at normal incidence, can produce LIPSSs with a periodicity close to the laser wavelength, and direction orthogonal to the polarization on the surface of the material. Ripples with a periodicity (much) smaller than the laser wavelength develop when applying laser pulses with ultra-short durations in the femtosecond and picosecond regime. The direction of these ripples is either parallel or orthogonal to the polarization direction. Finally, when applying numerous pulses, structures with periodicity larger than the laser wavelength can form, which are referred to as "grooves". The physical origin of LIPSSs is still under debate. The strong correlation of the ripple periodicity to the laser wavelength, suggests that their formation can be explained by an electromagnetic approach. Recent results from a numerical electromagnetic model, predicting the spatially modulated absorbed laser energy, are discussed. This model can explain the origin of several characteristics of LIPSSs. Finally, applications of LIPSSs will be discussed.
机译：激光诱导的周期性表面结构（LIPSS）由规则的波浪形表面结构或波纹组成，其幅度和周期性在亚微米范围内。介绍了实验观察到的LIPSS的摘要，以及我们的模型解释了它们的可能起源。垂直入射的线性偏振连续波（cw）或脉冲激光可以产生LIPSSs，其周期性接近激光波长，并且正交于材料表面的偏振方向。当在飞秒和皮秒状态下施加具有超短持续时间的激光脉冲时，会产生比激光波长小的周期性（大大）的波纹。这些纹波的方向与偏振方向平行或正交。最后，当施加多个脉冲时，可以形成周期性大于激光波长的结构，这些结构称为“凹槽”。 LIPSS的物理起源仍在争论中。脉动周期与激光波长的强相关性表明，可以通过电磁方法解释其形成。讨论了数值电磁模型的最新结果，该模型预测了空间调制吸收的激光能量。该模型可以解释LIPSS的几个特征的起源。最后，将讨论LIPSS的应用。

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  • 来源
    《Laser-based micro- and nanoprocessing VIII》|2014年|89680D.1-89680D.10|共10页
  • 会议地点 San Francisco CA(US)
  • 作者

    G.R.B.E. Roemer; J.Z.P. Skolski; J. Vincenc Obona; V. Ocelik; J.T.M. de Hosson; A.J. Huis in t Veld;

  • 作者单位

    University of Twente, Faculty of Engineering Technology, Applied Laser Technology, Drienerlolaan 5, 7522 NB Enschede, The Netherlands;

    University of Twente, Faculty of Engineering Technology, Applied Laser Technology, Drienerlolaan 5, 7522 NB Enschede, The Netherlands,Materials innovation institute M2i, University of Twente, Faculty of Engineering Technology, Applied Laser Technology, Drienerlolaan 5, 7522 NB Enschede, The Netherlands;

    University of Twente, Faculty of Engineering Technology, Applied Laser Technology, Drienerlolaan 5, 7522 NB Enschede, The Netherlands,Materials innovation institute M2i, University of Twente, Faculty of Engineering Technology, Applied Laser Technology, Drienerlolaan 5, 7522 NB Enschede, The Netherlands;

    Materials innovation institute M2i, University of Groningen, Department of Applied Physics, Nijenborgh 4, 9747 AG Groningen, The Netherlands;

    Materials innovation institute M2i, University of Groningen, Department of Applied Physics, Nijenborgh 4, 9747 AG Groningen, The Netherlands;

    University of Twente, Faculty of Engineering Technology, Applied Laser Technology, Drienerlolaan 5, 7522 NB Enschede, The Netherlands;

  • 会议组织
  • 原文格式 PDF
  • 正文语种 eng
  • 中图分类
  • 关键词

    Laser-induced periodic surface structures; LIPSS; ripples; model; applications;

    机译：激光诱导的周期性表面结构； LIPSS；涟漪模型;应用领域;

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